diff --git a/crypto/openssl/ssl/tls13_enc.c b/crypto/openssl/ssl/tls13_enc.c --- a/crypto/openssl/ssl/tls13_enc.c +++ b/crypto/openssl/ssl/tls13_enc.c @@ -471,6 +471,7 @@ const EVP_CIPHER *cipher = NULL; #if !defined(OPENSSL_NO_KTLS) && defined(OPENSSL_KTLS_TLS13) ktls_crypto_info_t crypto_info; + void *rl_sequence; BIO *bio; #endif @@ -724,8 +725,7 @@ s->statem.enc_write_state = ENC_WRITE_STATE_VALID; #ifndef OPENSSL_NO_KTLS # if defined(OPENSSL_KTLS_TLS13) - if (!(which & SSL3_CC_WRITE) - || !(which & SSL3_CC_APPLICATION) + if (!(which & SSL3_CC_APPLICATION) || (s->options & SSL_OP_ENABLE_KTLS) == 0) goto skip_ktls; @@ -741,7 +741,10 @@ if (!ktls_check_supported_cipher(s, cipher, ciph_ctx)) goto skip_ktls; - bio = s->wbio; + if (which & SSL3_CC_WRITE) + bio = s->wbio; + else + bio = s->rbio; if (!ossl_assert(bio != NULL)) { SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_F_TLS13_CHANGE_CIPHER_STATE, @@ -750,19 +753,26 @@ } /* All future data will get encrypted by ktls. Flush the BIO or skip ktls */ - if (BIO_flush(bio) <= 0) - goto skip_ktls; + if (which & SSL3_CC_WRITE) { + if (BIO_flush(bio) <= 0) + goto skip_ktls; + } /* configure kernel crypto structure */ - if (!ktls_configure_crypto(s, cipher, ciph_ctx, - RECORD_LAYER_get_write_sequence(&s->rlayer), - &crypto_info, which & SSL3_CC_WRITE, iv, key, - NULL, 0)) + if (which & SSL3_CC_WRITE) + rl_sequence = RECORD_LAYER_get_write_sequence(&s->rlayer); + else + rl_sequence = RECORD_LAYER_get_read_sequence(&s->rlayer); + + if (!ktls_configure_crypto(s, cipher, ciph_ctx, rl_sequence, &crypto_info, + which & SSL3_CC_WRITE, iv, key, NULL, 0)) goto skip_ktls; /* ktls works with user provided buffers directly */ - if (BIO_set_ktls(bio, &crypto_info, which & SSL3_CC_WRITE)) - ssl3_release_write_buffer(s); + if (BIO_set_ktls(bio, &crypto_info, which & SSL3_CC_WRITE)) { + if (which & SSL3_CC_WRITE) + ssl3_release_write_buffer(s); + } skip_ktls: # endif #endif