const EVP_CIPHER *evp_get_fips_cipher(const EVP_CIPHER *cipher)
{
int nid = cipher->nid;
if (nid == NID_undef)
return FIPS_evp_enc_null();
else
return FIPS_get_cipherbynid(nid);
}
int FIPS_selftest_cmac()
{
size_t n, outlen;
unsigned char out[32];
const EVP_CIPHER *cipher;
CMAC_CTX *ctx = CMAC_CTX_new();
const CMAC_KAT *t;
int rv = 1;
for (n = 0, t = vector; n < sizeof(vector) / sizeof(vector[0]); n++, t++) {
cipher = FIPS_get_cipherbynid(t->nid);
if (!cipher) {
rv = -1;
goto err;
}
if (!CMAC_Init(ctx, t->key, t->keysize / 8, cipher, 0)) {
rv = -1;
goto err;
}
if (!CMAC_Update(ctx, t->msg, t->msgsize / 8)) {
rv = -1;
goto err;
}
if (!CMAC_Final(ctx, out, &outlen)) {
rv = -1;
goto err;
}
CMAC_CTX_cleanup(ctx);
if (outlen < t->macsize / 8 || memcmp(out, t->mac, t->macsize / 8)) {
rv = 0;
}
}
err:
CMAC_CTX_free(ctx);
if (rv == -1) {
rv = 0;
}
if (!rv)
FIPSerr(FIPS_F_FIPS_SELFTEST_CMAC, FIPS_R_SELFTEST_FAILED);
return rv;
}
int FIPS_selftest_cmac()
{
size_t n, outlen;
unsigned char out[32];
const EVP_CIPHER *cipher;
CMAC_CTX *ctx = CMAC_CTX_new();
const CMAC_KAT *t;
int subid = -1, rv = 1;
for(n=0,t=vector; n<sizeof(vector)/sizeof(vector[0]); n++,t++)
{
cipher = FIPS_get_cipherbynid(t->nid);
if (!cipher)
{
rv = -1;
goto err;
}
subid = M_EVP_CIPHER_nid(cipher);
if (!fips_post_started(FIPS_TEST_CMAC, subid, 0))
continue;
if (!CMAC_Init(ctx, t->key, t->keysize/8, cipher, 0))
{
rv = -1;
goto err;
}
if (!CMAC_Update(ctx, t->msg, t->msgsize/8))
{
rv = -1;
goto err;
}
if (!fips_post_corrupt(FIPS_TEST_CMAC, subid, NULL))
{
if (!CMAC_Update(ctx, t->msg, 1))
{
rv = -1;
goto err;
}
}
if (!CMAC_Final(ctx, out, &outlen))
{
rv = -1;
goto err;
}
CMAC_CTX_cleanup(ctx);
if(outlen < t->macsize/8 || memcmp(out,t->mac,t->macsize/8))
{
fips_post_failed(FIPS_TEST_CMAC, subid, NULL);
rv = 0;
}
else if (!fips_post_success(FIPS_TEST_CMAC, subid, NULL))
{
rv = 0;
goto err;
}
}
err:
CMAC_CTX_free(ctx);
if (rv == -1)
{
fips_post_failed(FIPS_TEST_CMAC, subid, NULL);
rv = 0;
}
if (!rv)
FIPSerr(FIPS_F_FIPS_SELFTEST_CMAC,FIPS_R_SELFTEST_FAILED);
return rv;
}