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 | |
| 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)
| -rw-r--r-- | crypto/evp/pkey_mac.c | 12 | ||||
| -rw-r--r-- | crypto/kdf/sskdf.c | 8 | ||||
| -rw-r--r-- | crypto/modes/siv128.c | 4 |
3 files changed, 12 insertions, 12 deletions
diff --git a/crypto/evp/pkey_mac.c b/crypto/evp/pkey_mac.c index 858ca28754..fc627f17b6 100644 --- a/crypto/evp/pkey_mac.c +++ b/crypto/evp/pkey_mac.c @@ -231,9 +231,9 @@ static int pkey_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) int rv; if ((rv = EVP_MAC_ctrl(hctx->ctx, EVP_MAC_CTRL_SET_ENGINE, - ctx->engine)) < 0 + ctx->engine)) <= 0 || (rv = EVP_MAC_ctrl(hctx->ctx, EVP_MAC_CTRL_SET_CIPHER, - p2)) < 0 + p2)) <= 0 || !(rv = EVP_MAC_init(hctx->ctx))) return rv; } @@ -275,7 +275,7 @@ static int pkey_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) return 0; break; case MAC_TYPE_MAC: - if (!EVP_MAC_ctrl(hctx->ctx, EVP_MAC_CTRL_SET_KEY, p2, p1)) + if (EVP_MAC_ctrl(hctx->ctx, EVP_MAC_CTRL_SET_KEY, p2, p1) <= 0) return 0; break; default: @@ -296,11 +296,11 @@ static int pkey_mac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) (ASN1_OCTET_STRING *)ctx->pkey->pkey.ptr; if ((rv = EVP_MAC_ctrl(hctx->ctx, EVP_MAC_CTRL_SET_ENGINE, - ctx->engine)) < 0 + ctx->engine)) <= 0 || (rv = EVP_MAC_ctrl(hctx->ctx, EVP_MAC_CTRL_SET_MD, - hctx->raw_data.md)) < 0 + hctx->raw_data.md)) <= 0 || (rv = EVP_MAC_ctrl(hctx->ctx, EVP_MAC_CTRL_SET_KEY, - key->data, key->length)) < 0) + key->data, key->length)) <= 0) return rv; } break; 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, diff --git a/crypto/modes/siv128.c b/crypto/modes/siv128.c index 99b11d179a..f812d0a727 100644 --- a/crypto/modes/siv128.c +++ b/crypto/modes/siv128.c @@ -166,8 +166,8 @@ int CRYPTO_siv128_init(SIV128_CONTEXT *ctx, const unsigned char *key, int klen, || (ctx->cipher_ctx = EVP_CIPHER_CTX_new()) == NULL || (ctx->mac_ctx_init = EVP_MAC_CTX_new_id(EVP_MAC_CMAC)) == NULL || (ctx->mac_ctx = EVP_MAC_CTX_new_id(EVP_MAC_CMAC)) == NULL - || !EVP_MAC_ctrl(ctx->mac_ctx_init, EVP_MAC_CTRL_SET_CIPHER, cbc) - || !EVP_MAC_ctrl(ctx->mac_ctx_init, EVP_MAC_CTRL_SET_KEY, key, klen) + || EVP_MAC_ctrl(ctx->mac_ctx_init, EVP_MAC_CTRL_SET_CIPHER, cbc) <= 0 + || EVP_MAC_ctrl(ctx->mac_ctx_init, EVP_MAC_CTRL_SET_KEY, key, klen) <= 0 || !EVP_EncryptInit_ex(ctx->cipher_ctx, ctr, NULL, key + klen, NULL) || !EVP_MAC_CTX_copy(ctx->mac_ctx, ctx->mac_ctx_init) || !EVP_MAC_update(ctx->mac_ctx, zero, sizeof(zero)) |