diff options
| author | Shigeki Ohtsu <ohtsu@ohtsu.org> | 2018-03-29 16:39:12 +0900 |
|---|---|---|
| committer | Shigeki Ohtsu <ohtsu@ohtsu.org> | 2018-04-10 06:45:42 +0900 |
| commit | 66cb29e64621fdd1aa5e377a395ff107d21a613b (patch) | |
| tree | f05243a51577e04b6f1c4a2f8a6b7b2f05786079 /deps/openssl/openssl/crypto/evp/e_aes.c | |
| parent | 38c97f5dc7ff3fbf83982d0268fc9e93cfc00c7d (diff) | |
| download | android-node-v8-66cb29e64621fdd1aa5e377a395ff107d21a613b.tar.gz android-node-v8-66cb29e64621fdd1aa5e377a395ff107d21a613b.tar.bz2 android-node-v8-66cb29e64621fdd1aa5e377a395ff107d21a613b.zip | |
deps: upgrade openssl sources to 1.1.0h
This updates all sources in deps/openssl/openssl with openssl-1.1.0h.
Fixes: https://github.com/nodejs/node/issues/4270
PR-URL: https://github.com/nodejs/node/pull/19794
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
Diffstat (limited to 'deps/openssl/openssl/crypto/evp/e_aes.c')
| -rw-r--r-- | deps/openssl/openssl/crypto/evp/e_aes.c | 1522 |
1 files changed, 1097 insertions, 425 deletions
diff --git a/deps/openssl/openssl/crypto/evp/e_aes.c b/deps/openssl/openssl/crypto/evp/e_aes.c index ccc626f1d8..3f36d7072d 100644 --- a/deps/openssl/openssl/crypto/evp/e_aes.c +++ b/deps/openssl/openssl/crypto/evp/e_aes.c @@ -1,67 +1,23 @@ -/* ==================================================================== - * Copyright (c) 2001-2018 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== +/* + * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved. * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ #include <openssl/opensslconf.h> -#ifndef OPENSSL_NO_AES #include <openssl/crypto.h> -# include <openssl/evp.h> -# include <openssl/err.h> -# include <string.h> -# include <assert.h> -# include <openssl/aes.h> -# include "evp_locl.h" -# include "modes_lcl.h" -# include <openssl/rand.h> - -# undef EVP_CIPH_FLAG_FIPS -# define EVP_CIPH_FLAG_FIPS 0 +#include <openssl/evp.h> +#include <openssl/err.h> +#include <string.h> +#include <assert.h> +#include <openssl/aes.h> +#include "internal/evp_int.h" +#include "modes_lcl.h" +#include <openssl/rand.h> +#include "evp_locl.h" typedef struct { union { @@ -113,13 +69,38 @@ typedef struct { int tag_set; /* Set if tag is valid */ int len_set; /* Set if message length set */ int L, M; /* L and M parameters from RFC3610 */ + int tls_aad_len; /* TLS AAD length */ CCM128_CONTEXT ccm; ccm128_f str; } EVP_AES_CCM_CTX; -# define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4)) +#ifndef OPENSSL_NO_OCB +typedef struct { + union { + double align; + AES_KEY ks; + } ksenc; /* AES key schedule to use for encryption */ + union { + double align; + AES_KEY ks; + } ksdec; /* AES key schedule to use for decryption */ + int key_set; /* Set if key initialised */ + int iv_set; /* Set if an iv is set */ + OCB128_CONTEXT ocb; + unsigned char *iv; /* Temporary IV store */ + unsigned char tag[16]; + unsigned char data_buf[16]; /* Store partial data blocks */ + unsigned char aad_buf[16]; /* Store partial AAD blocks */ + int data_buf_len; + int aad_buf_len; + int ivlen; /* IV length */ + int taglen; +} EVP_AES_OCB_CTX; +#endif + +#define MAXBITCHUNK ((size_t)1<<(sizeof(size_t)*8-4)) -# ifdef VPAES_ASM +#ifdef VPAES_ASM int vpaes_set_encrypt_key(const unsigned char *userKey, int bits, AES_KEY *key); int vpaes_set_decrypt_key(const unsigned char *userKey, int bits, @@ -134,8 +115,8 @@ void vpaes_cbc_encrypt(const unsigned char *in, unsigned char *out, size_t length, const AES_KEY *key, unsigned char *ivec, int enc); -# endif -# ifdef BSAES_ASM +#endif +#ifdef BSAES_ASM void bsaes_cbc_encrypt(const unsigned char *in, unsigned char *out, size_t length, const AES_KEY *key, unsigned char ivec[16], int enc); @@ -148,54 +129,55 @@ void bsaes_xts_encrypt(const unsigned char *inp, unsigned char *out, void bsaes_xts_decrypt(const unsigned char *inp, unsigned char *out, size_t len, const AES_KEY *key1, const AES_KEY *key2, const unsigned char iv[16]); -# endif -# ifdef AES_CTR_ASM +#endif +#ifdef AES_CTR_ASM void AES_ctr32_encrypt(const unsigned char *in, unsigned char *out, size_t blocks, const AES_KEY *key, const unsigned char ivec[AES_BLOCK_SIZE]); -# endif -# ifdef AES_XTS_ASM -void AES_xts_encrypt(const unsigned char *inp, unsigned char *out, size_t len, +#endif +#ifdef AES_XTS_ASM +void AES_xts_encrypt(const char *inp, char *out, size_t len, const AES_KEY *key1, const AES_KEY *key2, const unsigned char iv[16]); -void AES_xts_decrypt(const unsigned char *inp, unsigned char *out, size_t len, +void AES_xts_decrypt(const char *inp, char *out, size_t len, const AES_KEY *key1, const AES_KEY *key2, const unsigned char iv[16]); -# endif +#endif -# if defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC)) -# include "ppc_arch.h" -# ifdef VPAES_ASM -# define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC) -# endif -# define HWAES_CAPABLE (OPENSSL_ppccap_P & PPC_CRYPTO207) -# define HWAES_set_encrypt_key aes_p8_set_encrypt_key -# define HWAES_set_decrypt_key aes_p8_set_decrypt_key -# define HWAES_encrypt aes_p8_encrypt -# define HWAES_decrypt aes_p8_decrypt -# define HWAES_cbc_encrypt aes_p8_cbc_encrypt -# define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks +#if defined(OPENSSL_CPUID_OBJ) && (defined(__powerpc__) || defined(__ppc__) || defined(_ARCH_PPC)) +# include "ppc_arch.h" +# ifdef VPAES_ASM +# define VPAES_CAPABLE (OPENSSL_ppccap_P & PPC_ALTIVEC) # endif +# define HWAES_CAPABLE (OPENSSL_ppccap_P & PPC_CRYPTO207) +# define HWAES_set_encrypt_key aes_p8_set_encrypt_key +# define HWAES_set_decrypt_key aes_p8_set_decrypt_key +# define HWAES_encrypt aes_p8_encrypt +# define HWAES_decrypt aes_p8_decrypt +# define HWAES_cbc_encrypt aes_p8_cbc_encrypt +# define HWAES_ctr32_encrypt_blocks aes_p8_ctr32_encrypt_blocks +# define HWAES_xts_encrypt aes_p8_xts_encrypt +# define HWAES_xts_decrypt aes_p8_xts_decrypt +#endif -# if defined(AES_ASM) && !defined(I386_ONLY) && ( \ +#if defined(AES_ASM) && !defined(I386_ONLY) && ( \ ((defined(__i386) || defined(__i386__) || \ defined(_M_IX86)) && defined(OPENSSL_IA32_SSE2))|| \ defined(__x86_64) || defined(__x86_64__) || \ - defined(_M_AMD64) || defined(_M_X64) || \ - defined(__INTEL__) ) + defined(_M_AMD64) || defined(_M_X64) ) extern unsigned int OPENSSL_ia32cap_P[]; -# ifdef VPAES_ASM -# define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32))) -# endif -# ifdef BSAES_ASM -# define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32))) -# endif +# ifdef VPAES_ASM +# define VPAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32))) +# endif +# ifdef BSAES_ASM +# define BSAES_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(41-32))) +# endif /* * AES-NI section */ -# define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32))) +# define AESNI_CAPABLE (OPENSSL_ia32cap_P[1]&(1<<(57-32))) int aesni_set_encrypt_key(const unsigned char *userKey, int bits, AES_KEY *key); @@ -246,41 +228,43 @@ void aesni_ccm64_decrypt_blocks(const unsigned char *in, const unsigned char ivec[16], unsigned char cmac[16]); -# if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64) +# if defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64) size_t aesni_gcm_encrypt(const unsigned char *in, unsigned char *out, size_t len, const void *key, unsigned char ivec[16], u64 *Xi); -# define AES_gcm_encrypt aesni_gcm_encrypt +# define AES_gcm_encrypt aesni_gcm_encrypt size_t aesni_gcm_decrypt(const unsigned char *in, unsigned char *out, size_t len, const void *key, unsigned char ivec[16], u64 *Xi); -# define AES_gcm_decrypt aesni_gcm_decrypt +# define AES_gcm_decrypt aesni_gcm_decrypt void gcm_ghash_avx(u64 Xi[2], const u128 Htable[16], const u8 *in, size_t len); -# define AES_GCM_ASM(gctx) (gctx->ctr==aesni_ctr32_encrypt_blocks && \ +# define AES_GCM_ASM(gctx) (gctx->ctr==aesni_ctr32_encrypt_blocks && \ gctx->gcm.ghash==gcm_ghash_avx) -# define AES_GCM_ASM2(gctx) (gctx->gcm.block==(block128_f)aesni_encrypt && \ +# define AES_GCM_ASM2(gctx) (gctx->gcm.block==(block128_f)aesni_encrypt && \ gctx->gcm.ghash==gcm_ghash_avx) -# undef AES_GCM_ASM2 /* minor size optimization */ -# endif +# undef AES_GCM_ASM2 /* minor size optimization */ +# endif static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { int ret, mode; - EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data; + EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx); - mode = ctx->cipher->flags & EVP_CIPH_MODE; + mode = EVP_CIPHER_CTX_mode(ctx); if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE) && !enc) { - ret = aesni_set_decrypt_key(key, ctx->key_len * 8, ctx->cipher_data); + ret = aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &dat->ks.ks); dat->block = (block128_f) aesni_decrypt; dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ? (cbc128_f) aesni_cbc_encrypt : NULL; } else { - ret = aesni_set_encrypt_key(key, ctx->key_len * 8, ctx->cipher_data); + ret = aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &dat->ks.ks); dat->block = (block128_f) aesni_encrypt; if (mode == EVP_CIPH_CBC_MODE) dat->stream.cbc = (cbc128_f) aesni_cbc_encrypt; @@ -301,7 +285,9 @@ static int aesni_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - aesni_cbc_encrypt(in, out, len, ctx->cipher_data, ctx->iv, ctx->encrypt); + aesni_cbc_encrypt(in, out, len, &EVP_C_DATA(EVP_AES_KEY,ctx)->ks.ks, + EVP_CIPHER_CTX_iv_noconst(ctx), + EVP_CIPHER_CTX_encrypting(ctx)); return 1; } @@ -309,44 +295,46 @@ static int aesni_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, static int