wolfSSL SSL/TLS library, support up to TLS1.3
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wolfssl/wolfcrypt/idea.h@13:f67a6c6013ca, 2017-08-22 (annotated)
- Committer:
- wolfSSL
- Date:
- Tue Aug 22 10:48:22 2017 +0000
- Revision:
- 13:f67a6c6013ca
wolfSSL3.12.0 with TLS1.3
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
wolfSSL | 13:f67a6c6013ca | 1 | /* idea.h |
wolfSSL | 13:f67a6c6013ca | 2 | * |
wolfSSL | 13:f67a6c6013ca | 3 | * Copyright (C) 2006-2016 wolfSSL Inc. |
wolfSSL | 13:f67a6c6013ca | 4 | * |
wolfSSL | 13:f67a6c6013ca | 5 | * This file is part of wolfSSL. |
wolfSSL | 13:f67a6c6013ca | 6 | * |
wolfSSL | 13:f67a6c6013ca | 7 | * wolfSSL is free software; you can redistribute it and/or modify |
wolfSSL | 13:f67a6c6013ca | 8 | * it under the terms of the GNU General Public License as published by |
wolfSSL | 13:f67a6c6013ca | 9 | * the Free Software Foundation; either version 2 of the License, or |
wolfSSL | 13:f67a6c6013ca | 10 | * (at your option) any later version. |
wolfSSL | 13:f67a6c6013ca | 11 | * |
wolfSSL | 13:f67a6c6013ca | 12 | * wolfSSL is distributed in the hope that it will be useful, |
wolfSSL | 13:f67a6c6013ca | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
wolfSSL | 13:f67a6c6013ca | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
wolfSSL | 13:f67a6c6013ca | 15 | * GNU General Public License for more details. |
wolfSSL | 13:f67a6c6013ca | 16 | * |
wolfSSL | 13:f67a6c6013ca | 17 | * You should have received a copy of the GNU General Public License |
wolfSSL | 13:f67a6c6013ca | 18 | * along with this program; if not, write to the Free Software |
wolfSSL | 13:f67a6c6013ca | 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA |
wolfSSL | 13:f67a6c6013ca | 20 | */ |
wolfSSL | 13:f67a6c6013ca | 21 | |
wolfSSL | 13:f67a6c6013ca | 22 | |
wolfSSL | 13:f67a6c6013ca | 23 | #ifndef WOLF_CRYPT_IDEA_H |
wolfSSL | 13:f67a6c6013ca | 24 | #define WOLF_CRYPT_IDEA_H |
wolfSSL | 13:f67a6c6013ca | 25 | |
wolfSSL | 13:f67a6c6013ca | 26 | #include <wolfssl/wolfcrypt/types.h> |
wolfSSL | 13:f67a6c6013ca | 27 | |
wolfSSL | 13:f67a6c6013ca | 28 | #ifdef HAVE_IDEA |
wolfSSL | 13:f67a6c6013ca | 29 | |
wolfSSL | 13:f67a6c6013ca | 30 | #ifdef __cplusplus |
wolfSSL | 13:f67a6c6013ca | 31 | extern "C" { |
wolfSSL | 13:f67a6c6013ca | 32 | #endif |
wolfSSL | 13:f67a6c6013ca | 33 | |
wolfSSL | 13:f67a6c6013ca | 34 | enum { |
wolfSSL | 13:f67a6c6013ca | 35 | IDEA_MODULO = 0x10001, /* 2^16+1 */ |
wolfSSL | 13:f67a6c6013ca | 36 | IDEA_2EXP16 = 0x10000, /* 2^16 */ |
wolfSSL | 13:f67a6c6013ca | 37 | IDEA_MASK = 0xFFFF, /* 16 bits set to one */ |
wolfSSL | 13:f67a6c6013ca | 38 | IDEA_ROUNDS = 8, /* number of rounds for IDEA */ |
wolfSSL | 13:f67a6c6013ca | 39 | IDEA_SK_NUM = (6*IDEA_ROUNDS + 4), /* number of subkeys */ |
wolfSSL | 13:f67a6c6013ca | 40 | IDEA_KEY_SIZE = 16, /* size of key in bytes */ |
wolfSSL | 13:f67a6c6013ca | 41 | IDEA_BLOCK_SIZE = 8, /* size of IDEA blocks in bytes */ |
wolfSSL | 13:f67a6c6013ca | 42 | IDEA_IV_SIZE = 8, /* size of IDEA IV in bytes */ |
wolfSSL | 13:f67a6c6013ca | 43 | IDEA_ENCRYPTION = 0, |
wolfSSL | 13:f67a6c6013ca | 44 | IDEA_DECRYPTION = 1 |
wolfSSL | 13:f67a6c6013ca | 45 | }; |
wolfSSL | 13:f67a6c6013ca | 46 | |
wolfSSL | 13:f67a6c6013ca | 47 | /* IDEA encryption and decryption */ |
wolfSSL | 13:f67a6c6013ca | 48 | typedef struct Idea { |
wolfSSL | 13:f67a6c6013ca | 49 | word32 reg[IDEA_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */ |
wolfSSL | 13:f67a6c6013ca | 50 | word32 tmp[IDEA_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */ |
wolfSSL | 13:f67a6c6013ca | 51 | word16 skey[IDEA_SK_NUM]; /* 832 bits expanded key */ |
wolfSSL | 13:f67a6c6013ca | 52 | } Idea; |
wolfSSL | 13:f67a6c6013ca | 53 | |
wolfSSL | 13:f67a6c6013ca | 54 | WOLFSSL_API int wc_IdeaSetKey(Idea *idea, const byte* key, word16 keySz, |
wolfSSL | 13:f67a6c6013ca | 55 | const byte *iv, int dir); |
wolfSSL | 13:f67a6c6013ca | 56 | WOLFSSL_API int wc_IdeaSetIV(Idea *idea, const byte* iv); |
wolfSSL | 13:f67a6c6013ca | 57 | WOLFSSL_API int wc_IdeaCipher(Idea *idea, byte* out, const byte* in); |
wolfSSL | 13:f67a6c6013ca | 58 | WOLFSSL_API int wc_IdeaCbcEncrypt(Idea *idea, byte* out, |
wolfSSL | 13:f67a6c6013ca | 59 | const byte* in, word32 len); |
wolfSSL | 13:f67a6c6013ca | 60 | WOLFSSL_API int wc_IdeaCbcDecrypt(Idea *idea, byte* out, |
wolfSSL | 13:f67a6c6013ca | 61 | const byte* in, word32 len); |
wolfSSL | 13:f67a6c6013ca | 62 | #ifdef __cplusplus |
wolfSSL | 13:f67a6c6013ca | 63 | } /* extern "C" */ |
wolfSSL | 13:f67a6c6013ca | 64 | #endif |
wolfSSL | 13:f67a6c6013ca | 65 | |
wolfSSL | 13:f67a6c6013ca | 66 | #endif /* HAVE_IDEA */ |
wolfSSL | 13:f67a6c6013ca | 67 | #endif /* WOLF_CRYPT_IDEA_H */ |
wolfSSL | 13:f67a6c6013ca | 68 |