test-aes: Allow NIST key wrap test vectors to be verified
This allows the aes_wrap() and aes_unwrap() implementation to be
verified against KW_{AE,AD}_{128,192,256}.txt test vectors from
http://csrc.nist.gov/groups/STM/cavp/documents/mac/kwtestvectors.zip
For example:
./test-aes NIST-KW-AE kwtestvectors/KW_AE_128.txt
./test-aes NIST-KW-AE kwtestvectors/KW_AE_192.txt
./test-aes NIST-KW-AE kwtestvectors/KW_AE_256.txt
./test-aes NIST-KW-AD kwtestvectors/KW_AD_128.txt
./test-aes NIST-KW-AD kwtestvectors/KW_AD_192.txt
./test-aes NIST-KW-AD kwtestvectors/KW_AD_256.txt
Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen
parent
a256506ddc
commit
b1f4015cf5
1 changed files with 280 additions and 0 deletions
280
tests/test-aes.c
280
tests/test-aes.c
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@ -752,6 +752,281 @@ static int test_key_wrap(void)
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}
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static int test_nist_key_wrap_ae(const char *fname)
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{
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FILE *f;
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int ret = 0;
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char buf[15000], *pos, *pos2;
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u8 bin[2000], k[32], p[1024], c[1024 + 8], result[1024 + 8];
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size_t bin_len, k_len = 0, p_len = 0, c_len = 0;
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int ok = 0;
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printf("NIST KW AE tests from %s\n", fname);
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f = fopen(fname, "r");
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if (f == NULL) {
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printf("%s does not exist - cannot validate test vectors\n",
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fname);
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return 1;
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}
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while (fgets(buf, sizeof(buf), f)) {
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if (buf[0] == '#')
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continue;
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pos = os_strchr(buf, '=');
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if (pos == NULL)
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continue;
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pos2 = pos - 1;
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while (pos2 >= buf && *pos2 == ' ')
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*pos2-- = '\0';
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*pos++ = '\0';
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while (*pos == ' ')
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*pos++ = '\0';
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pos2 = os_strchr(pos, '\r');
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if (!pos2)
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pos2 = os_strchr(pos, '\n');
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if (pos2)
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*pos2 = '\0';
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else
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pos2 = pos + os_strlen(pos);
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if (buf[0] == '[') {
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printf("%s = %s\n", buf, pos);
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continue;
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}
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if (os_strcmp(buf, "COUNT") == 0) {
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printf("Test %s - ", pos);
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continue;
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}
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bin_len = os_strlen(pos);
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if (bin_len > sizeof(bin) * 2) {
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printf("Too long binary data (%s)\n", buf);
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return 1;
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}
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if (bin_len & 0x01) {
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printf("Odd number of hexstring values (%s)\n",
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buf);
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return 1;
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}
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bin_len /= 2;
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if (hexstr2bin(pos, bin, bin_len) < 0) {
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printf("Invalid hex string '%s' (%s)\n", pos, buf);
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return 1;
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}
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if (os_strcmp(buf, "K") == 0) {
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if (bin_len > sizeof(k)) {
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printf("Too long K (%u)\n", (unsigned) bin_len);
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return 1;
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}
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os_memcpy(k, bin, bin_len);
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k_len = bin_len;
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continue;
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}
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if (os_strcmp(buf, "P") == 0) {
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if (bin_len > sizeof(p)) {
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printf("Too long P (%u)\n", (unsigned) bin_len);
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return 1;
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}
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os_memcpy(p, bin, bin_len);
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p_len = bin_len;
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continue;
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}
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if (os_strcmp(buf, "C") != 0) {
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printf("Unexpected field '%s'\n", buf);
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continue;
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}
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if (bin_len > sizeof(c)) {
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printf("Too long C (%u)\n", (unsigned) bin_len);
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return 1;
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}
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os_memcpy(c, bin, bin_len);
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c_len = bin_len;
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if (p_len % 8 != 0 || c_len % 8 != 0 || c_len - p_len != 8) {
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printf("invalid parameter length (p_len=%u c_len=%u)\n",
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(unsigned) p_len, (unsigned) c_len);
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continue;
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}
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if (aes_wrap(k, k_len, p_len / 8, p, result)) {
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printf("aes_wrap() failed\n");
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ret++;
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continue;
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}
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if (os_memcmp(c, result, c_len) == 0) {
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printf("OK\n");
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ok++;
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} else {
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printf("FAIL\n");
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ret++;
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}
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}
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fclose(f);
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if (ret)
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printf("Test case failed\n");
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else
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printf("%d test vectors OK\n", ok);
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return ret;
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}
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static int test_nist_key_wrap_ad(const char *fname)
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{
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FILE *f;
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int ret = 0;
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char buf[15000], *pos, *pos2;
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u8 bin[2000], k[32], p[1024], c[1024 + 8], result[1024 + 8];
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size_t bin_len, k_len = 0, p_len = 0, c_len = 0;
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int ok = 0;
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int fail;
