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eb772f37ae
Export the Salsa20 constants, transform context, and initialization functions so that they can be reused by the x86 implementation. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
28 lines
582 B
C
28 lines
582 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Common values for the Salsa20 algorithm
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*/
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#ifndef _CRYPTO_SALSA20_H
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#define _CRYPTO_SALSA20_H
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#include <linux/types.h>
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#define SALSA20_IV_SIZE 8
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#define SALSA20_MIN_KEY_SIZE 16
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#define SALSA20_MAX_KEY_SIZE 32
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#define SALSA20_BLOCK_SIZE 64
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struct crypto_skcipher;
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struct salsa20_ctx {
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u32 initial_state[16];
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};
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void crypto_salsa20_init(u32 *state, const struct salsa20_ctx *ctx,
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const u8 *iv);
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int crypto_salsa20_setkey(struct crypto_skcipher *tfm, const u8 *key,
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unsigned int keysize);
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#endif /* _CRYPTO_SALSA20_H */
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