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authorTodd Short <tshort@akamai.com>2017-04-05 18:35:25 +0200
committerMatt Caswell <matt@openssl.org>2017-05-02 10:44:43 +0200
commitc649d10d3fee9fe22e4ae6bdf7f8117b91b92b03 (patch)
treee72effbded8ac2531b21ead7c2d95ee26d1652cc /ssl/ssl_conf.c
parentFix time offset calculation. (diff)
downloadopenssl-c649d10d3fee9fe22e4ae6bdf7f8117b91b92b03.tar.xz
openssl-c649d10d3fee9fe22e4ae6bdf7f8117b91b92b03.zip
TLS1.3 Padding
Add padding callback for application control Standard block_size callback Documentation and tests included Configuration file/s_client/s_srver option Reviewed-by: Tim Hudson <tjh@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/3130)
Diffstat (limited to 'ssl/ssl_conf.c')
-rw-r--r--ssl/ssl_conf.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/ssl/ssl_conf.c b/ssl/ssl_conf.c
index 4b4619279e..484bb61feb 100644
--- a/ssl/ssl_conf.c
+++ b/ssl/ssl_conf.c
@@ -520,6 +520,25 @@ static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value)
return rv > 0;
}
#endif
+
+static int cmd_RecordPadding(SSL_CONF_CTX *cctx, const char *value)
+{
+ int rv = 0;
+ int block_size = atoi(value);
+
+ /*
+ * All we care about is a non-negative value,
+ * the setters check the range
+ */
+ if (block_size >= 0) {
+ if (cctx->ctx)
+ rv = SSL_CTX_set_block_padding(cctx->ctx, block_size);
+ if (cctx->ssl)
+ rv = SSL_set_block_padding(cctx->ssl, block_size);
+ }
+ return rv;
+}
+
typedef struct {
int (*cmd) (SSL_CONF_CTX *cctx, const char *value);
const char *str_file;
@@ -598,8 +617,9 @@ static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
#ifndef OPENSSL_NO_DH
SSL_CONF_CMD(DHParameters, "dhparam",
SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
- SSL_CONF_TYPE_FILE)
+ SSL_CONF_TYPE_FILE),
#endif
+ SSL_CONF_CMD_STRING(RecordPadding, "record_padding", 0)
};
/* Supported switches: must match order of switches in ssl_conf_cmds */