mirror of
https://github.com/jedisct1/libsodium.git
synced 2024-12-23 12:05:11 -07:00
85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
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#define TEST_NAME "stream"
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#include "cmptest.h"
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static const unsigned char firstkey[32] = {
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0x1b, 0x27, 0x55, 0x64, 0x73, 0xe9, 0x85,
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0xd4, 0x62, 0xcd, 0x51, 0x19, 0x7a, 0x9a,
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0x46, 0xc7, 0x60, 0x09, 0x54, 0x9e, 0xac,
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0x64, 0x74, 0xf2, 0x06, 0xc4, 0xee, 0x08,
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0x44, 0xf6, 0x83, 0x89
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};
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static const unsigned char nonce[24] = {
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0x69, 0x69, 0x6e, 0xe9, 0x55, 0xb6,
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0x2b, 0x73, 0xcd, 0x62, 0xbd, 0xa8,
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0x75, 0xfc, 0x73, 0xd6, 0x82, 0x19,
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0xe0, 0x03, 0x6b, 0x7a, 0x0b, 0x37
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};
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int
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main(void)
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{
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unsigned char h[32];
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char *hex;
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unsigned char *output;
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size_t sizeof_hex = 17 * 64 * 2 + 1;
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size_t sizeof_output = 4194304;
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int i;
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output = (unsigned char *) sodium_malloc(sizeof_output);
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hex = (char *) sodium_malloc(sizeof_hex);
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randombytes_buf(output, sizeof_output);
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crypto_stream(output, sizeof_output, nonce, firstkey);
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crypto_hash_sha256(h, output, sizeof_output);
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sodium_bin2hex(hex, sizeof_hex, h, sizeof h);
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printf("%s\n", hex);
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assert(sizeof_output > 4000);
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crypto_stream_xsalsa20_xor_ic(output, output, 4000, nonce, 0U, firstkey);
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for (i = 0; i < 4000; i++) {
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assert(output[i] == 0);
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}
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crypto_stream_xsalsa20_xor_ic(output, output, 4000, nonce, 1U, firstkey);
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crypto_hash_sha256(h, output, sizeof_output);
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sodium_bin2hex(hex, sizeof_hex, h, sizeof h);
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printf("%s\n", hex);
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for (i = 0; i < 64; i++) {
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memset(output, i, 64);
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crypto_stream(output, (int) (i & 0xff), nonce, firstkey);
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sodium_bin2hex(hex, sizeof_hex, output, 64);
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printf("%s\n", hex);
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}
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memset(output, 0, 192);
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crypto_stream_xsalsa20_xor_ic(output, output, 192, nonce,
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(1ULL << 32) - 1ULL, firstkey);
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sodium_bin2hex(hex, 192 * 2 + 1, output, 192);
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printf("%s\n", hex);
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for (i = 16; i > 0; i--) {
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memset(output, 0, 17 * 64);
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crypto_stream_xsalsa20_xor_ic(output, output, 17 * 64, nonce,
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(1ULL << 32) - (unsigned long long) i,
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firstkey);
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sodium_bin2hex(hex, 2 * 17 * 64 + 1, output, 17 * 64);
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printf("%s\n", hex);
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}
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sodium_free(hex);
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sodium_free(output);
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assert(crypto_stream_keybytes() > 0U);
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assert(crypto_stream_noncebytes() > 0U);
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assert(crypto_stream_messagebytes_max() > 0U);
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assert(strcmp(crypto_stream_primitive(), "xsalsa20") == 0);
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assert(crypto_stream_keybytes() == crypto_stream_xsalsa20_keybytes());
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assert(crypto_stream_noncebytes() == crypto_stream_xsalsa20_noncebytes());
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assert(crypto_stream_messagebytes_max() == crypto_stream_xsalsa20_messagebytes_max());
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return 0;
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}
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