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To allow accelerated implementations to fall back to the generic routines, e.g., in contexts where a SIMD based implementation is not allowed to run, expose the generic SHA3 init/update/final routines to other modules. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
34 lines
879 B
C
34 lines
879 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Common values for SHA-3 algorithms
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*/
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#ifndef __CRYPTO_SHA3_H__
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#define __CRYPTO_SHA3_H__
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#define SHA3_224_DIGEST_SIZE (224 / 8)
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#define SHA3_224_BLOCK_SIZE (200 - 2 * SHA3_224_DIGEST_SIZE)
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#define SHA3_256_DIGEST_SIZE (256 / 8)
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#define SHA3_256_BLOCK_SIZE (200 - 2 * SHA3_256_DIGEST_SIZE)
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#define SHA3_384_DIGEST_SIZE (384 / 8)
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#define SHA3_384_BLOCK_SIZE (200 - 2 * SHA3_384_DIGEST_SIZE)
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#define SHA3_512_DIGEST_SIZE (512 / 8)
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#define SHA3_512_BLOCK_SIZE (200 - 2 * SHA3_512_DIGEST_SIZE)
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struct sha3_state {
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u64 st[25];
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unsigned int rsiz;
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unsigned int rsizw;
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unsigned int partial;
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u8 buf[SHA3_224_BLOCK_SIZE];
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};
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int crypto_sha3_init(struct shash_desc *desc);
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int crypto_sha3_update(struct shash_desc *desc, const u8 *data,
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unsigned int len);
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int crypto_sha3_final(struct shash_desc *desc, u8 *out);
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#endif
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