#include "internal/cryptlib.h"
/*-
- * tls13_enc encrypts/decrypts |n_recs| in |recs|.
+ * tls13_enc encrypts/decrypts |n_recs| in |recs|. Will call SSLfatal() for
+ * internal errors, but not otherwise.
*
* Returns:
* 0: (in non-constant time) if the record is publically invalid (i.e. too
if (n_recs != 1) {
/* Should not happen */
/* TODO(TLS1.3): Support pipelining */
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
}
alg_enc = s->session->cipher->algorithm_enc;
} else {
if (!ossl_assert(s->psksession != NULL
- && s->psksession->ext.max_early_data > 0))
+ && s->psksession->ext.max_early_data > 0)) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
+ }
alg_enc = s->psksession->cipher->algorithm_enc;
}
} else {
* To get here we must have selected a ciphersuite - otherwise ctx would
* be NULL
*/
- if (!ossl_assert(s->s3->tmp.new_cipher != NULL))
+ if (!ossl_assert(s->s3->tmp.new_cipher != NULL)) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
+ }
alg_enc = s->s3->tmp.new_cipher->algorithm_enc;
}
else
taglen = EVP_CCM_TLS_TAG_LEN;
if (sending && EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, taglen,
- NULL) <= 0)
+ NULL) <= 0) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
+ }
} else if (alg_enc & SSL_AESGCM) {
taglen = EVP_GCM_TLS_TAG_LEN;
} else if (alg_enc & SSL_CHACHA20) {
taglen = EVP_CHACHAPOLY_TLS_TAG_LEN;
} else {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
}
/* Set up IV */
if (ivlen < SEQ_NUM_SIZE) {
/* Should not happen */
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
}
offset = ivlen - SEQ_NUM_SIZE;
if (sending) {
/* Add the tag */
if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, taglen,
- rec->data + rec->length) <= 0)
+ rec->data + rec->length) <= 0) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_ENC,
+ ERR_R_INTERNAL_ERROR);
return -1;
+ }
rec->length += taglen;
}