diff options
Diffstat (limited to 'crypto/evp/evp_lib.c')
| -rw-r--r-- | crypto/evp/evp_lib.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/crypto/evp/evp_lib.c b/crypto/evp/evp_lib.c index 1b3c9840c6fc..4935c2a94a1a 100644 --- a/crypto/evp/evp_lib.c +++ b/crypto/evp/evp_lib.c @@ -1,5 +1,5 @@ /* - * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy @@ -242,6 +242,13 @@ int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher) int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx) { + int i, rv; + + if ((EVP_CIPHER_flags(ctx->cipher) & EVP_CIPH_CUSTOM_IV_LENGTH) != 0) { + rv = EVP_CIPHER_CTX_ctrl((EVP_CIPHER_CTX *)ctx, EVP_CTRL_GET_IVLEN, + 0, &i); + return (rv == 1) ? i : -1; + } return ctx->cipher->iv_len; } |