diff options
| author | Matt Caswell <matt@openssl.org> | 2019-03-26 12:11:12 +0000 |
|---|---|---|
| committer | Matt Caswell <matt@openssl.org> | 2019-03-27 14:31:56 +0000 |
| commit | 17838470617afd50813a66adcebad2e6e17de79c (patch) | |
| tree | db2ab932b6b858e87517d46e3b0d839c413d27b1 /crypto/kdf | |
| parent | 183f52e29af27285ea4ed7c947b71c83618f8702 (diff) | |
Correctly check the return code of EVP_MAC_ctrl everwhere it is used
EVP_MAC_ctrl is documented to return 0 or -1 on failure. Numerous places
were not getting this check correct.
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/8584)
Diffstat (limited to 'crypto/kdf')
| -rw-r--r-- | crypto/kdf/sskdf.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/crypto/kdf/sskdf.c b/crypto/kdf/sskdf.c index e999b54b77..935428f77f 100644 --- a/crypto/kdf/sskdf.c +++ b/crypto/kdf/sskdf.c @@ -138,7 +138,7 @@ static int kmac_init(EVP_MAC_CTX *ctx, const unsigned char *custom, if (custom == NULL) return 1; - if (!EVP_MAC_ctrl(ctx, EVP_MAC_CTRL_SET_CUSTOM, custom, custom_len)) + if (EVP_MAC_ctrl(ctx, EVP_MAC_CTRL_SET_CUSTOM, custom, custom_len) <= 0) return 0; /* By default only do one iteration if kmac_out_len is not specified */ @@ -153,7 +153,7 @@ static int kmac_init(EVP_MAC_CTX *ctx, const unsigned char *custom, || kmac_out_len == 64)) return 0; - if (!EVP_MAC_ctrl(ctx, EVP_MAC_CTRL_SET_SIZE, kmac_out_len)) + if (EVP_MAC_ctrl(ctx, EVP_MAC_CTRL_SET_SIZE, kmac_out_len) <= 0) return 0; /* @@ -200,10 +200,10 @@ static int SSKDF_mac_kdm(const EVP_MAC *kdf_mac, const EVP_MD *hmac_md, if (ctx == NULL || ctx_init == NULL) goto end; if (hmac_md != NULL && - !EVP_MAC_ctrl(ctx_init, EVP_MAC_CTRL_SET_MD, hmac_md)) + EVP_MAC_ctrl(ctx_init, EVP_MAC_CTRL_SET_MD, hmac_md) <= 0) goto end; - if (!EVP_MAC_ctrl(ctx_init, EVP_MAC_CTRL_SET_KEY, salt, salt_len)) + if (EVP_MAC_ctrl(ctx_init, EVP_MAC_CTRL_SET_KEY, salt, salt_len) <= 0) goto end; if (!kmac_init(ctx_init, kmac_custom, kmac_custom_len, kmac_out_len, |