stream.c (2773B)
1 2 #define TEST_NAME "stream" 3 #include "cmptest.h" 4 5 static const unsigned char firstkey[32] = { 6 0x1b, 0x27, 0x55, 0x64, 0x73, 0xe9, 0x85, 7 0xd4, 0x62, 0xcd, 0x51, 0x19, 0x7a, 0x9a, 8 0x46, 0xc7, 0x60, 0x09, 0x54, 0x9e, 0xac, 9 0x64, 0x74, 0xf2, 0x06, 0xc4, 0xee, 0x08, 10 0x44, 0xf6, 0x83, 0x89 11 }; 12 13 static const unsigned char nonce[24] = { 14 0x69, 0x69, 0x6e, 0xe9, 0x55, 0xb6, 15 0x2b, 0x73, 0xcd, 0x62, 0xbd, 0xa8, 16 0x75, 0xfc, 0x73, 0xd6, 0x82, 0x19, 17 0xe0, 0x03, 0x6b, 0x7a, 0x0b, 0x37 18 }; 19 20 int 21 main(void) 22 { 23 unsigned char h[32]; 24 char *hex; 25 unsigned char *output; 26 size_t sizeof_hex = 17 * 64 * 2 + 1; 27 size_t sizeof_output = 4194304; 28 int i; 29 30 output = (unsigned char *) sodium_malloc(sizeof_output); 31 hex = (char *) sodium_malloc(sizeof_hex); 32 33 randombytes_buf(output, sizeof_output); 34 crypto_stream(output, sizeof_output, nonce, firstkey); 35 crypto_hash_sha256(h, output, sizeof_output); 36 sodium_bin2hex(hex, sizeof_hex, h, sizeof h); 37 printf("%s\n", hex); 38 39 assert(sizeof_output > 4000); 40 41 crypto_stream_xsalsa20_xor_ic(output, output, 4000, nonce, 0U, firstkey); 42 for (i = 0; i < 4000; i++) { 43 assert(output[i] == 0); 44 } 45 crypto_stream_xsalsa20_xor_ic(output, output, 4000, nonce, 1U, firstkey); 46 crypto_hash_sha256(h, output, sizeof_output); 47 sodium_bin2hex(hex, sizeof_hex, h, sizeof h); 48 printf("%s\n", hex); 49 50 for (i = 0; i < 64; i++) { 51 memset(output, i, 64); 52 crypto_stream(output, (int) (i & 0xff), nonce, firstkey); 53 sodium_bin2hex(hex, sizeof_hex, output, 64); 54 printf("%s\n", hex); 55 } 56 57 memset(output, 0, 192); 58 crypto_stream_xsalsa20_xor_ic(output, output, 192, nonce, 59 (1ULL << 32) - 1ULL, firstkey); 60 sodium_bin2hex(hex, 192 * 2 + 1, output, 192); 61 printf("%s\n", hex); 62 63 for (i = 16; i > 0; i--) { 64 memset(output, 0, 17 * 64); 65 crypto_stream_xsalsa20_xor_ic(output, output, 17 * 64, nonce, 66 (1ULL << 32) - (unsigned long long) i, 67 firstkey); 68 sodium_bin2hex(hex, 2 * 17 * 64 + 1, output, 17 * 64); 69 printf("%s\n", hex); 70 } 71 72 sodium_free(hex); 73 sodium_free(output); 74 75 assert(crypto_stream_keybytes() > 0U); 76 assert(crypto_stream_noncebytes() > 0U); 77 assert(crypto_stream_messagebytes_max() > 0U); 78 assert(strcmp(crypto_stream_primitive(), "xsalsa20") == 0); 79 assert(crypto_stream_keybytes() == crypto_stream_xsalsa20_keybytes()); 80 assert(crypto_stream_noncebytes() == crypto_stream_xsalsa20_noncebytes()); 81 assert(crypto_stream_messagebytes_max() == crypto_stream_xsalsa20_messagebytes_max()); 82 83 return 0; 84 }