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libsodium/test/default/stream2.c

60 lines
1.6 KiB
C

#define TEST_NAME "stream2"
#include "cmptest.h"
static const unsigned char secondkey[32] = {
0xdc, 0x90, 0x8d, 0xda, 0x0b, 0x93, 0x44,
0xa9, 0x53, 0x62, 0x9b, 0x73, 0x38, 0x20,
0x77, 0x88, 0x80, 0xf3, 0xce, 0xb4, 0x21,
0xbb, 0x61, 0xb9, 0x1c, 0xbd, 0x4c, 0x3e,
0x66, 0x25, 0x6c, 0xe4
};
static const unsigned char noncesuffix[8] = {
0x82, 0x19, 0xe0, 0x03, 0x6b, 0x7a, 0x0b, 0x37
};
int
main(void)
{
unsigned char *output;
char *hex;
unsigned char h[32];
size_t sizeof_hex = 32 * 2 + 1;
size_t sizeof_output = 4194304;
int i;
output = (unsigned char *) sodium_malloc(sizeof_output);
hex = (char *) sodium_malloc(sizeof_hex);
crypto_stream_salsa20(output, sizeof_output, noncesuffix, secondkey);
crypto_hash_sha256(h, output, sizeof_output);
sodium_bin2hex(hex, sizeof_hex, h, sizeof h);
printf("%s\n", hex);
assert(sizeof_output > 4000);
crypto_stream_salsa20_xor_ic(output, output, 4000, noncesuffix, 0U,
secondkey);
for (i = 0; i < 4000; i++) {
assert(output[i] == 0);
}
crypto_stream_salsa20_xor_ic(output, output, 4000, noncesuffix, 1U,
secondkey);
crypto_hash_sha256(h, output, sizeof_output);
sodium_bin2hex(hex, sizeof_hex, h, sizeof h);
printf("%s\n", hex);
sodium_free(hex);
sodium_free(output);
assert(crypto_stream_salsa20_keybytes() > 0U);
assert(crypto_stream_salsa20_noncebytes() > 0U);
assert(crypto_stream_salsa20_messagebytes_max() > 0U);
return 0;
}