MultiTech / CyaSSL

A library for setting up Secure Socket Layer (SSL) connections and verifying remote hosts using certificates. Contains only the source files for mbed platform implementation of the library.

Dependents:   HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL

cyassl/ctaocrypt/poly1305.h@6:cf58d49e1a86, 2015-03-23 (annotated)

Committer:
Mike Fiore
Date:
Mon Mar 23 16:51:07 2015 -0500
Revision:
6:cf58d49e1a86
Parent:
0:b86d15c6ba29 
fix whitespace in sha512.c

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vanger 0:b86d15c6ba29 1 /* poly1305.h
Vanger 0:b86d15c6ba29 2 *
Vanger 0:b86d15c6ba29 3 * Copyright (C) 2006-2014 wolfSSL Inc.
Vanger 0:b86d15c6ba29 4 *
Vanger 0:b86d15c6ba29 5 * This file is part of CyaSSL.
Vanger 0:b86d15c6ba29 6 *
Vanger 0:b86d15c6ba29 7 * CyaSSL is free software; you can redistribute it and/or modify
Vanger 0:b86d15c6ba29 8 * it under the terms of the GNU General Public License as published by
Vanger 0:b86d15c6ba29 9 * the Free Software Foundation; either version 2 of the License, or
Vanger 0:b86d15c6ba29 10 * (at your option) any later version.
Vanger 0:b86d15c6ba29 11 *
Vanger 0:b86d15c6ba29 12 * CyaSSL is distributed in the hope that it will be useful,
Vanger 0:b86d15c6ba29 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Vanger 0:b86d15c6ba29 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Vanger 0:b86d15c6ba29 15 * GNU General Public License for more details.
Vanger 0:b86d15c6ba29 16 *
Vanger 0:b86d15c6ba29 17 * You should have received a copy of the GNU General Public License
Vanger 0:b86d15c6ba29 18 * along with this program; if not, write to the Free Software
Vanger 0:b86d15c6ba29 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Vanger 0:b86d15c6ba29 20 */
Vanger 0:b86d15c6ba29 21
Vanger 0:b86d15c6ba29 22
Vanger 0:b86d15c6ba29 23 #ifdef HAVE_POLY1305
Vanger 0:b86d15c6ba29 24
Vanger 0:b86d15c6ba29 25 #ifndef CTAO_CRYPT_POLY1305_H
Vanger 0:b86d15c6ba29 26 #define CTAO_CRYPT_POLY1305_H
Vanger 0:b86d15c6ba29 27
Vanger 0:b86d15c6ba29 28 #include <cyassl/ctaocrypt/types.h>
Vanger 0:b86d15c6ba29 29
Vanger 0:b86d15c6ba29 30 #ifdef __cplusplus
Vanger 0:b86d15c6ba29 31 extern "C" {
Vanger 0:b86d15c6ba29 32 #endif
Vanger 0:b86d15c6ba29 33
Vanger 0:b86d15c6ba29 34 /* auto detect between 32bit / 64bit */
Vanger 0:b86d15c6ba29 35 #define HAS_SIZEOF_INT128_64BIT (defined(__SIZEOF_INT128__) && defined(__LP64__))
Vanger 0:b86d15c6ba29 36 #define HAS_MSVC_64BIT (defined(_MSC_VER) && defined(_M_X64))
Vanger 0:b86d15c6ba29 37 #define HAS_GCC_4_4_64BIT (defined(__GNUC__) && defined(__LP64__) && \
Vanger 0:b86d15c6ba29 38 ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4))))
Vanger 0:b86d15c6ba29 39
Vanger 0:b86d15c6ba29 40 #if (HAS_SIZEOF_INT128_64BIT || HAS_MSVC_64BIT || HAS_GCC_4_4_64BIT)
Vanger 0:b86d15c6ba29 41 #define POLY130564
Vanger 0:b86d15c6ba29 42 #else
Vanger 0:b86d15c6ba29 43 #define POLY130532
Vanger 0:b86d15c6ba29 44 #endif
Vanger 0:b86d15c6ba29 45
Vanger 0:b86d15c6ba29 46 enum {
Vanger 0:b86d15c6ba29 47 POLY1305 = 7,
Vanger 0:b86d15c6ba29 48 POLY1305_BLOCK_SIZE = 16,
Vanger 0:b86d15c6ba29 49 POLY1305_DIGEST_SIZE = 16,
Vanger 0:b86d15c6ba29 50 POLY1305_PAD_SIZE = 56
Vanger 0:b86d15c6ba29 51 };
Vanger 0:b86d15c6ba29 52
Vanger 0:b86d15c6ba29 53 /* Poly1305 state */
Vanger 0:b86d15c6ba29 54 typedef struct Poly1305 {
Vanger 0:b86d15c6ba29 55 #if defined(POLY130564)
Vanger 0:b86d15c6ba29 56 word64 r[3];
Vanger 0:b86d15c6ba29 57 word64 h[3];
Vanger 0:b86d15c6ba29 58 word64 pad[2];
Vanger 0:b86d15c6ba29 59 #else
Vanger 0:b86d15c6ba29 60 word32 r[5];
Vanger 0:b86d15c6ba29 61 word32 h[5];
Vanger 0:b86d15c6ba29 62 word32 pad[4];
Vanger 0:b86d15c6ba29 63 #endif
Vanger 0:b86d15c6ba29 64 size_t leftover;
Vanger 0:b86d15c6ba29 65 unsigned char buffer[POLY1305_BLOCK_SIZE];
Vanger 0:b86d15c6ba29 66 unsigned char final;
Vanger 0:b86d15c6ba29 67 } Poly1305;
Vanger 0:b86d15c6ba29 68
Vanger 0:b86d15c6ba29 69
Vanger 0:b86d15c6ba29 70 /* does init */
Vanger 0:b86d15c6ba29 71
Vanger 0:b86d15c6ba29 72 CYASSL_API int Poly1305SetKey(Poly1305* poly1305, const byte* key, word32 kySz);
Vanger 0:b86d15c6ba29 73 CYASSL_API int Poly1305Update(Poly1305* poly1305, const byte*, word32);
Vanger 0:b86d15c6ba29 74 CYASSL_API int Poly1305Final(Poly1305* poly1305, byte* tag);
Vanger 0:b86d15c6ba29 75
Vanger 0:b86d15c6ba29 76 #ifdef __cplusplus
Vanger 0:b86d15c6ba29 77 } /* extern "C" */
Vanger 0:b86d15c6ba29 78 #endif
Vanger 0:b86d15c6ba29 79
Vanger 0:b86d15c6ba29 80 #endif /* CTAO_CRYPT_POLY1305_H */
Vanger 0:b86d15c6ba29 81
Vanger 0:b86d15c6ba29 82 #endif /* HAVE_POLY1305 */
Vanger 0:b86d15c6ba29 83