diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2012-10-16 22:46:32 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2012-10-16 22:46:32 +0000 |
commit | 9a6aff50ff70f19a10bbe1281f99bc5eb192efc7 (patch) | |
tree | 79e93fe1a651bc14447cb9ab18150400855b103e /crypto/evp | |
parent | c7d16ac8daebc9bf90faa063c8624e8a454bdd6f (diff) |
Don't require tag before ciphertext in AESGCM mode
Diffstat (limited to 'crypto/evp')
-rw-r--r-- | crypto/evp/e_aes.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/evp/e_aes.c b/crypto/evp/e_aes.c index 11d728bbc2..763b90729e 100644 --- a/crypto/evp/e_aes.c +++ b/crypto/evp/e_aes.c @@ -973,8 +973,6 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, if (!gctx->iv_set) return -1; - if (!ctx->encrypt && gctx->taglen < 0) - return -1; if (in) { if (out == NULL) @@ -1016,6 +1014,8 @@ static int aes_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, { if (!ctx->encrypt) { + if (gctx->taglen < 0) + return -1; if (CRYPTO_gcm128_finish(&gctx->gcm, ctx->buf, gctx->taglen) != 0) return -1; |