diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2012-02-10 16:54:56 +0000 |
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committer | Dr. Stephen Henson <steve@openssl.org> | 2012-02-10 16:54:56 +0000 |
commit | 8705846710caf9da99b8e591792c3ea0b6225c7d (patch) | |
tree | 27e34d01c5235ae1ef979a1b6e601f21dbb5a7ce | |
parent | c944a9696e67f9583fe7595740a3c5cc0a6b022c (diff) |
only cleanup ctx if we need to, save ctx flags when we do
-rw-r--r-- | crypto/evp/evp_enc.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/crypto/evp/evp_enc.c b/crypto/evp/evp_enc.c index 8828327d92..691072655b 100644 --- a/crypto/evp/evp_enc.c +++ b/crypto/evp/evp_enc.c @@ -125,10 +125,14 @@ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, ENGINE *imp /* Ensure a context left lying around from last time is cleared * (the previous check attempted to avoid this if the same * ENGINE and EVP_CIPHER could be used). */ - EVP_CIPHER_CTX_cleanup(ctx); - - /* Restore encrypt field: it is zeroed by cleanup */ - ctx->encrypt = enc; + if (ctx->cipher) + { + unsigned long flags = ctx->flags; + EVP_CIPHER_CTX_cleanup(ctx); + /* Restore encrypt and flags */ + ctx->encrypt = enc; + ctx->flags = flags; + } #ifndef OPENSSL_NO_ENGINE if(impl) { |