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