diff options
Diffstat (limited to 'NorthstarDedicatedTest/include/internal/sha3.h')
-rw-r--r-- | NorthstarDedicatedTest/include/internal/sha3.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/NorthstarDedicatedTest/include/internal/sha3.h b/NorthstarDedicatedTest/include/internal/sha3.h new file mode 100644 index 00000000..80ad86e5 --- /dev/null +++ b/NorthstarDedicatedTest/include/internal/sha3.h @@ -0,0 +1,54 @@ +/* + * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +/* This header can move into provider when legacy support is removed */ +#ifndef OSSL_INTERNAL_SHA3_H +# define OSSL_INTERNAL_SHA3_H +# pragma once + +# include <openssl/e_os2.h> +# include <stddef.h> + +# define KECCAK1600_WIDTH 1600 +# define SHA3_MDSIZE(bitlen) (bitlen / 8) +# define KMAC_MDSIZE(bitlen) 2 * (bitlen / 8) +# define SHA3_BLOCKSIZE(bitlen) (KECCAK1600_WIDTH - bitlen * 2) / 8 + +typedef struct keccak_st KECCAK1600_CTX; + +typedef size_t (sha3_absorb_fn)(void *vctx, const void *inp, size_t len); +typedef int (sha3_final_fn)(unsigned char *md, void *vctx); + +typedef struct prov_sha3_meth_st +{ + sha3_absorb_fn *absorb; + sha3_final_fn *final; +} PROV_SHA3_METHOD; + +struct keccak_st { + uint64_t A[5][5]; + size_t block_size; /* cached ctx->digest->block_size */ + size_t md_size; /* output length, variable in XOF */ + size_t bufsz; /* used bytes in below buffer */ + unsigned char buf[KECCAK1600_WIDTH / 8 - 32]; + unsigned char pad; + PROV_SHA3_METHOD meth; +}; + +void ossl_sha3_reset(KECCAK1600_CTX *ctx); +int ossl_sha3_init(KECCAK1600_CTX *ctx, unsigned char pad, size_t bitlen); +int ossl_keccak_kmac_init(KECCAK1600_CTX *ctx, unsigned char pad, + size_t bitlen); +int ossl_sha3_update(KECCAK1600_CTX *ctx, const void *_inp, size_t len); +int ossl_sha3_final(unsigned char *md, KECCAK1600_CTX *ctx); + +size_t SHA3_absorb(uint64_t A[5][5], const unsigned char *inp, size_t len, + size_t r); + +#endif /* OSSL_INTERNAL_SHA3_H */ |