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-rw-r--r--ssl/t1_enc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/ssl/t1_enc.c b/ssl/t1_enc.c
index 0d70116a13..fa1c002bf3 100644
--- a/ssl/t1_enc.c
+++ b/ssl/t1_enc.c
@@ -958,6 +958,8 @@ int tls1_final_finish_mac(SSL *s,
err = 1;
EVP_MD_CTX_cleanup(&ctx);
+ OPENSSL_cleanse(buf, (int)(q - buf));
+ OPENSSL_cleanse(buf2, sizeof(buf2));
if (err)
return 0;
else
@@ -1121,6 +1123,7 @@ int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
co, col,
s->s3->server_random, SSL3_RANDOM_SIZE,
so, sol, p, len, s->session->master_key, buff, sizeof buff);
+ OPENSSL_cleanse(buff, sizeof buff);
#ifdef SSL_DEBUG
fprintf(stderr, "Premaster Secret:\n");
BIO_dump_fp(stderr, (char *)p, len);
@@ -1215,6 +1218,8 @@ int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
NULL, 0,
s->session->master_key, s->session->master_key_length,
out, buff, olen);
+ OPENSSL_cleanse(val, vallen);
+ OPENSSL_cleanse(buff, olen);
#ifdef KSSL_DEBUG
fprintf(stderr, "tls1_export_keying_material() complete\n");