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author | Nikos Mavrogiannopoulos <nmav@redhat.com> | 2017-08-14 14:30:07 +0200 |
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committer | Nikos Mavrogiannopoulos <nmav@redhat.com> | 2018-02-19 15:29:33 +0100 |
commit | e5bc6db45e4ffcadb38f8f539f7d4dd2a9fee09a (patch) | |
tree | 4435848a9c67599db61e867ede04d46179a5ed90 /lib/secrets.h | |
parent | 21a2346d804dac20c76823688155411e2506bc0d (diff) | |
download | gnutls-e5bc6db45e4ffcadb38f8f539f7d4dd2a9fee09a.tar.gz |
Added TLS 1.3 HKDF key derivation functionality
Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>
Diffstat (limited to 'lib/secrets.h')
-rw-r--r-- | lib/secrets.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/secrets.h b/lib/secrets.h new file mode 100644 index 0000000000..b80af974a6 --- /dev/null +++ b/lib/secrets.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2017 Red Hat, Inc. + * + * Author: Nikos Mavrogiannopoulos + * + * This file is part of GnuTLS. + * + * The GnuTLS is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 of + * the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/> + * + */ + +#ifndef SECRETS_H +#define SECRETS_H + +int _tls13_init_secret(gnutls_session_t session, const uint8_t *psk, size_t psk_size); +int _tls13_update_secret(gnutls_session_t session, const uint8_t *key, size_t key_size); +int _tls13_derive_secret(gnutls_session_t session, + const char *label, unsigned label_size, + const uint8_t *msg, size_t msg_size, + void *out /* of enough length to hold PRF MAC */); + +int _tls13_expand_secret(gnutls_session_t session, + const char *label, unsigned label_size, + const uint8_t *msg, size_t msg_size, + const uint8_t secret[MAX_CIPHER_KEY_SIZE], + unsigned out_size, + void *out); + +#endif |