aesni_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - size_t bl = ctx->cipher->block_size; + size_t bl = EVP_CIPHER_CTX_block_size(ctx); if (len < bl) return 1; - aesni_ecb_encrypt(in, out, len, ctx->cipher_data, ctx->encrypt); + aesni_ecb_encrypt(in, out, len, &EVP_C_DATA(EVP_AES_KEY,ctx)->ks.ks, + EVP_CIPHER_CTX_encrypting(ctx)); return 1; } -# define aesni_ofb_cipher aes_ofb_cipher +# define aesni_ofb_cipher aes_ofb_cipher static int aesni_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); -# define aesni_cfb_cipher aes_cfb_cipher +# define aesni_cfb_cipher aes_cfb_cipher static int aesni_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); -# define aesni_cfb8_cipher aes_cfb8_cipher +# define aesni_cfb8_cipher aes_cfb8_cipher static int aesni_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); -# define aesni_cfb1_cipher aes_cfb1_cipher +# define aesni_cfb1_cipher aes_cfb1_cipher static int aesni_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); -# define aesni_ctr_cipher aes_ctr_cipher +# define aesni_ctr_cipher aes_ctr_cipher static int aesni_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { - EVP_AES_GCM_CTX *gctx = ctx->cipher_data; + EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx); if (!iv && !key) return 1; if (key) { - aesni_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks); + aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &gctx->ks.ks); CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f) aesni_encrypt); gctx->ctr = (ctr128_f) aesni_ctr32_encrypt_blocks; /* @@ -371,31 +359,34 @@ static int aesni_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, return 1; } -# define aesni_gcm_cipher aes_gcm_cipher +# define aesni_gcm_cipher aes_gcm_cipher static int aesni_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { - EVP_AES_XTS_CTX *xctx = ctx->cipher_data; + EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx); if (!iv && !key) return 1; if (key) { /* key_len is two AES keys */ if (enc) { - aesni_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks); + aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4, + &xctx->ks1.ks); xctx->xts.block1 = (block128_f) aesni_encrypt; xctx->stream = aesni_xts_encrypt; } else { - aesni_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks); + aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4, + &xctx->ks1.ks); xctx->xts.block1 = (block128_f) aesni_decrypt; xctx->stream = aesni_xts_decrypt; } - aesni_set_encrypt_key(key + ctx->key_len / 2, - ctx->key_len * 4, &xctx->ks2.ks); + aesni_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2, + EVP_CIPHER_CTX_key_length(ctx) * 4, + &xctx->ks2.ks); xctx->xts.block2 = (block128_f) aesni_encrypt; xctx->xts.key1 = &xctx->ks1; @@ -403,24 +394,25 @@ static int aesni_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, if (iv) { xctx->xts.key2 = &xctx->ks2; - memcpy(ctx->iv, iv, 16); + memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16); } return 1; } -# define aesni_xts_cipher aes_xts_cipher +# define aesni_xts_cipher aes_xts_cipher static int aesni_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { - EVP_AES_CCM_CTX *cctx = ctx->cipher_data; + EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx); if (!iv && !key) return 1; if (key) { - aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks); + aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &cctx->ks.ks); CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L, &cctx->ks, (block128_f) aesni_encrypt); cctx->str = enc ? (ccm128_f) aesni_ccm64_encrypt_blocks : @@ -428,17 +420,86 @@ static int aesni_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, cctx->key_set = 1; } if (iv) { - memcpy(ctx->iv, iv, 15 - cctx->L); + memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L); cctx->iv_set = 1; } return 1; } -# define aesni_ccm_cipher aes_ccm_cipher +# define aesni_ccm_cipher aes_ccm_cipher static int aesni_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); -# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \ +# ifndef OPENSSL_NO_OCB +void aesni_ocb_encrypt(const unsigned char *in, unsigned char *out, + size_t blocks, const void *key, + size_t start_block_num, + unsigned char offset_i[16], + const unsigned char L_[][16], + unsigned char checksum[16]); +void aesni_ocb_decrypt(const unsigned char *in, unsigned char *out, + size_t blocks, const void *key, + size_t start_block_num, + unsigned char offset_i[16], + const unsigned char L_[][16], + unsigned char checksum[16]); + +static int aesni_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc) +{ + EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx); + if (!iv && !key) + return 1; + if (key) { + do { + /* + * We set both the encrypt and decrypt key here because decrypt + * needs both. We could possibly optimise to remove setting the + * decrypt for an encryption operation. + */ + aesni_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &octx->ksenc.ks); + aesni_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &octx->ksdec.ks); + if (!CRYPTO_ocb128_init(&octx->ocb, + &octx->ksenc.ks, &octx->ksdec.ks, + (block128_f) aesni_encrypt, + (block128_f) aesni_decrypt, + enc ? aesni_ocb_encrypt + : aesni_ocb_decrypt)) + return 0; + } + while (0); + + /* + * If we have an iv we can set it directly, otherwise use saved IV. + */ + if (iv == NULL && octx->iv_set) + iv = octx->iv; + if (iv) { + if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen) + != 1) + return 0; + octx->iv_set = 1; + } + octx->key_set = 1; + } else { + /* If key set use IV, otherwise copy */ + if (octx->key_set) + CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen); + else + memcpy(octx->iv, iv, octx->ivlen); + octx->iv_set = 1; + } + return 1; +} + +# define aesni_ocb_cipher aes_ocb_cipher +static int aesni_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); +# endif /* OPENSSL_NO_OCB */ + +# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \ static const EVP_CIPHER aesni_##keylen##_##mode = { \ nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \ flags|EVP_CIPH_##MODE##_MODE, \ @@ -459,7 +520,7 @@ static const EVP_CIPHER aes_##keylen##_##mode = { \ const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \ { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; } -# define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \ +# define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \ static const EVP_CIPHER aesni_##keylen##_##mode = { \ nid##_##keylen##_##mode,blocksize, \ (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \ @@ -481,13 +542,24 @@ static const EVP_CIPHER aes_##keylen##_##mode = { \ const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \ { return AESNI_CAPABLE?&aesni_##keylen##_##mode:&aes_##keylen##_##mode; } -# elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__)) +#elif defined(AES_ASM) && (defined(__sparc) || defined(__sparc__)) -# include "sparc_arch.h" +# include "sparc_arch.h" extern unsigned int OPENSSL_sparcv9cap_P[]; -# define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES) +/* + * Initial Fujitsu SPARC64 X support + */ +# define HWAES_CAPABLE (OPENSSL_sparcv9cap_P[0] & SPARCV9_FJAESX) +# define HWAES_set_encrypt_key aes_fx_set_encrypt_key +# define HWAES_set_decrypt_key aes_fx_set_decrypt_key +# define HWAES_encrypt aes_fx_encrypt +# define HWAES_decrypt aes_fx_decrypt +# define HWAES_cbc_encrypt aes_fx_cbc_encrypt +# define HWAES_ctr32_encrypt_blocks aes_fx_ctr32_encrypt_blocks + +# define SPARC_AES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_AES) void aes_t4_set_encrypt_key(const unsigned char *key, int bits, AES_KEY *ks); void aes_t4_set_decrypt_key(const unsigned char *key, int bits, AES_KEY *ks); @@ -504,7 +576,7 @@ void aes_t4_decrypt(const unsigned char *in, unsigned char *out, * non-key-length specific routines would require conditional branches * either in inner loops or on subroutines' entries. Former is hardly * acceptable, while latter means code size increase to size occupied - * by multiple key-length specfic subroutines, so why fight? + * by multiple key-length specific subroutines, so why fight? */ void aes128_t4_cbc_encrypt(const unsigned char *in, unsigned char *out, size_t len, const AES_KEY *key, @@ -550,14 +622,14 @@ static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { int ret, mode, bits; - EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data; + EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx); - mode = ctx->cipher->flags & EVP_CIPH_MODE; - bits = ctx->key_len * 8; + mode = EVP_CIPHER_CTX_mode(ctx); + bits = EVP_CIPHER_CTX_key_length(ctx) * 8; if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE) && !enc) { ret = 0; - aes_t4_set_decrypt_key(key, bits, ctx->cipher_data); + aes_t4_set_decrypt_key(key, bits, &dat->ks.ks); dat->block = (block128_f) aes_t4_decrypt; switch (bits) { case 128: @@ -577,7 +649,7 @@ static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, } } else { ret = 0; - aes_t4_set_encrypt_key(key, bits, ctx->cipher_data); + aes_t4_set_encrypt_key(key, bits, &dat->ks.ks); dat->block = (block128_f) aes_t4_encrypt; switch (bits) { case 128: @@ -617,42 +689,42 @@ static int aes_t4_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, return 1; } -# define aes_t4_cbc_cipher aes_cbc_cipher +# define aes_t4_cbc_cipher aes_cbc_cipher static int aes_t4_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); -# define aes_t4_ecb_cipher aes_ecb_cipher +# define aes_t4_ecb_cipher aes_ecb_cipher static int