diff options
Diffstat (limited to 'deps/openssl/openssl/crypto/evp/e_des3.c')
| -rw-r--r-- | deps/openssl/openssl/crypto/evp/e_des3.c | 272 |
1 files changed, 223 insertions, 49 deletions
diff --git a/deps/openssl/openssl/crypto/evp/e_des3.c b/deps/openssl/openssl/crypto/evp/e_des3.c index 07a5aca606..301d93e13d 100644 --- a/deps/openssl/openssl/crypto/evp/e_des3.c +++ b/deps/openssl/openssl/crypto/evp/e_des3.c @@ -65,7 +65,38 @@ # include <openssl/des.h> # include <openssl/rand.h> -# ifndef OPENSSL_FIPS +/* Block use of implementations in FIPS mode */ +# undef EVP_CIPH_FLAG_FIPS +# define EVP_CIPH_FLAG_FIPS 0 + +typedef struct { + union { + double align; + DES_key_schedule ks[3]; + } ks; + union { + void (*cbc) (const void *, void *, size_t, const void *, void *); + } stream; +} DES_EDE_KEY; +# define ks1 ks.ks[0] +# define ks2 ks.ks[1] +# define ks3 ks.ks[2] + +# if defined(AES_ASM) && (defined(__sparc) || defined(__sparc__)) +/* ---------^^^ this is not a typo, just a way to detect that + * assembler support was in general requested... */ +# include "sparc_arch.h" + +extern unsigned int OPENSSL_sparcv9cap_P[]; + +# define SPARC_DES_CAPABLE (OPENSSL_sparcv9cap_P[1] & CFR_DES) + +void des_t4_key_expand(const void *key, DES_key_schedule *ks); +void des_t4_ede3_cbc_encrypt(const void *inp, void *out, size_t len, + DES_key_schedule *ks, unsigned char iv[8]); +void des_t4_ede3_cbc_decrypt(const void *inp, void *out, size_t len, + DES_key_schedule *ks, unsigned char iv[8]); +# endif static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc); @@ -75,13 +106,7 @@ static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, static int des3_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr); -typedef struct { - DES_key_schedule ks1; /* key schedule */ - DES_key_schedule ks2; /* key schedule (for ede) */ - DES_key_schedule ks3; /* key schedule (for ede3) */ -} DES_EDE_KEY; - -# define data(ctx) ((DES_EDE_KEY *)(ctx)->cipher_data) +# define data(ctx) ((DES_EDE_KEY *)(ctx)->cipher_data) /* * Because of various casts and different args can't use @@ -123,7 +148,9 @@ static int des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) { -# ifdef KSSL_DEBUG + DES_EDE_KEY *dat = data(ctx); + +# ifdef KSSL_DEBUG { int i; fprintf(stderr, "des_ede_cbc_cipher(ctx=%p, buflen=%d)\n", ctx, @@ -133,21 +160,24 @@ static int des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, fprintf(stderr, "%02X", ctx->iv[i]); fprintf(stderr, "\n"); } -# endif /* KSSL_DEBUG */ +# endif /* KSSL_DEBUG */ + if (dat->stream.cbc) { + (*dat->stream.cbc) (in, out, inl, &dat->ks, ctx->iv); + return 1; + } + while (inl >= EVP_MAXCHUNK) { DES_ede3_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, - &data(ctx)->ks1, &data(ctx)->ks2, - &data(ctx)->ks3, (DES_cblock *)ctx->iv, - ctx->encrypt); + &dat->ks1, &dat->ks2, &dat->ks3, + (DES_cblock *)ctx->iv, ctx->encrypt); inl -= EVP_MAXCHUNK; in += EVP_MAXCHUNK; out += EVP_MAXCHUNK; } if (inl) DES_ede3_cbc_encrypt(in, out, (long)inl, - &data(ctx)->ks1, &data(ctx)->ks2, - &data(ctx)->ks3, (DES_cblock *)ctx->iv, - ctx->encrypt); + &dat->ks1, &dat->ks2, &dat->ks3, + (DES_cblock *)ctx->iv, ctx->encrypt); return 1; } @@ -215,39 +245,57 @@ static int des_ede3_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, } BLOCK_CIPHER_defs(des_ede, DES_EDE_KEY, NID_des_ede, 8, 16, 8, 64, - EVP_CIPH_RAND_KEY, des_ede_init_key, NULL, - EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, des3_ctrl) -# define des_ede3_cfb64_cipher des_ede_cfb64_cipher -# define des_ede3_ofb_cipher des_ede_ofb_cipher -# define des_ede3_cbc_cipher des_ede_cbc_cipher -# define