136 lines
3.0 KiB
C
136 lines
3.0 KiB
C
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#define TEST_NAME "randombytes"
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#include "cmptest.h"
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unsigned char x[65536];
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unsigned long long freq[256];
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static int compat_tests(void)
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{
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size_t i;
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memset(x, 0, sizeof x);
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randombytes(x, sizeof x);
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for (i = 0; i < 256; ++i) {
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freq[i] = 0;
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}
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for (i = 0; i < sizeof x; ++i) {
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++freq[255 & (int)x[i]];
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}
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for (i = 0; i < 256; ++i) {
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if (!freq[i]) {
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printf("nacl_tests failed\n");
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}
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}
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return 0;
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}
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static int randombytes_tests(void)
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{
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unsigned int f = 0U;
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unsigned int i;
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uint32_t n;
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#ifdef __EMSCRIPTEN__
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assert(strcmp(randombytes_implementation_name(), "sysrandom"));
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#else
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assert(strcmp(randombytes_implementation_name(), "js"));
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#endif
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randombytes(x, 1U);
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do {
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n = randombytes_random();
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f |= ((n >> 24) > 1);
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f |= ((n >> 16) > 1) << 1;
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f |= ((n >> 8) > 1) << 2;
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f |= ((n ) > 1) << 3;
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f |= (n > 0x7fffffff) << 4;
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} while (f != 0x1f);
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randombytes_close();
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for (i = 0; i < 256; ++i) {
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freq[i] = 0;
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}
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for (i = 0; i < 65536; ++i) {
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++freq[randombytes_uniform(256)];
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}
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for (i = 0; i < 256; ++i) {
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if (!freq[i]) {
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printf("randombytes_uniform() test failed\n");
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}
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}
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assert(randombytes_uniform(1U) == 0U);
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randombytes_close();
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#ifndef __EMSCRIPTEN__
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randombytes_set_implementation(&randombytes_salsa20_implementation);
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assert(strcmp(randombytes_implementation_name(), "salsa20") == 0);
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#endif
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randombytes_stir();
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for (i = 0; i < 256; ++i) {
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freq[i] = 0;
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}
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for (i = 0; i < 65536; ++i) {
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++freq[randombytes_uniform(256)];
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}
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for (i = 0; i < 256; ++i) {
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if (!freq[i]) {
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printf("randombytes_uniform() test failed\n");
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}
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}
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memset(x, 0, sizeof x);
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randombytes_buf(x, sizeof x);
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for (i = 0; i < 256; ++i) {
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freq[i] = 0;
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}
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for (i = 0; i < sizeof x; ++i) {
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++freq[255 & (int)x[i]];
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}
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for (i = 0; i < 256; ++i) {
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if (!freq[i]) {
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printf("randombytes_buf() test failed\n");
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}
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}
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assert(randombytes_uniform(1U) == 0U);
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randombytes_close();
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randombytes(x, 1U);
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randombytes_close();
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return 0;
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}
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static uint32_t randombytes_uniform_impl(const uint32_t upper_bound)
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{
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return upper_bound;
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}
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static int impl_tests(void)
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{
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randombytes_implementation impl = randombytes_sysrandom_implementation;
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uint32_t v = randombytes_random();
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impl.uniform = randombytes_uniform_impl;
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randombytes_close();
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randombytes_set_implementation(&impl);
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assert(randombytes_uniform(v) == v);
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assert(randombytes_uniform(v) == v);
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assert(randombytes_uniform(v) == v);
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assert(randombytes_uniform(v) == v);
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randombytes_close();
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impl.close = NULL;
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randombytes_close();
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return 0;
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}
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int main(void)
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{
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compat_tests();
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randombytes_tests();
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#ifndef __EMSCRIPTEN__
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impl_tests();
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#endif
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printf("OK\n");
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return 0;
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}
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