ABC/testrand_8h_source.html

/***********************************************************************

 * Copyright (c) 2013, 2014 Pieter Wuille                              *

 * Distributed under the MIT software license, see the accompanying    *

 * file COPYING or https://www.opensource.org/licenses/mit-license.php.*

 ***********************************************************************/


#ifndef SECP256K1_TESTRAND_H

#define SECP256K1_TESTRAND_H


#if defined HAVE_CONFIG_H

#include "libsecp256k1-config.h"

#endif


/* A non-cryptographic RNG used only for test infrastructure. */


SECP256K1_INLINE static void secp256k1_testrand_seed(const unsigned char *seed16);


static uint32_t secp256k1_testrand32(void);


static uint32_t secp256k1_testrand_bits(int bits);


static uint32_t secp256k1_testrand_int(uint32_t range);


static void secp256k1_testrand256(unsigned char *b32);


static void secp256k1_testrand256_test(unsigned char *b32);


static void secp256k1_testrand_bytes_test(unsigned char *bytes, size_t len);


static void secp256k1_testrand_flip(unsigned char *b, size_t len);


static void secp256k1_testrand_init(const char* hexseed);


static void secp256k1_testrand_finish(void);


#endif /* SECP256K1_TESTRAND_H */

GetRand
T GetRand(T nMax=std::numeric_limits< T >::max()) noexcept
Generate a uniform random integer of type T in the range [0..nMax) nMax defaults to std::numeric_limi...
Definition random.h:85

SECP256K1_INLINE
#define SECP256K1_INLINE
Definition secp256k1.h:127

secp256k1_testrand_int
static uint32_t secp256k1_testrand_int(uint32_t range)
Generate a pseudorandom number in the range [0..range-1].

secp256k1_testrand32
static uint32_t secp256k1_testrand32(void)
Generate a pseudorandom number in the range [0..2**32-1].

secp256k1_testrand_flip
static void secp256k1_testrand_flip(unsigned char *b, size_t len)
Flip a single random bit in a byte array.

secp256k1_testrand_bytes_test
static void secp256k1_testrand_bytes_test(unsigned char *bytes, size_t len)
Generate pseudorandom bytes with long sequences of zero and one bits.

secp256k1_testrand256
static void secp256k1_testrand256(unsigned char *b32)
Generate a pseudorandom 32-byte array.

secp256k1_testrand_seed
static SECP256K1_INLINE void secp256k1_testrand_seed(const unsigned char *seed16)
Seed the pseudorandom number generator for testing.

secp256k1_testrand_init
static void secp256k1_testrand_init(const char *hexseed)
Initialize the test RNG using (hex encoded) array up to 16 bytes, or randomly if hexseed is NULL.

secp256k1_testrand_finish
static void secp256k1_testrand_finish(void)
Print final test information.

secp256k1_testrand256_test
static void secp256k1_testrand256_test(unsigned char *b32)
Generate a pseudorandom 32-byte array with long sequences of zero and one bits.

secp256k1_testrand_bits
static uint32_t secp256k1_testrand_bits(int bits)
Generate a pseudorandom number in the range [0..2**bits-1].