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PR: 2124

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Submitted by: Jan Pechanec <Jan.Pechanec@Sun.COM>

Check for memory allocation failures.
This commit is contained in:
Dr. Stephen Henson
2009-12-09 13:38:05 +00:00
parent 7661ccadf0
commit fdb2c6e4e5
4 changed files with 59 additions and 9 deletions
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16
crypto/evp/digest.c
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@@ -126,7 +126,8 @@ 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;
}
@@ -286,8 +287,17 @@ int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in)
if (in->md_data && 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);
}