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authord0x471b <0x471@protonmail.com>2022-12-31 03:45:30 +0300
committerd0x471b <0x471@protonmail.com>2022-12-31 03:45:30 +0300
commit0f1d7d51de1baa21256fdb7ddafe54aab66172f7 (patch)
tree30373f9b64ba6301096f26cdade55ebac4f5e59f /cli/vendor/github.com/ethereum/go-ethereum/crypto/secp256k1/libsecp256k1/src/testrand.h
parent517ad8d13a6b23328927154226575605be70669f (diff)
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+/**********************************************************************
+ * Copyright (c) 2013, 2014 Pieter Wuille *
+ * Distributed under the MIT software license, see the accompanying *
+ * file COPYING or http://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. */
+
+/** Seed the pseudorandom number generator for testing. */
+SECP256K1_INLINE static void secp256k1_rand_seed(const unsigned char *seed16);
+
+/** Generate a pseudorandom number in the range [0..2**32-1]. */
+static uint32_t secp256k1_rand32(void);
+
+/** Generate a pseudorandom number in the range [0..2**bits-1]. Bits must be 1 or
+ * more. */
+static uint32_t secp256k1_rand_bits(int bits);
+
+/** Generate a pseudorandom number in the range [0..range-1]. */
+static uint32_t secp256k1_rand_int(uint32_t range);
+
+/** Generate a pseudorandom 32-byte array. */
+static void secp256k1_rand256(unsigned char *b32);
+
+/** Generate a pseudorandom 32-byte array with long sequences of zero and one bits. */
+static void secp256k1_rand256_test(unsigned char *b32);
+
+/** Generate pseudorandom bytes with long sequences of zero and one bits. */
+static void secp256k1_rand_bytes_test(unsigned char *bytes, size_t len);
+
+#endif