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-rw-r--r--NorthstarDedicatedTest/include/internal/sha3.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/NorthstarDedicatedTest/include/internal/sha3.h b/NorthstarDedicatedTest/include/internal/sha3.h
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+++ b/NorthstarDedicatedTest/include/internal/sha3.h
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+/*
+ * 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 */