diff options
Diffstat (limited to 'src/libstrongswan/plugins/openssl/openssl_crypter.c')
| -rw-r--r-- | src/libstrongswan/plugins/openssl/openssl_crypter.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/libstrongswan/plugins/openssl/openssl_crypter.c b/src/libstrongswan/plugins/openssl/openssl_crypter.c index 8cbeac5d4..8b9b37904 100644 --- a/src/libstrongswan/plugins/openssl/openssl_crypter.c +++ b/src/libstrongswan/plugins/openssl/openssl_crypter.c @@ -116,13 +116,20 @@ static void crypt(private_openssl_crypter_t *this, chunk_t data, chunk_t iv, chunk_t *dst, int enc) { int len; + u_char *out; + + out = data.ptr; + if (dst) + { + *dst = chunk_alloc(data.len); + out = dst->ptr; + } EVP_CIPHER_CTX ctx; EVP_CIPHER_CTX_init(&ctx); EVP_CipherInit_ex(&ctx, this->cipher, NULL, this->key.ptr, iv.ptr, enc); EVP_CIPHER_CTX_set_padding(&ctx, 0); /* disable padding */ - *dst = chunk_alloc(data.len); - EVP_CipherUpdate(&ctx, dst->ptr, &len, data.ptr, data.len); - EVP_CipherFinal_ex(&ctx, dst->ptr, &len); /* since padding is disabled this does nothing */ + EVP_CipherUpdate(&ctx, out, &len, data.ptr, data.len); + EVP_CipherFinal_ex(&ctx, out, &len); /* since padding is disabled this does nothing */ EVP_CIPHER_CTX_cleanup(&ctx); } |