aes_t4_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); -# define aes_t4_ofb_cipher aes_ofb_cipher +# define aes_t4_ofb_cipher aes_ofb_cipher static int aes_t4_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); -# define aes_t4_cfb_cipher aes_cfb_cipher +# define aes_t4_cfb_cipher aes_cfb_cipher static int aes_t4_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); -# define aes_t4_cfb8_cipher aes_cfb8_cipher +# define aes_t4_cfb8_cipher aes_cfb8_cipher static int aes_t4_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); -# define aes_t4_cfb1_cipher aes_cfb1_cipher +# define aes_t4_cfb1_cipher aes_cfb1_cipher static int aes_t4_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); -# define aes_t4_ctr_cipher aes_ctr_cipher +# define aes_t4_ctr_cipher aes_ctr_cipher static int aes_t4_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); static int aes_t4_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { - EVP_AES_GCM_CTX *gctx = ctx->cipher_data; + EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx); if (!iv && !key) return 1; if (key) { - int bits = ctx->key_len * 8; + int bits = EVP_CIPHER_CTX_key_length(ctx) * 8; aes_t4_set_encrypt_key(key, bits, &gctx->ks.ks); CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f) aes_t4_encrypt); @@ -691,19 +763,19 @@ static int aes_t4_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, return 1; } -# define aes_t4_gcm_cipher aes_gcm_cipher +# define aes_t4_gcm_cipher aes_gcm_cipher static int aes_t4_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { - EVP_AES_XTS_CTX *xctx = ctx->cipher_data; + EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx); if (!iv && !key) return 1; if (key) { - int bits = ctx->key_len * 4; + int bits = EVP_CIPHER_CTX_key_length(ctx) * 4; xctx->stream = NULL; /* key_len is two AES keys */ if (enc) { @@ -713,11 +785,6 @@ static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, case 128: xctx->stream = aes128_t4_xts_encrypt; break; -# if 0 /* not yet */ - case 192: - xctx->stream = aes192_t4_xts_encrypt; - break; -# endif case 256: xctx->stream = aes256_t4_xts_encrypt; break; @@ -725,17 +792,13 @@ static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, return 0; } } else { - aes_t4_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks); + aes_t4_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4, + &xctx->ks1.ks); xctx->xts.block1 = (block128_f) aes_t4_decrypt; switch (bits) { case 128: xctx->stream = aes128_t4_xts_decrypt; break; -# if 0 /* not yet */ - case 192: - xctx->stream = aes192_t4_xts_decrypt; - break; -# endif case 256: xctx->stream = aes256_t4_xts_decrypt; break; @@ -744,8 +807,9 @@ static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, } } - aes_t4_set_encrypt_key(key + ctx->key_len / 2, - ctx->key_len * 4, &xctx->ks2.ks); + aes_t4_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2, + EVP_CIPHER_CTX_key_length(ctx) * 4, + &xctx->ks2.ks); xctx->xts.block2 = (block128_f) aes_t4_encrypt; xctx->xts.key1 = &xctx->ks1; @@ -753,61 +817,97 @@ static int aes_t4_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, if (iv) { xctx->xts.key2 = &xctx->ks2; - memcpy(ctx->iv, iv, 16); + memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16); } return 1; } -# define aes_t4_xts_cipher aes_xts_cipher +# define aes_t4_xts_cipher aes_xts_cipher static int aes_t4_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); static int aes_t4_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { - EVP_AES_CCM_CTX *cctx = ctx->cipher_data; + EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx); if (!iv && !key) return 1; if (key) { - int bits = ctx->key_len * 8; + int bits = EVP_CIPHER_CTX_key_length(ctx) * 8; aes_t4_set_encrypt_key(key, bits, &cctx->ks.ks); CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L, &cctx->ks, (block128_f) aes_t4_encrypt); -# if 0 /* not yet */ - switch (bits) { - case 128: - cctx->str = enc ? (ccm128_f) aes128_t4_ccm64_encrypt : - (ccm128_f) ae128_t4_ccm64_decrypt; - break; - case 192: - cctx->str = enc ? (ccm128_f) aes192_t4_ccm64_encrypt : - (ccm128_f) ae192_t4_ccm64_decrypt; - break; - case 256: - cctx->str = enc ? (ccm128_f) aes256_t4_ccm64_encrypt : - (ccm128_f) ae256_t4_ccm64_decrypt; - break; - default: - return 0; - } -# else cctx->str = NULL; -# endif cctx->key_set = 1; } if (iv) { - memcpy(ctx->iv, iv, 15 - cctx->L); + memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L); cctx->iv_set = 1; } return 1; } -# define aes_t4_ccm_cipher aes_ccm_cipher +# define aes_t4_ccm_cipher aes_ccm_cipher static int aes_t4_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len); -# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \ +# ifndef OPENSSL_NO_OCB +static int aes_t4_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc) +{ + EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx); + if (!iv && !key) + return 1; + if (key) { + do { + /* + * We set both the encrypt and decrypt key here because decrypt + * needs both. We could possibly optimise to remove setting the + * decrypt for an encryption operation. + */ + aes_t4_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &octx->ksenc.ks); + aes_t4_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &octx->ksdec.ks); + if (!CRYPTO_ocb128_init(&octx->ocb, + &octx->ksenc.ks, &octx->ksdec.ks, + (block128_f) aes_t4_encrypt, + (block128_f) aes_t4_decrypt, + NULL)) + return 0; + } + while (0); + + /* + * If we have an iv we can set it directly, otherwise use saved IV. + */ + if (iv == NULL && octx->iv_set) + iv = octx->iv; + if (iv) { + if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen) + != 1) + return 0; + octx->iv_set = 1; + } + octx->key_set = 1; + } else { + /* If key set use IV, otherwise copy */ + if (octx->key_set) + CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen); + else + memcpy(octx->iv, iv, octx->ivlen); + octx->iv_set = 1; + } + return 1; +} + +# define aes_t4_ocb_cipher aes_ocb_cipher +static int aes_t4_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len); +# endif /* OPENSSL_NO_OCB */ + +# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \ static const EVP_CIPHER aes_t4_##keylen##_##mode = { \ nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \ flags|EVP_CIPH_##MODE##_MODE, \ @@ -828,7 +928,7 @@ static const EVP_CIPHER aes_##keylen##_##mode = { \ const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \ { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; } -# define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \ +# define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \ static const EVP_CIPHER aes_t4_##keylen##_##mode = { \ nid##_##keylen##_##mode,blocksize, \ (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \ @@ -850,9 +950,9 @@ static const EVP_CIPHER aes_##keylen##_##mode = { \ const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \ { return SPARC_AES_CAPABLE?&aes_t4_##keylen##_##mode:&aes_##keylen##_##mode; } -# else +#else -# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \ +# define BLOCK_CIPHER_generic(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \ static const EVP_CIPHER aes_##keylen##_##mode = { \ nid##_##keylen##_##nmode,blocksize,keylen/8,ivlen, \ flags|EVP_CIPH_##MODE##_MODE, \ @@ -864,7 +964,7 @@ static const EVP_CIPHER aes_##keylen##_##mode = { \ const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \ { return &aes_##keylen##_##mode; } -# define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \ +# define BLOCK_CIPHER_custom(nid,keylen,blocksize,ivlen,mode,MODE,flags) \ static const EVP_CIPHER aes_##keylen##_##mode = { \ nid##_##keylen##_##mode,blocksize, \ (EVP_CIPH_##MODE##_MODE==EVP_CIPH_XTS_MODE?2:1)*keylen/8, ivlen, \ @@ -876,25 +976,29 @@ static const EVP_CIPHER aes_##keylen##_##mode = { \ NULL,NULL,aes_##mode##_ctrl,NULL }; \ const EVP_CIPHER *EVP_aes_##keylen##_##mode(void) \ { return &aes_##keylen##_##mode; } -# endif -# if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__)) -# include "arm_arch.h" -# if __ARM_MAX_ARCH__>=7 -# if defined(BSAES_ASM) -# define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON) -# endif -# define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES) -# define HWAES_set_encrypt_key aes_v8_set_encrypt_key -# define HWAES_set_decrypt_key aes_v8_set_decrypt_key -# define HWAES_encrypt aes_v8_encrypt -# define HWAES_decrypt aes_v8_decrypt -# define HWAES_cbc_encrypt aes_v8_cbc_encrypt -# define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks +#endif + +#if defined(OPENSSL_CPUID_OBJ) && (defined(__arm__) || defined(__arm) || defined(__aarch64__)) +# include "arm_arch.h" +# if __ARM_MAX_ARCH__>=7 +# if defined(BSAES_ASM) +# define BSAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON) # endif +# if defined(VPAES_ASM) +# define VPAES_CAPABLE (OPENSSL_armcap_P & ARMV7_NEON) +# endif +# define HWAES_CAPABLE (OPENSSL_armcap_P & ARMV8_AES) +# define HWAES_set_encrypt_key aes_v8_set_encrypt_key +# define HWAES_set_decrypt_key aes_v8_set_decrypt_key +# define HWAES_encrypt aes_v8_encrypt +# define HWAES_decrypt aes_v8_decrypt +# define HWAES_cbc_encrypt aes_v8_cbc_encrypt +# define HWAES_ctr32_encrypt_blocks aes_v8_ctr32_encrypt_blocks # endif +#endif -# if defined(HWAES_CAPABLE) +#if defined(HWAES_CAPABLE) int HWAES_set_encrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key); int HWAES_set_decrypt_key(const unsigned char *userKey, const int bits, @@ -909,9 +1013,15 @@ void HWAES_cbc_encrypt(const unsigned char *in, unsigned char *out, void HWAES_ctr32_encrypt_blocks(const