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270b0c6b JG |
1 | #ifndef _CRYPTO_CAST5_H |
2 | #define _CRYPTO_CAST5_H | |
3 | ||
4 | #include <linux/types.h> | |
5 | #include <linux/crypto.h> | |
6 | ||
7 | #define CAST5_BLOCK_SIZE 8 | |
8 | #define CAST5_MIN_KEY_SIZE 5 | |
9 | #define CAST5_MAX_KEY_SIZE 16 | |
10 | ||
11 | struct cast5_ctx { | |
12 | u32 Km[16]; | |
13 | u8 Kr[16]; | |
14 | int rr; /* rr ? rounds = 12 : rounds = 16; (rfc 2144) */ | |
15 | }; | |
16 | ||
17 | int cast5_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen); | |
18 | ||
19 | void __cast5_encrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src); | |
20 | void __cast5_decrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src); | |
21 | ||
3cfad0d0 JK |
22 | extern const u32 cast5_s1[256]; |
23 | extern const u32 cast5_s2[256]; | |
24 | extern const u32 cast5_s3[256]; | |
25 | extern const u32 cast5_s4[256]; | |
26 | ||
270b0c6b | 27 | #endif |