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Use libctx for EVP_CIPHER_CTX_rand_key() method. 

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11884)
This commit is contained in:
Shane Lontis 2020-07-26 17:26:43 +10:00
parent 831564543a
commit 11eef7e766
1 changed files with 16 additions and 1 deletions
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17
crypto/evp/evp_enc.c
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@ -1180,6 +1180,20 @@ const OSSL_PARAM *EVP_CIPHER_gettable_ctx_params(const EVP_CIPHER *cipher)
return NULL;
}
#ifndef FIPS_MODULE
static OPENSSL_CTX *EVP_CIPHER_CTX_get_libctx(EVP_CIPHER_CTX *ctx)
{
const EVP_CIPHER *cipher = ctx->cipher;
const OSSL_PROVIDER *prov;
if (cipher == NULL)
return NULL;
prov = EVP_CIPHER_provider(cipher);
return ossl_provider_library_context(prov);
}
#endif
int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key)
{
if (ctx->cipher->flags & EVP_CIPH_RAND_KEY)
@ -1190,9 +1204,10 @@ int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key)
#else
{
int kl;
OPENSSL_CTX *libctx = EVP_CIPHER_CTX_get_libctx(ctx);
kl = EVP_CIPHER_CTX_key_length(ctx);
if (kl <= 0 || RAND_priv_bytes(key, kl) <= 0)
if (kl <= 0 || RAND_priv_bytes_ex(libctx, key, kl) <= 0)
return 0;
return 1;
}