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5606cbc710
Updates the libsecp256k1 dependency to commit: c0d9480fbbf8eccbd4be23ed27f6f2af6f3b211e PR: ``` BenchmarkSign-24 57756 21214 ns/op 164 B/op 3 allocs/op BenchmarkRecover-24 37156 33044 ns/op 80 B/op 1 allocs/op BenchmarkEcrecoverSignature-24 36889 32935 ns/op 80 B/op 1 allocs/op BenchmarkVerifySignature-24 41163 29207 ns/op 0 B/op 0 allocs/op BenchmarkDecompressPubkey-24 318624 4062 ns/op 304 B/op 6 allocs/op ``` Master: ``` BenchmarkSign-24 34509 35330 ns/op 164 B/op 3 allocs/op BenchmarkRecover-24 25418 47725 ns/op 80 B/op 1 allocs/op BenchmarkEcrecoverSignature-24 25735 47591 ns/op 80 B/op 1 allocs/op BenchmarkVerifySignature-24 29108 41097 ns/op 0 B/op 0 allocs/op BenchmarkDecompressPubkey-24 294747 4143 ns/op 304 B/op 6 allocs/op ``` Performance seems to be improved significantly: ``` Sign-24 34.86µ ± 3% 21.66µ ± 2% -37.86% (p=0.000 n=10) Recover-24 46.14µ ± 3% 33.24µ ± 2% -27.95% (p=0.000 n=10) ```
48 lines
1.8 KiB
C
48 lines
1.8 KiB
C
/***********************************************************************
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* Copyright (c) 2013, 2014 Pieter Wuille *
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* Distributed under the MIT software license, see the accompanying *
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* file COPYING or https://www.opensource.org/licenses/mit-license.php.*
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***********************************************************************/
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#ifndef SECP256K1_TESTRAND_H
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#define SECP256K1_TESTRAND_H
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#include "util.h"
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/* A non-cryptographic RNG used only for test infrastructure. */
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/** Seed the pseudorandom number generator for testing. */
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SECP256K1_INLINE static void testrand_seed(const unsigned char *seed16);
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/** Generate a pseudorandom number in the range [0..2**32-1]. */
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SECP256K1_INLINE static uint32_t testrand32(void);
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/** Generate a pseudorandom number in the range [0..2**64-1]. */
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SECP256K1_INLINE static uint64_t testrand64(void);
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/** Generate a pseudorandom number in the range [0..2**bits-1]. Bits must be 1 or
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* more. */
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SECP256K1_INLINE static uint64_t testrand_bits(int bits);
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/** Generate a pseudorandom number in the range [0..range-1]. */
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static uint32_t testrand_int(uint32_t range);
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/** Generate a pseudorandom 32-byte array. */
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static void testrand256(unsigned char *b32);
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/** Generate a pseudorandom 32-byte array with long sequences of zero and one bits. */
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static void testrand256_test(unsigned char *b32);
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/** Generate pseudorandom bytes with long sequences of zero and one bits. */
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static void testrand_bytes_test(unsigned char *bytes, size_t len);
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/** Flip a single random bit in a byte array */
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static void testrand_flip(unsigned char *b, size_t len);
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/** Initialize the test RNG using (hex encoded) array up to 16 bytes, or randomly if hexseed is NULL. */
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static void testrand_init(const char* hexseed);
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/** Print final test information. */
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static void testrand_finish(void);
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#endif /* SECP256K1_TESTRAND_H */
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