diff options
Diffstat (limited to 'security/nss/lib/freebl/poly1305.h')
| -rw-r--r-- | security/nss/lib/freebl/poly1305.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/poly1305.h b/security/nss/lib/freebl/poly1305.h new file mode 100644 index 000000000..0a463483f --- /dev/null +++ b/security/nss/lib/freebl/poly1305.h @@ -0,0 +1,28 @@ +/* + * poly1305.h - header file for Poly1305 implementation. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef FREEBL_POLY1305_H_ +#define FREEBL_POLY1305_H_ + +typedef unsigned char poly1305_state[512]; + +/* Poly1305Init sets up |state| so that it can be used to calculate an + * authentication tag with the one-time key |key|. Note that |key| is a + * one-time key and therefore there is no `reset' method because that would + * enable several messages to be authenticated with the same key. */ +extern void Poly1305Init(poly1305_state* state, const unsigned char key[32]); + +/* Poly1305Update processes |in_len| bytes from |in|. It can be called zero or + * more times after poly1305_init. */ +extern void Poly1305Update(poly1305_state* state, const unsigned char* in, + size_t inLen); + +/* Poly1305Finish completes the poly1305 calculation and writes a 16 byte + * authentication tag to |mac|. */ +extern void Poly1305Finish(poly1305_state* state, unsigned char mac[16]); + +#endif /* FREEBL_POLY1305_H_ */ |