| 1 | /*
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| 2 | * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #ifndef HEADER_CAMELLIA_H
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| 11 | # define HEADER_CAMELLIA_H
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| 12 |
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| 13 | # include <openssl/opensslconf.h>
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| 14 |
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| 15 | # ifndef OPENSSL_NO_CAMELLIA
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| 16 | # include <stddef.h>
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| 17 | #ifdef __cplusplus
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| 18 | extern "C" {
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| 19 | #endif
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| 20 |
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| 21 | # define CAMELLIA_ENCRYPT 1
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| 22 | # define CAMELLIA_DECRYPT 0
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| 23 |
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| 24 | /*
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| 25 | * Because array size can't be a const in C, the following two are macros.
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| 26 | * Both sizes are in bytes.
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| 27 | */
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| 28 |
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| 29 | /* This should be a hidden type, but EVP requires that the size be known */
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| 30 |
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| 31 | # define CAMELLIA_BLOCK_SIZE 16
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| 32 | # define CAMELLIA_TABLE_BYTE_LEN 272
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| 33 | # define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
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| 34 |
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| 35 | typedef unsigned int KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN]; /* to match
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| 36 | * with WORD */
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| 37 |
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| 38 | struct camellia_key_st {
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| 39 | union {
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| 40 | double d; /* ensures 64-bit align */
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| 41 | KEY_TABLE_TYPE rd_key;
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| 42 | } u;
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| 43 | int grand_rounds;
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| 44 | };
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| 45 | typedef struct camellia_key_st CAMELLIA_KEY;
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| 46 |
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| 47 | int Camellia_set_key(const unsigned char *userKey, const int bits,
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| 48 | CAMELLIA_KEY *key);
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| 49 |
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| 50 | void Camellia_encrypt(const unsigned char *in, unsigned char *out,
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| 51 | const CAMELLIA_KEY *key);
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| 52 | void Camellia_decrypt(const unsigned char *in, unsigned char *out,
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| 53 | const CAMELLIA_KEY *key);
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| 54 |
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| 55 | void Camellia_ecb_encrypt(const unsigned char *in, unsigned char *out,
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| 56 | const CAMELLIA_KEY *key, const int enc);
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| 57 | void Camellia_cbc_encrypt(const unsigned char *in, unsigned char *out,
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| 58 | size_t length, const CAMELLIA_KEY *key,
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| 59 | unsigned char *ivec, const int enc);
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| 60 | void Camellia_cfb128_encrypt(const unsigned char *in, unsigned char *out,
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| 61 | size_t length, const CAMELLIA_KEY *key,
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| 62 | unsigned char *ivec, int *num, const int enc);
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| 63 | void Camellia_cfb1_encrypt(const unsigned char *in, unsigned char *out,
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| 64 | size_t length, const CAMELLIA_KEY *key,
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| 65 | unsigned char *ivec, int *num, const int enc);
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| 66 | void Camellia_cfb8_encrypt(const unsigned char *in, unsigned char *out,
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| 67 | size_t length, const CAMELLIA_KEY *key,
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| 68 | unsigned char *ivec, int *num, const int enc);
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| 69 | void Camellia_ofb128_encrypt(const unsigned char *in, unsigned char *out,
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| 70 | size_t length, const CAMELLIA_KEY *key,
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| 71 | unsigned char *ivec, int *num);
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| 72 | void Camellia_ctr128_encrypt(const unsigned char *in, unsigned char *out,
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| 73 | size_t length, const CAMELLIA_KEY *key,
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| 74 | unsigned char ivec[CAMELLIA_BLOCK_SIZE],
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| 75 | unsigned char ecount_buf[CAMELLIA_BLOCK_SIZE],
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| 76 | unsigned int *num);
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| 77 |
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| 78 | # ifdef __cplusplus
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| 79 | }
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| 80 | # endif
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| 81 | # endif
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| 82 |
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| 83 | #endif
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