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printf("NIST KW AD tests from %s\n", fname);
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f = fopen(fname, "r");
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if (f == NULL) {
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printf("%s does not exist - cannot validate test vectors\n",
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fname);
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return 1;
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}
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while (fgets(buf, sizeof(buf), f)) {
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if (buf[0] == '#')
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continue;
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fail = 0;
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pos = os_strchr(buf, '=');
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if (pos == NULL) {
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if (os_strncmp(buf, "FAIL", 4) == 0) {
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fail = 1;
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goto skip_val_parse;
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}
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continue;
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}
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pos2 = pos - 1;
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while (pos2 >= buf && *pos2 == ' ')
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*pos2-- = '\0';
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*pos++ = '\0';
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while (*pos == ' ')
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*pos++ = '\0';
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pos2 = os_strchr(pos, '\r');
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if (!pos2)
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pos2 = os_strchr(pos, '\n');
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if (pos2)
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*pos2 = '\0';
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else
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pos2 = pos + os_strlen(pos);
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if (buf[0] == '[') {
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printf("%s = %s\n", buf, pos);
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continue;
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}
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if (os_strcmp(buf, "COUNT") == 0) {
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printf("Test %s - ", pos);
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continue;
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}
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bin_len = os_strlen(pos);
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if (bin_len > sizeof(bin) * 2) {
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printf("Too long binary data (%s)\n", buf);
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return 1;
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}
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if (bin_len & 0x01) {
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printf("Odd number of hexstring values (%s)\n",
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buf);
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return 1;
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}
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bin_len /= 2;
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if (hexstr2bin(pos, bin, bin_len) < 0) {
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printf("Invalid hex string '%s' (%s)\n", pos, buf);
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return 1;
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}
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if (os_strcmp(buf, "K") == 0) {
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if (bin_len > sizeof(k)) {
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printf("Too long K (%u)\n", (unsigned) bin_len);
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return 1;
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}
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os_memcpy(k, bin, bin_len);
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k_len = bin_len;
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continue;
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}
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if (os_strcmp(buf, "C") == 0) {
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if (bin_len > sizeof(c)) {
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printf("Too long C (%u)\n", (unsigned) bin_len);
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return 1;
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}
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os_memcpy(c, bin, bin_len);
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c_len = bin_len;
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continue;
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}
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skip_val_parse:
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if (!fail) {
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if (os_strcmp(buf, "P") != 0) {
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printf("Unexpected field '%s'\n", buf);
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continue;
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}
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if (bin_len > sizeof(p)) {
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printf("Too long P (%u)\n", (unsigned) bin_len);
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return 1;
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}
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os_memcpy(p, bin, bin_len);
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p_len = bin_len;
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if (p_len % 8 != 0 || c_len % 8 != 0 ||
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c_len - p_len != 8) {
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printf("invalid parameter length (p_len=%u c_len=%u)\n",
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(unsigned) p_len, (unsigned) c_len);
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continue;
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}
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}
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if (aes_unwrap(k, k_len, (c_len / 8) - 1, c, result)) {
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if (fail) {
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printf("OK (fail reported)\n");
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ok++;
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continue;
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}
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printf("aes_unwrap() failed\n");
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ret++;
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continue;
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}
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if (fail) {
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printf("FAIL (mismatch not reported)\n");
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ret++;
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} else if (os_memcmp(p, result, p_len) == 0) {
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printf("OK\n");
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ok++;
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} else {
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printf("FAIL\n");
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ret++;
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}
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}
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fclose(f);
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if (ret)
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printf("Test case failed\n");
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else
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printf("%d test vectors OK\n", ok);
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return ret;
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}
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int main(int argc, char *argv[])
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{
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u8 result[24];
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@ -759,6 +1034,11 @@ int main(int argc, char *argv[])
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unsigned int i;
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struct omac1_test_vector *tv;
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if (argc >= 3 && os_strcmp(argv[1], "NIST-KW-AE") == 0)
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ret += test_nist_key_wrap_ae(argv[2]);
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else if (argc >= 3 && os_strcmp(argv[1], "NIST-KW-AD") == 0)
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ret += test_nist_key_wrap_ad(argv[2]);
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ret += test_key_wrap();
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test_aes_perf();
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