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authorDr. Stephen Henson <steve@openssl.org>2016-06-18 15:46:13 +0100
committerDr. Stephen Henson <steve@openssl.org>2016-07-15 14:09:05 +0100
commitd166ed8c11e10e9fdaeac182effb9dd318843924 (patch)
treefd47ffb1f5d42b121b04d14c1a8f6bdc659637f6 /ssl/s3_cbc.c
parent1fc431ba57d12189a9bdacd3999ea2a7b91458d8 (diff)
check return values for EVP_Digest*() APIs
Reviewed-by: Richard Levitte <levitte@openssl.org>
Diffstat (limited to 'ssl/s3_cbc.c')
-rw-r--r--ssl/s3_cbc.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/ssl/s3_cbc.c b/ssl/s3_cbc.c
index 7cdabbb761..febd88a117 100644
--- a/ssl/s3_cbc.c
+++ b/ssl/s3_cbc.c
@@ -490,13 +490,13 @@ err:
* digesting additional data.
*/
-void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx,
+int tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx,
EVP_MD_CTX *mac_ctx, const unsigned char *data,
size_t data_len, size_t orig_len)
{
size_t block_size, digest_pad, blocks_data, blocks_orig;
if (EVP_CIPHER_CTX_mode(cipher_ctx) != EVP_CIPH_CBC_MODE)
- return;
+ return 1;
block_size = EVP_MD_CTX_block_size(mac_ctx);
/*-
* We are in FIPS mode if we get this far so we know we have only SHA*
@@ -526,6 +526,6 @@ void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx,
* The "data" pointer should always have enough space to perform this
* operation as it is large enough for a maximum length TLS buffer.
*/
- EVP_DigestSignUpdate(mac_ctx, data,
- (blocks_orig - blocks_data + 1) * block_size);
+ return EVP_DigestSignUpdate(mac_ctx, data,
+ (blocks_orig - blocks_data + 1) * block_size);
}