diff options
Diffstat (limited to 'crypto/openssl/crypto/evp/digest.c')
| -rw-r--r-- | crypto/openssl/crypto/evp/digest.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/crypto/openssl/crypto/evp/digest.c b/crypto/openssl/crypto/evp/digest.c index 3bc2d12..6a8f39b 100644 --- a/crypto/openssl/crypto/evp/digest.c +++ b/crypto/openssl/crypto/evp/digest.c @@ -127,7 +127,8 @@ EVP_MD_CTX *EVP_MD_CTX_create(void) { EVP_MD_CTX *ctx=OPENSSL_malloc(sizeof *ctx); - EVP_MD_CTX_init(ctx); + if (ctx) + EVP_MD_CTX_init(ctx); return ctx; } @@ -299,7 +300,14 @@ int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl) OPENSSL_free(ctx->md_data); ctx->digest=type; if (type->ctx_size) + { ctx->md_data=OPENSSL_malloc(type->ctx_size); + if (!ctx->md_data) + { + EVPerr(EVP_F_EVP_DIGESTINIT_EX, ERR_R_MALLOC_FAILURE); + return 0; + } + } } #ifndef OPENSSL_NO_ENGINE skip_to_init: @@ -380,8 +388,17 @@ int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in) if (out->digest->ctx_size) { - if (tmp_buf) out->md_data = tmp_buf; - else out->md_data=OPENSSL_malloc(out->digest->ctx_size); + if (tmp_buf) + out->md_data = tmp_buf; + else + { + out->md_data=OPENSSL_malloc(out->digest->ctx_size); + if (!out->md_data) + { + EVPerr(EVP_F_EVP_MD_CTX_COPY_EX,ERR_R_MALLOC_FAILURE); + return 0; + } + } memcpy(out->md_data,in->md_data,out->digest->ctx_size); } |
