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Commit | Line | Data |
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31d7247d MW |
1 | /* |
2 | * Common values for the ChaCha20 algorithm | |
3 | */ | |
4 | ||
5 | #ifndef _CRYPTO_CHACHA20_H | |
6 | #define _CRYPTO_CHACHA20_H | |
7 | ||
9ae433bc | 8 | #include <crypto/skcipher.h> |
31d7247d MW |
9 | #include <linux/types.h> |
10 | #include <linux/crypto.h> | |
11 | ||
12 | #define CHACHA20_IV_SIZE 16 | |
13 | #define CHACHA20_KEY_SIZE 32 | |
14 | #define CHACHA20_BLOCK_SIZE 64 | |
15 | ||
16 | struct chacha20_ctx { | |
17 | u32 key[8]; | |
18 | }; | |
19 | ||
e192be9d | 20 | void chacha20_block(u32 *state, void *stream); |
31d7247d | 21 | void crypto_chacha20_init(u32 *state, struct chacha20_ctx *ctx, u8 *iv); |
9ae433bc | 22 | int crypto_chacha20_setkey(struct crypto_skcipher *tfm, const u8 *key, |
31d7247d | 23 | unsigned int keysize); |
9ae433bc | 24 | int crypto_chacha20_crypt(struct skcipher_request *req); |
31d7247d MW |
25 | |
26 | #endif |