unsigned char *in, unsigned char *out, size_t len, const AES_KEY *key, const unsigned char ivec[16]); -# endif +void HWAES_xts_encrypt(const unsigned char *inp, unsigned char *out, + size_t len, const AES_KEY *key1, + const AES_KEY *key2, const unsigned char iv[16]); +void HWAES_xts_decrypt(const unsigned char *inp, unsigned char *out, + size_t len, const AES_KEY *key1, + const AES_KEY *key2, const unsigned char iv[16]); +#endif -# define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \ +#define BLOCK_CIPHER_generic_pack(nid,keylen,flags) \ BLOCK_CIPHER_generic(nid,keylen,16,16,cbc,cbc,CBC,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \ BLOCK_CIPHER_generic(nid,keylen,16,0,ecb,ecb,ECB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \ BLOCK_CIPHER_generic(nid,keylen,1,16,ofb128,ofb,OFB,flags|EVP_CIPH_FLAG_DEFAULT_ASN1) \ @@ -924,85 +1034,97 @@ static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { int ret, mode; - EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data; + EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx); - mode = ctx->cipher->flags & EVP_CIPH_MODE; + mode = EVP_CIPHER_CTX_mode(ctx); if ((mode == EVP_CIPH_ECB_MODE || mode == EVP_CIPH_CBC_MODE) - && !enc) -# ifdef HWAES_CAPABLE + && !enc) { +#ifdef HWAES_CAPABLE if (HWAES_CAPABLE) { - ret = HWAES_set_decrypt_key(key, ctx->key_len * 8, &dat->ks.ks); + ret = HWAES_set_decrypt_key(key, + EVP_CIPHER_CTX_key_length(ctx) * 8, + &dat->ks.ks); dat->block = (block128_f) HWAES_decrypt; dat->stream.cbc = NULL; -# ifdef HWAES_cbc_encrypt +# ifdef HWAES_cbc_encrypt if (mode == EVP_CIPH_CBC_MODE) dat->stream.cbc = (cbc128_f) HWAES_cbc_encrypt; -# endif - } else # endif -# ifdef BSAES_CAPABLE + } else +#endif +#ifdef BSAES_CAPABLE if (BSAES_CAPABLE && mode == EVP_CIPH_CBC_MODE) { - ret = AES_set_decrypt_key(key, ctx->key_len * 8, &dat->ks.ks); + ret = AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &dat->ks.ks); dat->block = (block128_f) AES_decrypt; dat->stream.cbc = (cbc128_f) bsaes_cbc_encrypt; } else -# endif -# ifdef VPAES_CAPABLE +#endif +#ifdef VPAES_CAPABLE if (VPAES_CAPABLE) { - ret = vpaes_set_decrypt_key(key, ctx->key_len * 8, &dat->ks.ks); + ret = vpaes_set_decrypt_key(key, + EVP_CIPHER_CTX_key_length(ctx) * 8, + &dat->ks.ks); dat->block = (block128_f) vpaes_decrypt; dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ? (cbc128_f) vpaes_cbc_encrypt : NULL; } else -# endif +#endif { - ret = AES_set_decrypt_key(key, ctx->key_len * 8, &dat->ks.ks); + ret = AES_set_decrypt_key(key, + EVP_CIPHER_CTX_key_length(ctx) * 8, + &dat->ks.ks); dat->block = (block128_f) AES_decrypt; dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ? (cbc128_f) AES_cbc_encrypt : NULL; + } } else -# ifdef HWAES_CAPABLE +#ifdef HWAES_CAPABLE if (HWAES_CAPABLE) { - ret = HWAES_set_encrypt_key(key, ctx->key_len * 8, &dat->ks.ks); + ret = HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &dat->ks.ks); dat->block = (block128_f) HWAES_encrypt; dat->stream.cbc = NULL; -# ifdef HWAES_cbc_encrypt +# ifdef HWAES_cbc_encrypt if (mode == EVP_CIPH_CBC_MODE) dat->stream.cbc = (cbc128_f) HWAES_cbc_encrypt; else -# endif -# ifdef HWAES_ctr32_encrypt_blocks +# endif +# ifdef HWAES_ctr32_encrypt_blocks if (mode == EVP_CIPH_CTR_MODE) dat->stream.ctr = (ctr128_f) HWAES_ctr32_encrypt_blocks; else -# endif +# endif (void)0; /* terminate potentially open 'else' */ } else -# endif -# ifdef BSAES_CAPABLE +#endif +#ifdef BSAES_CAPABLE if (BSAES_CAPABLE && mode == EVP_CIPH_CTR_MODE) { - ret = AES_set_encrypt_key(key, ctx->key_len * 8, &dat->ks.ks); + ret = AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &dat->ks.ks); dat->block = (block128_f) AES_encrypt; dat->stream.ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks; } else -# endif -# ifdef VPAES_CAPABLE +#endif +#ifdef VPAES_CAPABLE if (VPAES_CAPABLE) { - ret = vpaes_set_encrypt_key(key, ctx->key_len * 8, &dat->ks.ks); + ret = vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &dat->ks.ks); dat->block = (block128_f) vpaes_encrypt; dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ? (cbc128_f) vpaes_cbc_encrypt : NULL; } else -# endif +#endif { - ret = AES_set_encrypt_key(key, ctx->key_len * 8, &dat->ks.ks); + ret = AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &dat->ks.ks); dat->block = (block128_f) AES_encrypt; dat->stream.cbc = mode == EVP_CIPH_CBC_MODE ? (cbc128_f) AES_cbc_encrypt : NULL; -# ifdef AES_CTR_ASM +#ifdef AES_CTR_ASM if (mode == EVP_CIPH_CTR_MODE) dat->stream.ctr = (ctr128_f) AES_ctr32_encrypt; -# endif +#endif } if (ret < 0) { @@ -1016,14 +1138,18 @@ static int aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data; + EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx); if (dat->stream.cbc) - (*dat->stream.cbc) (in, out, len, &dat->ks, ctx->iv, ctx->encrypt); - else if (ctx->encrypt) - CRYPTO_cbc128_encrypt(in, out, len, &dat->ks, ctx->iv, dat->block); + (*dat->stream.cbc) (in, out, len, &dat->ks, + EVP_CIPHER_CTX_iv_noconst(ctx), + EVP_CIPHER_CTX_encrypting(ctx)); + else if (EVP_CIPHER_CTX_encrypting(ctx)) + CRYPTO_cbc128_encrypt(in, out, len, &dat->ks, + EVP_CIPHER_CTX_iv_noconst(ctx), dat->block); else - CRYPTO_cbc128_decrypt(in, out, len, &dat->ks, ctx->iv, dat->block); + CRYPTO_cbc128_decrypt(in, out, len, &dat->ks, + EVP_CIPHER_CTX_iv_noconst(ctx), dat->block); return 1; } @@ -1031,9 +1157,9 @@ static int aes_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - size_t bl = ctx->cipher->block_size; + size_t bl = EVP_CIPHER_CTX_block_size(ctx); size_t i; - EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data; + EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx); if (len < bl) return 1; @@ -1047,54 +1173,72 @@ static int aes_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, static int aes_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data; + EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx); + int num = EVP_CIPHER_CTX_num(ctx); CRYPTO_ofb128_encrypt(in, out, len, &dat->ks, - ctx->iv, &ctx->num, dat->block); + EVP_CIPHER_CTX_iv_noconst(ctx), &num, dat->block); + EVP_CIPHER_CTX_set_num(ctx, num); return 1; } static int aes_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data; + EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx); + int num = EVP_CIPHER_CTX_num(ctx); CRYPTO_cfb128_encrypt(in, out, len, &dat->ks, - ctx->iv, &ctx->num, ctx->encrypt, dat->block); + EVP_CIPHER_CTX_iv_noconst(ctx), &num, + EVP_CIPHER_CTX_encrypting(ctx), dat->block); + EVP_CIPHER_CTX_set_num(ctx, num); return 1; } static int aes_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data; + EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx); + int num = EVP_CIPHER_CTX_num(ctx); CRYPTO_cfb128_8_encrypt(in, out, len, &dat->ks, - ctx->iv, &ctx->num, ctx->encrypt, dat->block); + EVP_CIPHER_CTX_iv_noconst(ctx), &num, + EVP_CIPHER_CTX_encrypting(ctx), dat->block); + EVP_CIPHER_CTX_set_num(ctx, num); return 1; } static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data; + EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx); - if (ctx->flags & EVP_CIPH_FLAG_LENGTH_BITS) { + if (EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS)) { + int num = EVP_CIPHER_CTX_num(ctx); CRYPTO_cfb128_1_encrypt(in, out, len, &dat->ks, - ctx->iv, &ctx->num, ctx->encrypt, dat->block); + EVP_CIPHER_CTX_iv_noconst(ctx), &num, + EVP_CIPHER_CTX_encrypting(ctx), dat->block); + EVP_CIPHER_CTX_set_num(ctx, num); return 1; } while (len >= MAXBITCHUNK) { + int num = EVP_CIPHER_CTX_num(ctx); CRYPTO_cfb128_1_encrypt(in, out, MAXBITCHUNK * 8, &dat->ks, - ctx->iv, &ctx->num, ctx->encrypt, dat->block); + EVP_CIPHER_CTX_iv_noconst(ctx), &num, + EVP_CIPHER_CTX_encrypting(ctx), dat->block); + EVP_CIPHER_CTX_set_num(ctx, num); len -= MAXBITCHUNK; out += MAXBITCHUNK; in += MAXBITCHUNK; } - if (len) + if (len) { + int num = EVP_CIPHER_CTX_num(ctx); CRYPTO_cfb128_1_encrypt(in, out, len * 8, &dat->ks, - ctx->iv, &ctx->num, ctx->encrypt, dat->block); + EVP_CIPHER_CTX_iv_noconst(ctx), &num, + EVP_CIPHER_CTX_encrypting(ctx), dat->block); + EVP_CIPHER_CTX_set_num(ctx, num); + } return 1; } @@ -1102,30 +1246,34 @@ static int aes_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, static int aes_ctr_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - unsigned int num = ctx->num; - EVP_AES_KEY *dat = (EVP_AES_KEY *) ctx->cipher_data; + unsigned int num = EVP_CIPHER_CTX_num(ctx); + EVP_AES_KEY *dat = EVP_C_DATA(EVP_AES_KEY,ctx); if (dat->stream.ctr) CRYPTO_ctr128_encrypt_ctr32(in, out, len, &dat->ks, - ctx->iv, ctx->buf, &num, dat->stream.ctr); + EVP_CIPHER_CTX_iv_noconst(ctx), + EVP_CIPHER_CTX_buf_noconst(ctx), + &num, dat->stream.ctr); else CRYPTO_ctr128_encrypt(in, out, len, &dat->ks, - ctx->iv, ctx->buf, &num, dat->block); - ctx->num = (size_t)num; + EVP_CIPHER_CTX_iv_noconst(ctx), + EVP_CIPHER_CTX_buf_noconst(ctx), &num, + dat->block); + EVP_CIPHER_CTX_set_num(ctx, num); return 1; } -BLOCK_CIPHER_generic_pack(NID_aes, 128, EVP_CIPH_FLAG_FIPS) - BLOCK_CIPHER_generic_pack(NID_aes, 192, EVP_CIPH_FLAG_FIPS) - BLOCK_CIPHER_generic_pack(NID_aes, 256, EVP_CIPH_FLAG_FIPS) +BLOCK_CIPHER_generic_pack(NID_aes, 128, 0) + BLOCK_CIPHER_generic_pack(NID_aes, 192, 0) + BLOCK_CIPHER_generic_pack(NID_aes, 256, 0) static int aes_gcm_cleanup(EVP_CIPHER_CTX *c) { - EVP_AES_GCM_CTX *gctx = c->cipher_data; + EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,c); if (gctx == NULL) return 0; OPENSSL_cleanse(&gctx->gcm, sizeof(gctx->gcm)); - if (gctx->iv != c->iv) + if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c)) OPENSSL_free(gctx->iv); return 1; } @@ -1148,43 +1296,44 @@ static void ctr64_inc(unsigned char *counter) static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) { - EVP_AES_GCM_CTX *gctx = c->cipher_data; + EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,c); switch (type) { case EVP_CTRL_INIT: gctx->key_set = 0; gctx->iv_set = 0; - gctx->ivlen = c->cipher->iv_len; - gctx->iv = c->iv; + gctx->ivlen = EVP_CIPHER_CTX_iv_length(c); + gctx->iv = EVP_CIPHER_CTX_iv_noconst(c); gctx->taglen = -1; gctx->iv_gen = 0; gctx->tls_aad_len = -1; return 1; - case EVP_CTRL_GCM_SET_IVLEN: + case EVP_CTRL_AEAD_SET_IVLEN: if (arg <= 0) return 0; /* Allocate memory for IV if needed */ if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen)) { - if (gctx->iv != c->iv) + if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c)) OPENSSL_free(gctx->iv); gctx->iv = OPENSSL_malloc(arg); - if (!gctx->iv) + if (gctx->iv == NULL) return 0; } gctx->ivlen = arg; return 1; - case EVP_CTRL_GCM_SET_TAG: - if (arg <= 0 || arg > 16 || c->encrypt) + case EVP_CTRL_AEAD_SET_TAG: + if (arg <= 0 || arg > 16 || EVP_CIPHER_CTX_encrypting(c)) return 0; - memcpy(c->buf, ptr, arg); + memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg); gctx->taglen = arg; return 1; - case EVP_CTRL_GCM_GET_TAG: - if (arg <= 0 || arg > 16 || !c->encrypt || gctx->taglen < 0) + case EVP_CTRL_AEAD_GET_TAG: + if (arg <= 0 || arg > 16 || !EVP_CIPHER_CTX_encrypting(c) + || gctx->taglen < 0) return 0; - memcpy(ptr, c->buf, arg); + memcpy(ptr, EVP_CIPHER_CTX_buf_noconst(c), arg); return 1; case EVP_CTRL_GCM_SET_IV_FIXED: @@ -1202,7 +1351,8 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) return 0; if (arg) memcpy(gctx->iv, ptr, arg); - if (c->encrypt && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0) + if (EVP_CIPHER_CTX_encrypting(c) + && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0) return 0; gctx->iv_gen = 1; return 1; @@ -1223,7 +1373,8 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) return 1; case EVP_CTRL_GCM_SET_IV_INV: - if (gctx->iv_gen == 0 || gctx->key_set == 0 || c->encrypt) + if (gctx->iv_gen == 0 || gctx->key_set == 0 + || EVP_CIPHER_CTX_encrypting(c)) return 0; memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg); CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen); @@ -1234,22 +1385,24 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) /* Save the AAD for later use */ if (arg != EVP_AEAD_TLS1_AAD_LEN) return 0; - memcpy(c->buf, ptr, arg); + memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg); gctx->tls_aad_len = arg; { - unsigned int len = c->buf[arg - 2] << 8 | c->buf[arg - 1]; + unsigned int len = + EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8 + | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1]; /* Correct length for explicit IV */ if (len < EVP_GCM_TLS_EXPLICIT_IV_LEN) return 0; len -= EVP_GCM_TLS_EXPLICIT_IV_LEN; /* If decrypting correct for tag too */ - if (!c->encrypt) { + if (!EVP_CIPHER_CTX_encrypting(c)) { if (len < EVP_GCM_TLS_TAG_LEN) return 0; len -= EVP_GCM_TLS_TAG_LEN; } - c->buf[arg - 2] = len >> 8; - c->buf[arg - 1] = len & 0xff; + EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8; + EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff; } /* Extra padding: tag appended to record */ return EVP_GCM_TLS_TAG_LEN; @@ -1257,17 +1410,17 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) case EVP_CTRL_COPY: { EVP_CIPHER_CTX *out = ptr; - EVP_AES_GCM_CTX *gctx_out = out->cipher_data; + EVP_AES_GCM_CTX *gctx_out = EVP_C_DATA(EVP_AES_GCM_CTX,out); if (gctx->gcm.key) { if (gctx->gcm.key != &gctx->ks) return 0; gctx_out->gcm.key = &gctx_out->ks; } - if (gctx->iv == c->iv) - gctx_out->iv = out->iv; + if (gctx->iv == EVP_CIPHER_CTX_iv_noconst(c)) + gctx_out->iv = EVP_CIPHER_CTX_iv_noconst(out); else { gctx_out->iv = OPENSSL_malloc(gctx->ivlen); - if (!gctx_out->iv) + if (gctx_out->iv == NULL) return 0; memcpy(gctx_out->iv, gctx->iv, gctx->ivlen); } @@ -1283,52 +1436,56 @@ static int aes_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { - EVP_AES_GCM_CTX *gctx = ctx->cipher_data; + EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx); if (!iv && !key) return 1; if (key) { do { -# ifdef HWAES_CAPABLE +#ifdef HWAES_CAPABLE if (HWAES_CAPABLE) { - HWAES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks); + HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &gctx->ks.ks); CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f) HWAES_encrypt); -# ifdef HWAES_ctr32_encrypt_blocks +# ifdef HWAES_ctr32_encrypt_blocks gctx->ctr = (ctr128_f) HWAES_ctr32_encrypt_blocks; -# else +# else gctx->ctr = NULL; -# endif +# endif break; } else -# endif -# ifdef BSAES_CAPABLE +#endif +#ifdef BSAES_CAPABLE if (BSAES_CAPABLE) { - AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks); + AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &gctx->ks.ks); CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f) AES_encrypt); gctx->ctr = (ctr128_f) bsaes_ctr32_encrypt_blocks; break; } else -# endif -# ifdef VPAES_CAPABLE +#endif +#ifdef VPAES_CAPABLE if (VPAES_CAPABLE) { - vpaes_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks); + vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &gctx->ks.ks); CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f) vpaes_encrypt); gctx->ctr = NULL; break; } else -# endif +#endif (void)0; /* terminate potentially open 'else' */ - AES_set_encrypt_key(key, ctx->key_len * 8, &gctx->ks.ks); + AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &gctx->ks.ks); CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks, (block128_f) AES_encrypt); -# ifdef AES_CTR_ASM +#ifdef AES_CTR_ASM gctx->ctr = (ctr128_f) AES_ctr32_encrypt; -# else +#else gctx->ctr = NULL; -# endif +#endif } while (0); /* @@ -1363,7 +1520,7 @@ static int aes_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - EVP_AES_GCM_CTX *gctx = ctx->cipher_data; + EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx); int rv = -1; /* Encrypt/decrypt must be performed in place */ if (out != in @@ -1373,22 +1530,23 @@ static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, * Set IV from start of buffer or generate IV and write to start of * buffer. */ - if (EVP_CIPHER_CTX_ctrl(ctx, ctx->encrypt ? + if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CIPHER_CTX_encrypting(ctx) ? EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV, EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0) goto err; /* Use saved AAD */ - if (CRYPTO_gcm128_aad(&gctx->gcm, ctx->buf, gctx->tls_aad_len)) + if (CRYPTO_gcm128_aad(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx), + gctx->tls_aad_len)) goto err; /* Fix buffer and length to point to payload */ in += EVP_GCM_TLS_EXPLICIT_IV_LEN; out += EVP_GCM_TLS_EXPLICIT_IV_LEN; len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN; - if (ctx->encrypt) { + if (EVP_CIPHER_CTX_encrypting(ctx)) { /* Encrypt payload */ if (gctx->ctr) { size_t bulk = 0; -# if defined(AES_GCM_ASM) +#if defined(AES_GCM_ASM) if (len >= 32 && AES_GCM_ASM(gctx)) { if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0)) return -1; @@ -1398,7 +1556,7 @@ static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, gctx->gcm.Yi.c, gctx->gcm.Xi.u); gctx->gcm.len.u[1] += bulk; } -# endif +#endif if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm, in + bulk, out + bulk, @@ -1406,7 +1564,7 @@ static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, goto err; } else { size_t bulk = 0; -# if defined(AES_GCM_ASM2) +#if defined(AES_GCM_ASM2) if (len >= 32 && AES_GCM_ASM2(gctx)) { if (CRYPTO_gcm128_encrypt(&gctx->gcm, NULL, NULL, 0)) return -1; @@ -1416,7 +1574,7 @@ static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, gctx->gcm.Yi.c, gctx->gcm.Xi.u); gctx->gcm.len.u[1] += bulk; } -# endif +#endif if (CRYPTO_gcm128_encrypt(&gctx->gcm, in + bulk, out + bulk, len - bulk)) goto err; @@ -1429,7 +1587,7 @@ static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, /* Decrypt */ if (gctx->ctr) { size_t bulk = 0; -# if defined(AES_GCM_ASM) +#if defined(AES_GCM_ASM) if (len >= 16 && AES_GCM_ASM(gctx)) { if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0)) return -1; @@ -1439,7 +1597,7 @@ static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, gctx->gcm.Yi.c, gctx->gcm.Xi.u); gctx->gcm.len.u[1] += bulk; } -# endif +#endif if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm, in + bulk, out + bulk, @@ -1447,7 +1605,7 @@ static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, goto err; } else { size_t bulk = 0; -# if defined(AES_GCM_ASM2) +#if defined(AES_GCM_ASM2) if (len >= 16 && AES_GCM_ASM2(gctx)) { if (CRYPTO_gcm128_decrypt(&gctx->gcm, NULL, NULL, 0)) return -1; @@ -1457,15 +1615,17 @@ static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, gctx->gcm.Yi.c, gctx->gcm.Xi.u); gctx->gcm.len.u[1] += bulk; } -# endif +#endif if (CRYPTO_gcm128_decrypt(&gctx->gcm, in + bulk, out + bulk, len - bulk)) goto err; } /* Retrieve tag */ - CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, EVP_GCM_TLS_TAG_LEN); + CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx), + EVP_GCM_TLS_TAG_LEN); /* If tag mismatch wipe buffer */ - if (CRYPTO_memcmp(ctx->buf, in + len, EVP_GCM_TLS_TAG_LEN)) { + if (CRYPTO_memcmp(EVP_CIPHER_CTX_buf_noconst(ctx), in + len, + EVP_GCM_TLS_TAG_LEN)) { OPENSSL_cleanse(out, len); goto err; } @@ -1481,7 +1641,7 @@ static int aes_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - EVP_AES_GCM_CTX *gctx = ctx->cipher_data; + EVP_AES_GCM_CTX *gctx = EVP_C_DATA(EVP_AES_GCM_CTX,ctx); /* If not set up, return error */ if (!gctx->key_set) return -1; @@ -1495,10 +1655,10 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, if (out == NULL) { if (CRYPTO_gcm128_aad(&gctx->gcm, in, len)) return -1; - } else if (ctx->encrypt) { + } else if (EVP_CIPHER_CTX_encrypting(ctx)) { if (gctx->ctr) { size_t bulk = 0; -# if defined(AES_GCM_ASM) +#if defined(AES_GCM_ASM) if (len >= 32 && AES_GCM_ASM(gctx)) { size_t res = (16 - gctx->gcm.mres) % 16; @@ -1512,7 +1672,7 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, gctx->gcm.len.u[1] += bulk; bulk += res; } -# endif +#endif if (CRYPTO_gcm128_encrypt_ctr32(&gctx->gcm, in + bulk, out + bulk, @@ -1520,7 +1680,7 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, return -1; } else { size_t bulk = 0; -# if defined(AES_GCM_ASM2) +#if defined(AES_GCM_ASM2) if (len >= 32 && AES_GCM_ASM2(gctx)) { size_t res = (16 - gctx->gcm.mres) % 16; @@ -1534,7 +1694,7 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, gctx->gcm.len.u[1] += bulk; bulk += res; } -# endif +#endif if (CRYPTO_gcm128_encrypt(&gctx->gcm, in + bulk, out + bulk, len - bulk)) return -1; @@ -1542,7 +1702,7 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, } else { if (gctx->ctr) { size_t bulk = 0; -# if defined(AES_GCM_ASM) +#if defined(AES_GCM_ASM) if (len >= 16 && AES_GCM_ASM(gctx)) { size_t res = (16 - gctx->gcm.mres) % 16; @@ -1556,7 +1716,7 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, gctx->gcm.len.u[1] += bulk; bulk += res; } -# endif +#endif if (CRYPTO_gcm128_decrypt_ctr32(&gctx->gcm, in + bulk, out + bulk, @@ -1564,7 +1724,7 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, return -1; } else { size_t bulk = 0; -# if defined(AES_GCM_ASM2) +#if defined(AES_GCM_ASM2) if (len >= 16 && AES_GCM_ASM2(gctx)) { size_t res = (16 - gctx->gcm.mres) % 16; @@ -1578,7 +1738,7 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, gctx->gcm.len.u[1] += bulk; bulk += res; } -# endif +#endif if (CRYPTO_gcm128_decrypt(&gctx->gcm, in + bulk, out + bulk, len - bulk)) return -1; @@ -1586,15 +1746,17 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, } return len; } else { - if (!ctx->encrypt) { + if (!EVP_CIPHER_CTX_encrypting(ctx)) { if (gctx->taglen < 0) return -1; - if (CRYPTO_gcm128_finish(&gctx->gcm, ctx->buf, gctx->taglen) != 0) + if (CRYPTO_gcm128_finish(&gctx->gcm, + EVP_CIPHER_CTX_buf_noconst(ctx), + gctx->taglen) != 0) return -1; gctx->iv_set = 0; return 0; } - CRYPTO_gcm128_tag(&gctx->gcm, ctx->buf, 16); + CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx), 16); gctx->taglen = 16; /* Don't reuse the IV */ gctx->iv_set = 0; @@ -1603,27 +1765,24 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, } -# define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \ +#define CUSTOM_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 \ | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \ | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \ | EVP_CIPH_CUSTOM_COPY) BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, gcm, GCM, - EVP_CIPH_FLAG_FIPS | EVP_CIPH_FLAG_AEAD_CIPHER | - CUSTOM_FLAGS) + EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS) BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, gcm, GCM, - EVP_CIPH_FLAG_FIPS | EVP_CIPH_FLAG_AEAD_CIPHER | - CUSTOM_FLAGS) + EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS) BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, gcm, GCM, - EVP_CIPH_FLAG_FIPS | EVP_CIPH_FLAG_AEAD_CIPHER | - CUSTOM_FLAGS) + EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS) static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) { - EVP_AES_XTS_CTX *xctx = c->cipher_data; + EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,c); if (type == EVP_CTRL_COPY) { EVP_CIPHER_CTX *out = ptr; - EVP_AES_XTS_CTX *xctx_out = out->cipher_data; + EVP_AES_XTS_CTX *xctx_out = EVP_C_DATA(EVP_AES_XTS_CTX,out); if (xctx->xts.key1) { if (xctx->xts.key1 != &xctx->ks1) return 0; @@ -1646,75 +1805,90 @@ static int aes_xts_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { - EVP_AES_XTS_CTX *xctx = ctx->cipher_data; + EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx); if (!iv && !key) return 1; if (key) do { -# ifdef AES_XTS_ASM +#ifdef AES_XTS_ASM xctx->stream = enc ? AES_xts_encrypt : AES_xts_decrypt; -# else +#else xctx->stream = NULL; -# endif +#endif /* key_len is two AES keys */ -# ifdef HWAES_CAPABLE +#ifdef HWAES_CAPABLE if (HWAES_CAPABLE) { if (enc) { - HWAES_set_encrypt_key(key, ctx->key_len * 4, + HWAES_set_encrypt_key(key, + EVP_CIPHER_CTX_key_length(ctx) * 4, &xctx->ks1.ks); xctx->xts.block1 = (block128_f) HWAES_encrypt; +# ifdef HWAES_xts_encrypt + xctx->stream = HWAES_xts_encrypt; +# endif } else { - HWAES_set_decrypt_key(key, ctx->key_len * 4, + HWAES_set_decrypt_key(key, + EVP_CIPHER_CTX_key_length(ctx) * 4, &xctx->ks1.ks); xctx->xts.block1 = (block128_f) HWAES_decrypt; +# ifdef HWAES_xts_decrypt + xctx->stream = HWAES_xts_decrypt; +#endif } - HWAES_set_encrypt_key(key + ctx->key_len / 2, - ctx->key_len * 4, &xctx->ks2.ks); + HWAES_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2, + EVP_CIPHER_CTX_key_length(ctx) * 4, + &xctx->ks2.ks); xctx->xts.block2 = (block128_f) HWAES_encrypt; xctx->xts.key1 = &xctx->ks1; break; } else -# endif -# ifdef BSAES_CAPABLE +#endif +#ifdef BSAES_CAPABLE if (BSAES_CAPABLE) xctx->stream = enc ? bsaes_xts_encrypt : bsaes_xts_decrypt; else -# endif -# ifdef VPAES_CAPABLE +#endif +#ifdef VPAES_CAPABLE if (VPAES_CAPABLE) { if (enc) { - vpaes_set_encrypt_key(key, ctx->key_len * 4, + vpaes_set_encrypt_key(key, + EVP_CIPHER_CTX_key_length(ctx) * 4, &xctx->ks1.ks); xctx->xts.block1 = (block128_f) vpaes_encrypt; } else { - vpaes_set_decrypt_key(key, ctx->key_len * 4, + vpaes_set_decrypt_key(key, + EVP_CIPHER_CTX_key_length(ctx) * 4, &xctx->ks1.ks); xctx->xts.block1 = (block128_f) vpaes_decrypt; } - vpaes_set_encrypt_key(key + ctx->key_len / 2, - ctx->key_len * 4, &xctx->ks2.ks); + vpaes_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2, + EVP_CIPHER_CTX_key_length(ctx) * 4, + &xctx->ks2.ks); xctx->xts.block2 = (block128_f) vpaes_encrypt; xctx->xts.key1 = &xctx->ks1; break; } else -# endif +#endif (void)0; /* terminate potentially open 'else' */ if (enc) { - AES_set_encrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks); + AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4, + &xctx->ks1.ks); xctx->xts.block1 = (block128_f) AES_encrypt; } else { - AES_set_decrypt_key(key, ctx->key_len * 4, &xctx->ks1.ks); + AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 4, + &xctx->ks1.ks); xctx->xts.block1 = (block128_f) AES_decrypt; } - AES_set_encrypt_key(key + ctx->key_len / 2, - ctx->key_len * 4, &xctx->ks2.ks); + AES_set_encrypt_key(key + EVP_CIPHER_CTX_key_length(ctx) / 2, + EVP_CIPHER_CTX_key_length(ctx) * 4, + &xctx->ks2.ks); xctx->xts.block2 = (block128_f) AES_encrypt; xctx->xts.key1 = &xctx->ks1; @@ -1722,7 +1896,7 @@ static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, if (iv) { xctx->xts.key2 = &xctx->ks2; - memcpy(ctx->iv, iv, 16); + memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 16); } return 1; @@ -1731,34 +1905,34 @@ static int aes_xts_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, static int aes_xts_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - EVP_AES_XTS_CTX *xctx = ctx->cipher_data; + EVP_AES_XTS_CTX *xctx = EVP_C_DATA(EVP_AES_XTS_CTX,ctx); if (!xctx->xts.key1 || !xctx->xts.key2) return 0; if (!out || !in || len < AES_BLOCK_SIZE) return 0; if (xctx->stream) (*xctx->stream) (in, out, len, - xctx->xts.key1, xctx->xts.key2, ctx->iv); - else if (CRYPTO_xts128_encrypt(&xctx->xts, ctx->iv, in, out, len, - ctx->encrypt)) + xctx->xts.key1, xctx->xts.key2, + EVP_CIPHER_CTX_iv_noconst(ctx)); + else if (CRYPTO_xts128_encrypt(&xctx->xts, EVP_CIPHER_CTX_iv_noconst(ctx), + in, out, len, + EVP_CIPHER_CTX_encrypting(ctx))) return 0; return 1; } -# define aes_xts_cleanup NULL +#define aes_xts_cleanup NULL -# define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \ +#define XTS_FLAGS (EVP_CIPH_FLAG_DEFAULT_ASN1 | EVP_CIPH_CUSTOM_IV \ | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \ | EVP_CIPH_CUSTOM_COPY) -BLOCK_CIPHER_custom(NID_aes, 128, 1, 16, xts, XTS, - EVP_CIPH_FLAG_FIPS | XTS_FLAGS) - BLOCK_CIPHER_custom(NID_aes, 256, 1, 16, xts, XTS, - EVP_CIPH_FLAG_FIPS | XTS_FLAGS) +BLOCK_CIPHER_custom(NID_aes, 128, 1, 16, xts, XTS, XTS_FLAGS) + BLOCK_CIPHER_custom(NID_aes, 256, 1, 16, xts, XTS, XTS_FLAGS) static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) { - EVP_AES_CCM_CTX *cctx = c->cipher_data; + EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,c); switch (type) { case EVP_CTRL_INIT: cctx->key_set = 0; @@ -1767,30 +1941,66 @@ static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) cctx->M = 12; cctx->tag_set = 0; cctx->len_set = 0; + cctx->tls_aad_len = -1; return 1; - case EVP_CTRL_CCM_SET_IVLEN: + case EVP_CTRL_AEAD_TLS1_AAD: + /* Save the AAD for later use */ + if (arg != EVP_AEAD_TLS1_AAD_LEN) + return 0; + memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg); + cctx->tls_aad_len = arg; + { + uint16_t len = + EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8 + | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1]; + /* Correct length for explicit IV */ + if (len < EVP_CCM_TLS_EXPLICIT_IV_LEN) + return 0; + len -= EVP_CCM_TLS_EXPLICIT_IV_LEN; + /* If decrypting correct for tag too */ + if (!EVP_CIPHER_CTX_encrypting(c)) { + if (len < cctx->M) + return 0; + len -= cctx->M; + } + EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8; + EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff; + } + /* Extra padding: tag appended to record */ + return cctx->M; + + case EVP_CTRL_CCM_SET_IV_FIXED: + /* Sanity check length */ + if (arg != EVP_CCM_TLS_FIXED_IV_LEN) + return 0; + /* Just copy to first part of IV */ + memcpy(EVP_CIPHER_CTX_iv_noconst(c), ptr, arg); + return 1; + + case EVP_CTRL_AEAD_SET_IVLEN: arg = 15 - arg; + /* fall thru */ case EVP_CTRL_CCM_SET_L: if (arg < 2 || arg > 8) return 0; cctx->L = arg; return 1; - case EVP_CTRL_CCM_SET_TAG: + case EVP_CTRL_AEAD_SET_TAG: if ((arg & 1) || arg < 4 || arg > 16) return 0; - if (c->encrypt && ptr) + if (EVP_CIPHER_CTX_encrypting(c) && ptr) return 0; if (ptr) { cctx->tag_set = 1; - memcpy(c->buf, ptr, arg); + memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg); } cctx->M = arg; return 1; - case EVP_CTRL_CCM_GET_TAG: - if (!c->encrypt || !cctx->tag_set) + case EVP_CTRL_AEAD_GET_TAG: + if (!EVP_CIPHER_CTX_encrypting(c) || !cctx->tag_set) return 0; if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg)) return 0; @@ -1802,7 +2012,7 @@ static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) case EVP_CTRL_COPY: { EVP_CIPHER_CTX *out = ptr; - EVP_AES_CCM_CTX *cctx_out = out->cipher_data; + EVP_AES_CCM_CTX *cctx_out = EVP_C_DATA(EVP_AES_CCM_CTX,out); if (cctx->ccm.key) { if (cctx->ccm.key != &cctx->ks) return 0; @@ -1820,14 +2030,15 @@ static int aes_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { - EVP_AES_CCM_CTX *cctx = ctx->cipher_data; + EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx); if (!iv && !key) return 1; if (key) do { -# ifdef HWAES_CAPABLE +#ifdef HWAES_CAPABLE if (HWAES_CAPABLE) { - HWAES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks); + HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &cctx->ks.ks); CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L, &cctx->ks, (block128_f) HWAES_encrypt); @@ -1835,43 +2046,101 @@ static int aes_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, cctx->key_set = 1; break; } else -# endif -# ifdef VPAES_CAPABLE +#endif +#ifdef VPAES_CAPABLE if (VPAES_CAPABLE) { - vpaes_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks); + vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &cctx->ks.ks); CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L, &cctx->ks, (block128_f) vpaes_encrypt); cctx->str = NULL; cctx->key_set = 1; break; } -# endif - AES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks.ks); +#endif + AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &cctx->ks.ks); CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L, &cctx->ks, (block128_f) AES_encrypt); cctx->str = NULL; cctx->key_set = 1; } while (0); if (iv) { - memcpy(ctx->iv, iv, 15 - cctx->L); + memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L); cctx->iv_set = 1; } return 1; } +static int aes_ccm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len) +{ + EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx); + CCM128_CONTEXT *ccm = &cctx->ccm; + /* Encrypt/decrypt must be performed in place */ + if (out != in || len < (EVP_CCM_TLS_EXPLICIT_IV_LEN + (size_t)cctx->M)) + return -1; + /* If encrypting set explicit IV from sequence number (start of AAD) */ + if (EVP_CIPHER_CTX_encrypting(ctx)) + memcpy(out, EVP_CIPHER_CTX_buf_noconst(ctx), + EVP_CCM_TLS_EXPLICIT_IV_LEN); + /* Get rest of IV from explicit IV */ + memcpy(EVP_CIPHER_CTX_iv_noconst(ctx) + EVP_CCM_TLS_FIXED_IV_LEN, in, + EVP_CCM_TLS_EXPLICIT_IV_LEN); + /* Correct length value */ + len -= EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M; + if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx), 15 - cctx->L, + len)) + return -1; + /* Use saved AAD */ + CRYPTO_ccm128_aad(ccm, EVP_CIPHER_CTX_buf_noconst(ctx), cctx->tls_aad_len); + /* Fix buffer to point to payload */ + in += EVP_CCM_TLS_EXPLICIT_IV_LEN; + out += EVP_CCM_TLS_EXPLICIT_IV_LEN; + if (EVP_CIPHER_CTX_encrypting(ctx)) { + if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len, + cctx->str) : + CRYPTO_ccm128_encrypt(ccm, in, out, len)) + return -1; + if (!CRYPTO_ccm128_tag(ccm, out + len, cctx->M)) + return -1; + return len + EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M; + } else { + if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len, + cctx->str) : + !CRYPTO_ccm128_decrypt(ccm, in, out, len)) { + unsigned char tag[16]; + if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) { + if (!CRYPTO_memcmp(tag, in + len, cctx->M)) + return len; + } + } + OPENSSL_cleanse(out, len); + return -1; + } +} + static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t len) { - EVP_AES_CCM_CTX *cctx = ctx->cipher_data; + EVP_AES_CCM_CTX *cctx = EVP_C_DATA(EVP_AES_CCM_CTX,ctx); CCM128_CONTEXT *ccm = &cctx->ccm; /* If not set up, return error */ - if (!cctx->iv_set && !cctx->key_set) + if (!cctx->key_set) return -1; - if (!ctx->encrypt && !cctx->tag_set) + + if (cctx->tls_aad_len >= 0) + return aes_ccm_tls_cipher(ctx, out, in, len); + + if (!cctx->iv_set) + return -1; + + if (!EVP_CIPHER_CTX_encrypting(ctx) && !cctx->tag_set) return -1; if (!out) { if (!in) { - if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len)) + if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx), + 15 - cctx->L, len)) return -1; cctx->len_set = 1; return len; @@ -1887,11 +2156,12 @@ static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, return 0; /* If not set length yet do it */ if (!cctx->len_set) { - if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len)) + if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx), + 15 - cctx->L, len)) return -1; cctx->len_set = 1; } - if (ctx->encrypt) { + if (EVP_CIPHER_CTX_encrypting(ctx)) { if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len, cctx->str) : CRYPTO_ccm128_encrypt(ccm, in, out, len)) @@ -1905,7 +2175,8 @@ static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, !CRYPTO_ccm128_decrypt(ccm, in, out, len)) { unsigned char tag[16]; if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) { - if (!CRYPTO_memcmp(tag, ctx->buf, cctx->M)) + if (!CRYPTO_memcmp(tag, EVP_CIPHER_CTX_buf_noconst(ctx), + cctx->M)) rv = len; } } @@ -1916,18 +2187,17 @@ static int aes_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, cctx->len_set = 0; return rv; } - } -# define aes_ccm_cleanup NULL +#define aes_ccm_cleanup NULL BLOCK_CIPHER_custom(NID_aes, 128, 1, 12, ccm, CCM, - EVP_CIPH_FLAG_FIPS | CUSTOM_FLAGS) + EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS) BLOCK_CIPHER_custom(NID_aes, 192, 1, 12, ccm, CCM, - EVP_CIPH_FLAG_FIPS | CUSTOM_FLAGS) + EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS) BLOCK_CIPHER_custom(NID_aes, 256, 1, 12, ccm, CCM, - EVP_CIPH_FLAG_FIPS | CUSTOM_FLAGS) -#endif + EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS) + typedef struct { union { double align; @@ -1940,20 +2210,22 @@ typedef struct { static int aes_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { - EVP_AES_WRAP_CTX *wctx = ctx->cipher_data; + EVP_AES_WRAP_CTX *wctx = EVP_C_DATA(EVP_AES_WRAP_CTX,ctx); if (!iv && !key) return 1; if (key) { - if (ctx->encrypt) - AES_set_encrypt_key(key, ctx->key_len * 8, &wctx->ks.ks); + if (EVP_CIPHER_CTX_encrypting(ctx)) + AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &wctx->ks.ks); else - AES_set_decrypt_key(key, ctx->key_len * 8, &wctx->ks.ks); + AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &wctx->ks.ks); if (!iv) wctx->iv = NULL; } if (iv) { - memcpy(ctx->iv, iv, 8); - wctx->iv = ctx->iv; + memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, EVP_CIPHER_CTX_iv_length(ctx)); + wctx->iv = EVP_CIPHER_CTX_iv_noconst(ctx); } return 1; } @@ -1961,28 +2233,59 @@ static int aes_wrap_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, static int aes_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inlen) { - EVP_AES_WRAP_CTX *wctx = ctx->cipher_data; + EVP_AES_WRAP_CTX *wctx = EVP_C_DATA(EVP_AES_WRAP_CTX,ctx); size_t rv; + /* AES wrap with padding has IV length of 4, without padding 8 */ + int pad = EVP_CIPHER_CTX_iv_length(ctx) == 4; + /* No final operation so always return zero length */ if (!in) return 0; - if (inlen % 8) + /* Input length must always be non-zero */ + if (!inlen) return -1; - if (ctx->encrypt && inlen < 8) + /* If decrypting need at least 16 bytes and multiple of 8 */ + if (!EVP_CIPHER_CTX_encrypting(ctx) && (inlen < 16 || inlen & 0x7)) return -1; - if (!ctx->encrypt && inlen < 16) + /* If not padding input must be multiple of 8 */ + if (!pad && inlen & 0x7) return -1; + if (is_partially_overlapping(out, in, inlen)) { + EVPerr(EVP_F_AES_WRAP_CIPHER, EVP_R_PARTIALLY_OVERLAPPING); + return 0; + } if (!out) { - if (ctx->encrypt) + if (EVP_CIPHER_CTX_encrypting(ctx)) { + /* If padding round up to multiple of 8 */ + if (pad) + inlen = (inlen + 7) / 8 * 8; + /* 8 byte prefix */ return inlen + 8; - else + } else { + /* + * If not padding output will be exactly 8 bytes smaller than + * input. If padding it will be at least 8 bytes smaller but we + * don't know how much. + */ return inlen - 8; + } + } + if (pad) { + if (EVP_CIPHER_CTX_encrypting(ctx)) + rv = CRYPTO_128_wrap_pad(&wctx->ks.ks, wctx->iv, + out, in, inlen, + (block128_f) AES_encrypt); + else + rv = CRYPTO_128_unwrap_pad(&wctx->ks.ks, wctx->iv, + out, in, inlen, + (block128_f) AES_decrypt); + } else { + if (EVP_CIPHER_CTX_encrypting(ctx)) + rv = CRYPTO_128_wrap(&wctx->ks.ks, wctx->iv, + out, in, inlen, (block128_f) AES_encrypt); + else + rv = CRYPTO_128_unwrap(&wctx->ks.ks, wctx->iv, + out, in, inlen, (block128_f) AES_decrypt); } - if (ctx->encrypt) - rv = CRYPTO_128_wrap(&wctx->ks.ks, wctx->iv, out, in, inlen, - (block128_f) AES_encrypt); - else - rv = CRYPTO_128_unwrap(&wctx->ks.ks, wctx->iv, out, in, inlen, - (block128_f) AES_decrypt); return rv ? (int)rv : -1; } @@ -2031,3 +2334,372 @@ const EVP_CIPHER *EVP_aes_256_wrap(void) { return &aes_256_wrap; } + +static const EVP_CIPHER aes_128_wrap_pad = { + NID_id_aes128_wrap_pad, + 8, 16, 4, WRAP_FLAGS, + aes_wrap_init_key, aes_wrap_cipher, + NULL, + sizeof(EVP_AES_WRAP_CTX), + NULL, NULL, NULL, NULL +}; + +const EVP_CIPHER *EVP_aes_128_wrap_pad(void) +{ + return &aes_128_wrap_pad; +} + +static const EVP_CIPHER aes_192_wrap_pad = { + NID_id_aes192_wrap_pad, + 8, 24, 4, WRAP_FLAGS, + aes_wrap_init_key, aes_wrap_cipher, + NULL, + sizeof(EVP_AES_WRAP_CTX), + NULL, NULL, NULL, NULL +}; + +const EVP_CIPHER *EVP_aes_192_wrap_pad(void) +{ + return &aes_192_wrap_pad; +} + +static const EVP_CIPHER aes_256_wrap_pad = { + NID_id_aes256_wrap_pad, + 8, 32, 4, WRAP_FLAGS, + aes_wrap_init_key, aes_wrap_cipher, + NULL, + sizeof(EVP_AES_WRAP_CTX), + NULL, NULL, NULL, NULL +}; + +const EVP_CIPHER *EVP_aes_256_wrap_pad(void) +{ + return &aes_256_wrap_pad; +} + +#ifndef OPENSSL_NO_OCB +static int aes_ocb_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) +{ + EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,c); + EVP_CIPHER_CTX *newc; + EVP_AES_OCB_CTX *new_octx; + + switch (type) { + case EVP_CTRL_INIT: + octx->key_set = 0; + octx->iv_set = 0; + octx->ivlen = EVP_CIPHER_CTX_iv_length(c); + octx->iv = EVP_CIPHER_CTX_iv_noconst(c); + octx->taglen = 16; + octx->data_buf_len = 0; + octx->aad_buf_len = 0; + return 1; + + case EVP_CTRL_AEAD_SET_IVLEN: + /* IV len must be 1 to 15 */ + if (arg <= 0 || arg > 15) + return 0; + + octx->ivlen = arg; + return 1; + + case EVP_CTRL_AEAD_SET_TAG: + if (!ptr) { + /* Tag len must be 0 to 16 */ + if (arg < 0 || arg > 16) + return 0; + + octx->taglen = arg; + return 1; + } + if (arg != octx->taglen || EVP_CIPHER_CTX_encrypting(c)) + return 0; + memcpy(octx->tag, ptr, arg); + return 1; + + case EVP_CTRL_AEAD_GET_TAG: + if (arg != octx->taglen || !EVP_CIPHER_CTX_encrypting(c)) + return 0; + + memcpy(ptr, octx->tag, arg); + return 1; + + case EVP_CTRL_COPY: + newc = (EVP_CIPHER_CTX *)ptr; + new_octx = EVP_C_DATA(EVP_AES_OCB_CTX,newc); + return CRYPTO_ocb128_copy_ctx(&new_octx->ocb, &octx->ocb, + &new_octx->ksenc.ks, + &new_octx->ksdec.ks); + + default: + return -1; + + } +} + +# ifdef HWAES_CAPABLE +# ifdef HWAES_ocb_encrypt +void HWAES_ocb_encrypt(const unsigned char *in, unsigned char *out, + size_t blocks, const void *key, + size_t start_block_num, + unsigned char offset_i[16], + const unsigned char L_[][16], + unsigned char checksum[16]); +# else +# define HWAES_ocb_encrypt ((ocb128_f)NULL) +# endif +# ifdef HWAES_ocb_decrypt +void HWAES_ocb_decrypt(const unsigned char *in, unsigned char *out, + size_t blocks, const void *key, + size_t start_block_num, + unsigned char offset_i[16], + const unsigned char L_[][16], + unsigned char checksum[16]); +# else +# define HWAES_ocb_decrypt ((ocb128_f)NULL) +# endif +# endif + +static int aes_ocb_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, + const unsigned char *iv, int enc) +{ + EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx); + if (!iv && !key) + return 1; + if (key) { + do { + /* + * We set both the encrypt and decrypt key here because decrypt + * needs both. We could possibly optimise to remove setting the + * decrypt for an encryption operation. + */ +# ifdef HWAES_CAPABLE + if (HWAES_CAPABLE) { + HWAES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &octx->ksenc.ks); + HWAES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &octx->ksdec.ks); + if (!CRYPTO_ocb128_init(&octx->ocb, + &octx->ksenc.ks, &octx->ksdec.ks, + (block128_f) HWAES_encrypt, + (block128_f) HWAES_decrypt, + enc ? HWAES_ocb_encrypt + : HWAES_ocb_decrypt)) + return 0; + break; + } +# endif +# ifdef VPAES_CAPABLE + if (VPAES_CAPABLE) { + vpaes_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &octx->ksenc.ks); + vpaes_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &octx->ksdec.ks); + if (!CRYPTO_ocb128_init(&octx->ocb, + &octx->ksenc.ks, &octx->ksdec.ks, + (block128_f) vpaes_encrypt, + (block128_f) vpaes_decrypt, + NULL)) + return 0; + break; + } +# endif + AES_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &octx->ksenc.ks); + AES_set_decrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8, + &octx->ksdec.ks); + if (!CRYPTO_ocb128_init(&octx->ocb, + &octx->ksenc.ks, &octx->ksdec.ks, + (block128_f) AES_encrypt, + (block128_f) AES_decrypt, + NULL)) + return 0; + } + while (0); + + /* + * If we have an iv we can set it directly, otherwise use saved IV. + */ + if (iv == NULL && octx->iv_set) + iv = octx->iv; + if (iv) { + if (CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen) + != 1) + return 0; + octx->iv_set = 1; + } + octx->key_set = 1; + } else { + /* If key set use IV, otherwise copy */ + if (octx->key_set) + CRYPTO_ocb128_setiv(&octx->ocb, iv, octx->ivlen, octx->taglen); + else + memcpy(octx->iv, iv, octx->ivlen); + octx->iv_set = 1; + } + return 1; +} + +static int aes_ocb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t len) +{ + unsigned char *buf; + int *buf_len; + int written_len = 0; + size_t trailing_len; + EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,ctx); + + /* If IV or Key not set then return error */ + if (!octx->iv_set) + return -1; + + if (!octx->key_set) + return -1; + + if (in != NULL) { + /* + * Need to ensure we are only passing full blocks to low level OCB + * routines. We do it here rather than in EVP_EncryptUpdate/ + * EVP_DecryptUpdate because we need to pass full blocks of AAD too + * and those routines don't support that + */ + + /* Are we dealing with AAD or normal data here? */ + if (out == NULL) { + buf = octx->aad_buf; + buf_len = &(octx->aad_buf_len); + } else { + buf = octx->data_buf; + buf_len = &(octx->data_buf_len); + + if (is_partially_overlapping(out + *buf_len, in, len)) { + EVPerr(EVP_F_AES_OCB_CIPHER, EVP_R_PARTIALLY_OVERLAPPING); + return 0; + } + } + + /* + * If we've got a partially filled buffer from a previous call then + * use that data first + */ + if (*buf_len > 0) { + unsigned int remaining; + + remaining = AES_BLOCK_SIZE - (*buf_len); + if (remaining > len) { + memcpy(buf + (*buf_len), in, len); + *(buf_len) += len; + return 0; + } + memcpy(buf + (*buf_len), in, remaining); + + /* + * If we get here we've filled the buffer, so process it + */ + len -= remaining; + in += remaining; + if (out == NULL) { + if (!CRYPTO_ocb128_aad(&octx->ocb, buf, AES_BLOCK_SIZE)) + return -1; + } else if (EVP_CIPHER_CTX_encrypting(ctx)) { + if (!CRYPTO_ocb128_encrypt(&octx->ocb, buf, out, + AES_BLOCK_SIZE)) + return -1; + } else { + if (!CRYPTO_ocb128_decrypt(&octx->ocb, buf, out, + AES_BLOCK_SIZE)) + return -1; + } + written_len = AES_BLOCK_SIZE; + *buf_len = 0; + if (out != NULL) + out += AES_BLOCK_SIZE; + } + + /* Do we have a partial block to handle at the end? */ + trailing_len = len % AES_BLOCK_SIZE; + + /* + * If we've got some full blocks to handle, then process these first + */ + if (len != trailing_len) { + if (out == NULL) { + if (!CRYPTO_ocb128_aad(&octx->ocb, in, len - trailing_len)) + return -1; + } else if (EVP_CIPHER_CTX_encrypting(ctx)) { + if (!CRYPTO_ocb128_encrypt + (&octx->ocb, in, out, len - trailing_len)) + return -1; + } else { + if (!CRYPTO_ocb128_decrypt + (&octx->ocb, in, out, len - trailing_len)) + return -1; + } + written_len += len - trailing_len; + in += len - trailing_len; + } + + /* Handle any trailing partial block */ + if (trailing_len > 0) { + memcpy(buf, in, trailing_len); + *buf_len = trailing_len; + } + + return written_len; + } else { + /* + * First of all empty the buffer of any partial block that we might + * have been provided - both for data and AAD + */ + if (octx->data_buf_len > 0) { + if (EVP_CIPHER_CTX_encrypting(ctx)) { + if (!CRYPTO_ocb128_encrypt(&octx->ocb, octx->data_buf, out, + octx->data_buf_len)) + return -1; + } else { + if (!CRYPTO_ocb128_decrypt(&octx->ocb, octx->data_buf, out, + octx->data_buf_len)) + return -1; + } + written_len = octx->data_buf_len; + octx->data_buf_len = 0; + } + if (octx->aad_buf_len > 0) { + if (!CRYPTO_ocb128_aad + (&octx->ocb, octx->aad_buf, octx->aad_buf_len)) + return -1; + octx->aad_buf_len = 0; + } + /* If decrypting then verify */ + if (!EVP_CIPHER_CTX_encrypting(ctx)) { + if (octx->taglen < 0) + return -1; + if (CRYPTO_ocb128_finish(&octx->ocb, + octx->tag, octx->taglen) != 0) + return -1; + octx->iv_set = 0; + return written_len; + } + /* If encrypting then just get the tag */ + if (CRYPTO_ocb128_tag(&octx->ocb, octx->tag, 16) != 1) + return -1; + /* Don't reuse the IV */ + octx->iv_set = 0; + return written_len; + } +} + +static int aes_ocb_cleanup(EVP_CIPHER_CTX *c) +{ + EVP_AES_OCB_CTX *octx = EVP_C_DATA(EVP_AES_OCB_CTX,c); + CRYPTO_ocb128_cleanup(&octx->ocb); + return 1; +} + +BLOCK_CIPHER_custom(NID_aes, 128, 16, 12, ocb, OCB, + EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS) +BLOCK_CIPHER_custom(NID_aes, 192, 16, 12, ocb, OCB, + EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS) +BLOCK_CIPHER_custom(NID_aes, 256, 16, 12, ocb, OCB, + EVP_CIPH_FLAG_AEAD_CIPHER | CUSTOM_FLAGS) +#endif /* OPENSSL_NO_OCB */ |