des_ede3_ecb_cipher des_ede_ecb_cipher + EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_DEFAULT_ASN1, + des_ede_init_key, NULL, NULL, NULL, des3_ctrl) +# define des_ede3_cfb64_cipher des_ede_cfb64_cipher +# define des_ede3_ofb_cipher des_ede_ofb_cipher +# define des_ede3_cbc_cipher des_ede_cbc_cipher +# define des_ede3_ecb_cipher des_ede_ecb_cipher BLOCK_CIPHER_defs(des_ede3, DES_EDE_KEY, NID_des_ede3, 8, 24, 8, 64, - EVP_CIPH_RAND_KEY, des_ede3_init_key, NULL, - EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, des3_ctrl) + EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_FIPS | + EVP_CIPH_FLAG_DEFAULT_ASN1, des_ede3_init_key, NULL, NULL, NULL, + des3_ctrl) BLOCK_CIPHER_def_cfb(des_ede3, DES_EDE_KEY, NID_des_ede3, 24, 8, 1, - EVP_CIPH_RAND_KEY, des_ede3_init_key, NULL, - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, des3_ctrl) + EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_FIPS | + EVP_CIPH_FLAG_DEFAULT_ASN1, des_ede3_init_key, NULL, NULL, + NULL, des3_ctrl) BLOCK_CIPHER_def_cfb(des_ede3, DES_EDE_KEY, NID_des_ede3, 24, 8, 8, - EVP_CIPH_RAND_KEY, des_ede3_init_key, NULL, - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, des3_ctrl) + EVP_CIPH_RAND_KEY | EVP_CIPH_FLAG_FIPS | + EVP_CIPH_FLAG_DEFAULT_ASN1, des_ede3_init_key, NULL, NULL, + NULL, des3_ctrl) static int des_ede_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { DES_cblock *deskey = (DES_cblock *)key; -# ifdef EVP_CHECK_DES_KEY - if (DES_set_key_checked(&deskey[0], &data(ctx)->ks1) - ! !DES_set_key_checked(&deskey[1], &data(ctx)->ks2)) + DES_EDE_KEY *dat = data(ctx); + + dat->stream.cbc = NULL; +# if defined(SPARC_DES_CAPABLE) + if (SPARC_DES_CAPABLE) { + int mode = ctx->cipher->flags & EVP_CIPH_MODE; + + if (mode == EVP_CIPH_CBC_MODE) { + des_t4_key_expand(&deskey[0], &dat->ks1); + des_t4_key_expand(&deskey[1], &dat->ks2); + memcpy(&dat->ks3, &dat->ks1, sizeof(dat->ks1)); + dat->stream.cbc = enc ? des_t4_ede3_cbc_encrypt : + des_t4_ede3_cbc_decrypt; + return 1; + } + } +# endif +# ifdef EVP_CHECK_DES_KEY + if (DES_set_key_checked(&deskey[0], &dat->ks1) + ! !DES_set_key_checked(&deskey[1], &dat->ks2)) return 0; -# else - DES_set_key_unchecked(&deskey[0], &data(ctx)->ks1); - DES_set_key_unchecked(&deskey[1], &data(ctx)->ks2); -# endif - memcpy(&data(ctx)->ks3, &data(ctx)->ks1, sizeof(data(ctx)->ks1)); +# else + DES_set_key_unchecked(&deskey[0], &dat->ks1); + DES_set_key_unchecked(&deskey[1], &dat->ks2); +# endif + memcpy(&dat->ks3, &dat->ks1, sizeof(dat->ks1)); return 1; } @@ -255,7 +303,9 @@ static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, const unsigned char *iv, int enc) { DES_cblock *deskey = (DES_cblock *)key; -# ifdef KSSL_DEBUG + DES_EDE_KEY *dat = data(ctx); + +# ifdef KSSL_DEBUG { int i; fprintf(stderr, "des_ede3_init_key(ctx=%p)\n", ctx); @@ -270,18 +320,33 @@ static int des_ede3_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, fprintf(stderr, "\n"); } } -# endif /* KSSL_DEBUG */ +# endif /* KSSL_DEBUG */ -# ifdef EVP_CHECK_DES_KEY - if (DES_set_key_checked(&deskey[0], &data(ctx)->ks1) - || DES_set_key_checked(&deskey[1], &data(ctx)->ks2) - || DES_set_key_checked(&deskey[2], &data(ctx)->ks3)) + dat->stream.cbc = NULL; +# if defined(SPARC_DES_CAPABLE) + if (SPARC_DES_CAPABLE) { + int mode = ctx->cipher->flags & EVP_CIPH_MODE; + + if (mode == EVP_CIPH_CBC_MODE) { + des_t4_key_expand(&deskey[0], &dat->ks1); + des_t4_key_expand(&deskey[1], &dat->ks2); + des_t4_key_expand(&deskey[2], &dat->ks3); + dat->stream.cbc = enc ? des_t4_ede3_cbc_encrypt : + des_t4_ede3_cbc_decrypt; + return 1; + } + } +# endif +# ifdef EVP_CHECK_DES_KEY + if (DES_set_key_checked(&deskey[0], &dat->ks1) + || DES_set_key_checked(&deskey[1], &dat->ks2) + || DES_set_key_checked(&deskey[2], &dat->ks3)) return 0; -# else - DES_set_key_unchecked(&deskey[0], &data(ctx)->ks1); - DES_set_key_unchecked(&deskey[1], &data(ctx)->ks2); - DES_set_key_unchecked(&deskey[2], &data(ctx)->ks3); -# endif +# else + DES_set_key_unchecked(&deskey[0], &dat->ks1); + DES_set_key_unchecked(&deskey[1], &dat->ks2); + DES_set_key_unchecked(&deskey[2], &dat->ks3); +# endif return 1; } @@ -315,5 +380,114 @@ const EVP_CIPHER *EVP_des_ede3(void) { return &des_ede3_ecb; } + +# ifndef OPENSSL_NO_SHA + +# include <openssl/sha.h> + +static const unsigned char wrap_iv[8] = + { 0x4a, 0xdd, 0xa2, 0x2c, 0x79, 0xe8, 0x21, 0x05 }; + +static int des_ede3_unwrap(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl) +{ + unsigned char icv[8], iv[8], sha1tmp[SHA_DIGEST_LENGTH]; + int rv = -1; + if (inl < 24) + return -1; + if (!out) + return inl - 16; + memcpy(ctx->iv, wrap_iv, 8); + /* Decrypt first block which will end up as icv */ + des_ede_cbc_cipher(ctx, icv, in, 8); + /* Decrypt central blocks */ + /* + * If decrypting in place move whole output along a block so the next + * des_ede_cbc_cipher is in place. + */ + if (out == in) { + memmove(out, out + 8, inl - 8); + in -= 8; + } + des_ede_cbc_cipher(ctx, out, in + 8, inl - 16); + /* Decrypt final block which will be IV */ + des_ede_cbc_cipher(ctx, iv, in + inl - 8, 8); + /* Reverse order of everything */ + BUF_reverse(icv, NULL, 8); + BUF_reverse(out, NULL, inl - 16); + BUF_reverse(ctx->iv, iv, 8); + /* Decrypt again using new IV */ + des_ede_cbc_cipher(ctx, out, out, inl - 16); + des_ede_cbc_cipher(ctx, icv, icv, 8); + /* Work out SHA1 hash of first portion */ + SHA1(out, inl - 16, sha1tmp); + + if (!CRYPTO_memcmp(sha1tmp, icv, 8)) + rv = inl - 16; + OPENSSL_cleanse(icv, 8); + OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH); + OPENSSL_cleanse(iv, 8); + OPENSSL_cleanse(ctx->iv, 8); + if (rv == -1) + OPENSSL_cleanse(out, inl - 16); + + return rv; +} + +static int des_ede3_wrap(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl) +{ + unsigned char sha1tmp[SHA_DIGEST_LENGTH]; + if (!out) + return inl + 16; + /* Copy input to output buffer + 8 so we have space for IV */ + memmove(out + 8, in, inl); + /* Work out ICV */ + SHA1(in, inl, sha1tmp); + memcpy(out + inl + 8, sha1tmp, 8); + OPENSSL_cleanse(sha1tmp, SHA_DIGEST_LENGTH); + /* Generate random IV */ + RAND_bytes(ctx->iv, 8); + memcpy(out, ctx->iv, 8); + /* Encrypt everything after IV in place */ + des_ede_cbc_cipher(ctx, out + 8, out + 8, inl + 8); + BUF_reverse(out, NULL, inl + 16); + memcpy(ctx->iv, wrap_iv, 8); + des_ede_cbc_cipher(ctx, out, out, inl + 16); + return inl + 16; +} + +static int des_ede3_wrap_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, + const unsigned char *in, size_t inl) +{ + /* + * Sanity check input length: we typically only wrap keys so EVP_MAXCHUNK + * is more than will ever be needed. Also input length must be a multiple + * of 8 bits. + */ + if (inl >= EVP_MAXCHUNK || inl % 8) + return -1; + if (ctx->encrypt) + return des_ede3_wrap(ctx, out, in, inl); + else + return des_ede3_unwrap(ctx, out, in, inl); +} + +static const EVP_CIPHER des3_wrap = { + NID_id_smime_alg_CMS3DESwrap, + 8, 24, 0, + EVP_CIPH_WRAP_MODE | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER + | EVP_CIPH_FLAG_DEFAULT_ASN1, + des_ede3_init_key, des_ede3_wrap_cipher, + NULL, + sizeof(DES_EDE_KEY), + NULL, NULL, NULL, NULL +}; + +const EVP_CIPHER *EVP_des_ede3_wrap(void) +{ + return &des3_wrap; +} + # endif #endif |