3f5616d734
The core SipHash supports either 8 or 16-byte output and a configurable number of rounds. The default behavior, as added to EVP, is to use 16-byte output and 2,4 rounds, which matches the behavior of most implementations. There is an EVP_PKEY_CTRL that can control the output size. Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/2216)
23 lines
639 B
C
23 lines
639 B
C
/*
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* Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/* Based on https://131002.net/siphash C reference implementation */
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struct siphash_st {
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uint64_t total_inlen;
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uint64_t v0;
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uint64_t v1;
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uint64_t v2;
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uint64_t v3;
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unsigned int len;
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int hash_size;
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int crounds;
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int drounds;
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unsigned char leavings[SIPHASH_BLOCK_SIZE];
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};
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