/**
* sha384_vector - SHA384 hash for data vector
* @num_elem: Number of elements in the data vector
* @addr: Pointers to the data areas
* @len: Lengths of the data blocks
* @mac: Buffer for the hash
* Returns: 0 on success, -1 of failure
*/
int sha384_vector(size_t num_elem, const u8 *addr[], const size_t *len,
u8 *mac)
{
struct sha384_state ctx;
size_t i;
sha384_init(&ctx);
for (i = 0; i < num_elem; i++)
if (sha384_process(&ctx, addr[i], len[i]))
return -1;
if (sha384_done(&ctx, mac))
return -1;
return 0;
}
/**
Self-test the hash
@return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
*/
int sha384_test(void)
{
#ifndef LTC_TEST
return CRYPT_NOP;
#else
static const struct {
const char *msg;
unsigned char hash[48];
} tests[] = {
{ "abc",
{ 0xcb, 0x00, 0x75, 0x3f, 0x45, 0xa3, 0x5e, 0x8b,
0xb5, 0xa0, 0x3d, 0x69, 0x9a, 0xc6, 0x50, 0x07,
0x27, 0x2c, 0x32, 0xab, 0x0e, 0xde, 0xd1, 0x63,
0x1a, 0x8b, 0x60, 0x5a, 0x43, 0xff, 0x5b, 0xed,
0x80, 0x86, 0x07, 0x2b, 0xa1, 0xe7, 0xcc, 0x23,
0x58, 0xba, 0xec, 0xa1, 0x34, 0xc8, 0x25, 0xa7 }
},
{ "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
{ 0x09, 0x33, 0x0c, 0x33, 0xf7, 0x11, 0x47, 0xe8,
0x3d, 0x19, 0x2f, 0xc7, 0x82, 0xcd, 0x1b, 0x47,
0x53, 0x11, 0x1b, 0x17, 0x3b, 0x3b, 0x05, 0xd2,
0x2f, 0xa0, 0x80, 0x86, 0xe3, 0xb0, 0xf7, 0x12,
0xfc, 0xc7, 0xc7, 0x1a, 0x55, 0x7e, 0x2d, 0xb9,
0x66, 0xc3, 0xe9, 0xfa, 0x91, 0x74, 0x60, 0x39 }
},
};
int i;
unsigned char tmp[48];
hash_state md;
for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0])); i++) {
sha384_init(&md);
sha384_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg));
sha384_done(&md, tmp);
if (compare_testvector(tmp, sizeof(tmp), tests[i].hash, sizeof(tests[i].hash), "SHA384", i)) {
return CRYPT_FAIL_TESTVECTOR;
}
}
return CRYPT_OK;
#endif
}