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More num unit tests

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This commit is contained in:
Pieter Wuille
2013-04-22 01:52:56 +02:00
parent 404c30a800
commit 3f44e1ad36
3 changed files with 86 additions and 23 deletions
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13
src/impl/util.h
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@@ -10,17 +10,16 @@ static inline uint32_t secp256k1_rand32(void) {
static uint32_t Rz = 11, Rw = 11;
Rz = 36969 * (Rz & 0xFFFF) + (Rz >> 16);
Rw = 18000 * (Rw & 0xFFFF) + (Rw >> 16);
return (Rw << 16) + Rz;
return (Rw << 16) + (Rw >> 16) + Rz;
}
static void secp256k1_rand256(unsigned char *b32) {
for (int i=0; i<8; i++) {
uint32_t r1 = secp256k1_rand32();
b32[i*4 + 0] = (r1 >> 0) & 0xFF;
b32[i*4 + 1] = (r1 >> 8) & 0xFF;
uint32_t r2 = secp256k1_rand32();
b32[i*4 + 2] = (r2 >> 0) & 0xFF;
b32[i*4 + 3] = (r2 >> 8) & 0xFF;
uint32_t r = secp256k1_rand32();
b32[i*4 + 0] = (r >> 0) & 0xFF;
b32[i*4 + 1] = (r >> 8) & 0xFF;
b32[i*4 + 2] = (r >> 16) & 0xFF;
b32[i*4 + 3] = (r >> 24) & 0xFF;
}
}