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Diffstat (limited to 'NorthstarDedicatedTest/include/crypto/poly1305.h')
-rw-r--r-- | NorthstarDedicatedTest/include/crypto/poly1305.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/NorthstarDedicatedTest/include/crypto/poly1305.h b/NorthstarDedicatedTest/include/crypto/poly1305.h new file mode 100644 index 00000000..ba54f3bd --- /dev/null +++ b/NorthstarDedicatedTest/include/crypto/poly1305.h @@ -0,0 +1,46 @@ +/* + * Copyright 2015-2021 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 + */ + +#ifndef OSSL_CRYPTO_POLY1305_H +# define OSSL_CRYPTO_POLY1305_H +# pragma once + +#include <stddef.h> + +#define POLY1305_BLOCK_SIZE 16 +#define POLY1305_DIGEST_SIZE 16 +#define POLY1305_KEY_SIZE 32 + +typedef struct poly1305_context POLY1305; + +typedef void (*poly1305_blocks_f) (void *ctx, const unsigned char *inp, + size_t len, unsigned int padbit); +typedef void (*poly1305_emit_f) (void *ctx, unsigned char mac[16], + const unsigned int nonce[4]); + +struct poly1305_context { + double opaque[24]; /* large enough to hold internal state, declared + * 'double' to ensure at least 64-bit invariant + * alignment across all platforms and + * configurations */ + unsigned int nonce[4]; + unsigned char data[POLY1305_BLOCK_SIZE]; + size_t num; + struct { + poly1305_blocks_f blocks; + poly1305_emit_f emit; + } func; +}; + +size_t Poly1305_ctx_size(void); +void Poly1305_Init(POLY1305 *ctx, const unsigned char key[32]); +void Poly1305_Update(POLY1305 *ctx, const unsigned char *inp, size_t len); +void Poly1305_Final(POLY1305 *ctx, unsigned char mac[16]); + +#endif /* OSSL_CRYPTO_POLY1305_H */ |