diff options
Diffstat (limited to 'deps/openssl/openssl/crypto/dh/dh_pmeth.c')
-rw-r--r-- | deps/openssl/openssl/crypto/dh/dh_pmeth.c | 62 |
1 files changed, 54 insertions, 8 deletions
diff --git a/deps/openssl/openssl/crypto/dh/dh_pmeth.c b/deps/openssl/openssl/crypto/dh/dh_pmeth.c index c3e03c7a42..cce2d9e26e 100644 --- a/deps/openssl/openssl/crypto/dh/dh_pmeth.c +++ b/deps/openssl/openssl/crypto/dh/dh_pmeth.c @@ -1,5 +1,5 @@ /* - * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 2006-2018 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 @@ -26,9 +26,11 @@ typedef struct { int generator; int use_dsa; int subprime_len; + int pad; /* message digest used for parameter generation */ const EVP_MD *md; int rfc5114_param; + int param_nid; /* Keygen callback info */ int gentmp[2]; /* KDF (if any) to use for DH */ @@ -48,9 +50,10 @@ static int pkey_dh_init(EVP_PKEY_CTX *ctx) { DH_PKEY_CTX *dctx; - dctx = OPENSSL_zalloc(sizeof(*dctx)); - if (dctx == NULL) + if ((dctx = OPENSSL_zalloc(sizeof(*dctx))) == NULL) { + DHerr(DH_F_PKEY_DH_INIT, ERR_R_MALLOC_FAILURE); return 0; + } dctx->prime_len = 1024; dctx->subprime_len = -1; dctx->generator = 2; @@ -85,8 +88,10 @@ static int pkey_dh_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src) dctx->subprime_len = sctx->subprime_len; dctx->generator = sctx->generator; dctx->use_dsa = sctx->use_dsa; + dctx->pad = sctx->pad; dctx->md = sctx->md; dctx->rfc5114_param = sctx->rfc5114_param; + dctx->param_nid = sctx->param_nid; dctx->kdf_type = sctx->kdf_type; dctx->kdf_oid = OBJ_dup(sctx->kdf_oid); @@ -119,6 +124,10 @@ static int pkey_dh_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) dctx->subprime_len = p1; return 1; + case EVP_PKEY_CTRL_DH_PAD: + dctx->pad = p1; + return 1; + case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR: if (dctx->use_dsa) return -2; @@ -137,11 +146,17 @@ static int pkey_dh_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) return 1; case EVP_PKEY_CTRL_DH_RFC5114: - if (p1 < 1 || p1 > 3) + if (p1 < 1 || p1 > 3 || dctx->param_nid != NID_undef) return -2; dctx->rfc5114_param = p1; return 1; + case EVP_PKEY_CTRL_DH_NID: + if (p1 <= 0 || dctx->rfc5114_param != 0) + return -2; + dctx->param_nid = p1; + return 1; + case EVP_PKEY_CTRL_PEER_KEY: /* Default behaviour is OK */ return 1; @@ -221,6 +236,17 @@ static int pkey_dh_ctrl_str(EVP_PKEY_CTX *ctx, dctx->rfc5114_param = len; return 1; } + if (strcmp(type, "dh_param") == 0) { + DH_PKEY_CTX *dctx = ctx->data; + int nid = OBJ_sn2nid(value); + + if (nid == NID_undef) { + DHerr(DH_F_PKEY_DH_CTRL_STR, DH_R_INVALID_PARAMETER_NAME); + return -2; + } + dctx->param_nid = nid; + return 1; + } if (strcmp(type, "dh_paramgen_generator") == 0) { int len; len = atoi(value); @@ -236,6 +262,11 @@ static int pkey_dh_ctrl_str(EVP_PKEY_CTX *ctx, typ = atoi(value); return EVP_PKEY_CTX_set_dh_paramgen_type(ctx, typ); } + if (strcmp(type, "dh_pad") == 0) { + int pad; + pad = atoi(value); + return EVP_PKEY_CTX_set_dh_pad(ctx, pad); + } return -2; } @@ -320,6 +351,13 @@ static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) return 1; } + if (dctx->param_nid != 0) { + if ((dh = DH_new_by_nid(dctx->param_nid)) == NULL) + return 0; + EVP_PKEY_assign(pkey, EVP_PKEY_DH, dh); + return 1; + } + if (ctx->pkey_gencb) { pcb = BN_GENCB_new(); if (pcb == NULL) @@ -359,17 +397,22 @@ static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) static int pkey_dh_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) { + DH_PKEY_CTX *dctx = ctx->data; DH *dh = NULL; - if (ctx->pkey == NULL) { + + if (ctx->pkey == NULL && dctx->param_nid == 0) { DHerr(DH_F_PKEY_DH_KEYGEN, DH_R_NO_PARAMETERS_SET); return 0; } - dh = DH_new(); + if (dctx->param_nid != 0) + dh = DH_new_by_nid(dctx->param_nid); + else + dh = DH_new(); if (dh == NULL) return 0; EVP_PKEY_assign(pkey, ctx->pmeth->pkey_id, dh); /* Note: if error return, pkey is freed by parent routine */ - if (!EVP_PKEY_copy_parameters(pkey, ctx->pkey)) + if (ctx->pkey != NULL && !EVP_PKEY_copy_parameters(pkey, ctx->pkey)) return 0; return DH_generate_key(pkey->pkey.dh); } @@ -392,7 +435,10 @@ static int pkey_dh_derive(EVP_PKEY_CTX *ctx, unsigned char *key, *keylen = DH_size(dh); return 1; } - ret = DH_compute_key(key, dhpub, dh); + if (dctx->pad) + ret = DH_compute_key_padded(key, dhpub, dh); + else + ret = DH_compute_key(key, dhpub, dh); if (ret < 0) return ret; *keylen = ret; |