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Handle NULL parameter in some EVP utility functions.

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This commit is contained in:
Dr. Stephen Henson 2007-05-31 12:39:21 +00:00
parent 0aa08a2e34
commit 18096abb29
1 changed files with 4 additions and 0 deletions
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4
crypto/evp/evp_lib.c
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@ -255,11 +255,15 @@ int EVP_MD_pkey_type(const EVP_MD *md)
int EVP_MD_size(const EVP_MD *md) int EVP_MD_size(const EVP_MD *md)
{ {
if (!md)
return -1;
return md->md_size; return md->md_size;
} }
const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx) const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx)
{ {
if (!ctx)
return NULL;
return ctx->digest; return ctx->digest;
} }