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-rw-r--r--crypto/bn/bn_rand.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/crypto/bn/bn_rand.c b/crypto/bn/bn_rand.c
index 46ace0744d..3b213d46c5 100644
--- a/crypto/bn/bn_rand.c
+++ b/crypto/bn/bn_rand.c
@@ -318,7 +318,9 @@ int BN_generate_dsa_nonce(BIGNUM *out, const BIGNUM *range,
err:
EVP_MD_CTX_free(mdctx);
EVP_MD_free(md);
- OPENSSL_free(k_bytes);
+ OPENSSL_clear_free(k_bytes, num_k_bytes);
+ OPENSSL_cleanse(digest, sizeof(digest));
+ OPENSSL_cleanse(random_bytes, sizeof(random_bytes));
OPENSSL_cleanse(private_bytes, sizeof(private_bytes));
return ret;
}