mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 04:03:58 +08:00
e192be9d9a
The CRNG is faster, and we don't pretend to track entropy usage in the CRNG any more. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
27 lines
642 B
C
27 lines
642 B
C
/*
|
|
* Common values for the ChaCha20 algorithm
|
|
*/
|
|
|
|
#ifndef _CRYPTO_CHACHA20_H
|
|
#define _CRYPTO_CHACHA20_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/crypto.h>
|
|
|
|
#define CHACHA20_IV_SIZE 16
|
|
#define CHACHA20_KEY_SIZE 32
|
|
#define CHACHA20_BLOCK_SIZE 64
|
|
|
|
struct chacha20_ctx {
|
|
u32 key[8];
|
|
};
|
|
|
|
void chacha20_block(u32 *state, void *stream);
|
|
void crypto_chacha20_init(u32 *state, struct chacha20_ctx *ctx, u8 *iv);
|
|
int crypto_chacha20_setkey(struct crypto_tfm *tfm, const u8 *key,
|
|
unsigned int keysize);
|
|
int crypto_chacha20_crypt(struct blkcipher_desc *desc, struct scatterlist *dst,
|
|
struct scatterlist *src, unsigned int nbytes);
|
|
|
|
#endif
|