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Andrey Zolotarev e72e9355e3 start the android-4.9 tree
git: https://android.googlesource.com/kernel/common
branch: android-4.9
commit: 03fcc2fe71308c2d164b4e6cbfc738c63e670444
2018-11-15 21:36:32 +03:00

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716 B
C

#ifndef _CRYPTO_TWOFISH_H
#define _CRYPTO_TWOFISH_H
#include <linux/types.h>
#define TF_MIN_KEY_SIZE 16
#define TF_MAX_KEY_SIZE 32
#define TF_BLOCK_SIZE 16
struct crypto_tfm;
/* Structure for an expanded Twofish key. s contains the key-dependent
* S-boxes composed with the MDS matrix; w contains the eight "whitening"
* subkeys, K[0] through K[7]. k holds the remaining, "round" subkeys. Note
* that k[i] corresponds to what the Twofish paper calls K[i+8]. */
struct twofish_ctx {
u32 s[4][256], w[8], k[32];
};
int __twofish_setkey(struct twofish_ctx *ctx, const u8 *key,
unsigned int key_len, u32 *flags);
int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len);
#endif