# define OSSL_SELF_TEST_TYPE_INSTALL_INTEGRITY "Install_Integrity"
# define OSSL_SELF_TEST_TYPE_CRNG "Continuous_RNG_Test"
# define OSSL_SELF_TEST_TYPE_PCT "Conditional_PCT"
+# define OSSL_SELF_TEST_TYPE_PCT_KAT "Conditional_KAT"
+# define OSSL_SELF_TEST_TYPE_KAT_INTEGRITY "KAT_Integrity"
# define OSSL_SELF_TEST_TYPE_KAT_CIPHER "KAT_Cipher"
# define OSSL_SELF_TEST_TYPE_KAT_ASYM_CIPHER "KAT_AsymmetricCipher"
# define OSSL_SELF_TEST_TYPE_KAT_DIGEST "KAT_Digest"
}
#endif
+/*
+ * We need an explicit HMAC-SHA-256 KAT even though it is also
+ * checked as part of the KDF KATs. Refer IG 10.3.
+ */
+static const unsigned char hmac_kat_pt[] = {
+ 0xdd, 0x0c, 0x30, 0x33, 0x35, 0xf9, 0xe4, 0x2e,
+ 0xc2, 0xef, 0xcc, 0xbf, 0x07, 0x95, 0xee, 0xa2
+};
+static const unsigned char hmac_kat_key[] = {
+ 0xf4, 0x55, 0x66, 0x50, 0xac, 0x31, 0xd3, 0x54,
+ 0x61, 0x61, 0x0b, 0xac, 0x4e, 0xd8, 0x1b, 0x1a,
+ 0x18, 0x1b, 0x2d, 0x8a, 0x43, 0xea, 0x28, 0x54,
+ 0xcb, 0xae, 0x22, 0xca, 0x74, 0x56, 0x08, 0x13
+};
+static const unsigned char hmac_kat_digest[] = {
+ 0xf5, 0xf5, 0xe5, 0xf2, 0x66, 0x49, 0xe2, 0x40,
+ 0xfc, 0x9e, 0x85, 0x7f, 0x2b, 0x9a, 0xbe, 0x28,
+ 0x20, 0x12, 0x00, 0x92, 0x82, 0x21, 0x3e, 0x51,
+ 0x44, 0x5d, 0xe3, 0x31, 0x04, 0x01, 0x72, 0x6b
+};
+
+static int integrity_self_test(OSSL_SELF_TEST *ev, OSSL_LIB_CTX *libctx)
+{
+ int ok = 0;
+ unsigned char out[EVP_MAX_MD_SIZE];
+ size_t out_len = 0;
+
+ OSSL_PARAM params[2];
+ EVP_MAC *mac = EVP_MAC_fetch(libctx, MAC_NAME, NULL);
+ EVP_MAC_CTX *ctx = EVP_MAC_CTX_new(mac);
+
+ OSSL_SELF_TEST_onbegin(ev, OSSL_SELF_TEST_TYPE_KAT_INTEGRITY,
+ OSSL_SELF_TEST_DESC_INTEGRITY_HMAC);
+
+ params[0] = OSSL_PARAM_construct_utf8_string("digest", DIGEST_NAME, 0);
+ params[1] = OSSL_PARAM_construct_end();
+
+ if (ctx == NULL
+ || mac == NULL
+ || !EVP_MAC_init(ctx, hmac_kat_key, sizeof(hmac_kat_key), params)
+ || !EVP_MAC_update(ctx, hmac_kat_pt, sizeof(hmac_kat_pt))
+ || !EVP_MAC_final(ctx, out, &out_len, MAX_MD_SIZE))
+ goto err;
+
+ /* Optional corruption */
+ OSSL_SELF_TEST_oncorrupt_byte(ev, out);
+
+ if (out_len != sizeof(hmac_kat_digest)
+ || memcmp(out, hmac_kat_digest, out_len) != 0)
+ goto err;
+ ok = 1;
+err:
+ OSSL_SELF_TEST_onend(ev, ok);
+ EVP_MAC_free(mac);
+ EVP_MAC_CTX_free(ctx);
+ return ok;
+}
+
/*
* Calculate the HMAC SHA256 of data read using a BIO and read_cb, and verify
* the result matches the expected value.
EVP_MAC_CTX *ctx = NULL;
OSSL_PARAM params[2], *p = params;
+ if (!integrity_self_test(ev, libctx))
+ goto err;
+
OSSL_SELF_TEST_onbegin(ev, event_type, OSSL_SELF_TEST_DESC_INTEGRITY_HMAC);
mac = EVP_MAC_fetch(libctx, MAC_NAME, NULL);
goto end;
}
}
+
ok = 1;
end:
OSSL_SELF_TEST_free(ev);
const char *algorithm;
const char *mdalgorithm;
const ST_KAT_PARAM *key;
+ const unsigned char *entropy;
+ size_t entropy_len;
+ const unsigned char *nonce;
+ size_t nonce_len;
+ const unsigned char *persstr;
+ size_t persstr_len;
const unsigned char *sig_expected; /* Set to NULL if this value changes */
size_t sig_expected_len;
} ST_KAT_SIGN;
};
static const ST_KAT_CIPHER st_kat_cipher_tests[] = {
-#ifndef OPENSSL_NO_DES
- {
- {
- OSSL_SELF_TEST_DESC_CIPHER_TDES,
- "DES-EDE3-CBC",
- ITM(des_ede3_cbc_pt),
- ITM(des_ede3_cbc_ct)
- },
- CIPHER_MODE_ENCRYPT | CIPHER_MODE_DECRYPT,
- ITM(des_ede3_cbc_key),
- ITM(des_ede3_cbc_iv),
- },
-#endif
{
{
OSSL_SELF_TEST_DESC_CIPHER_AES_GCM,
0xc4, 0xb7, 0x33, 0x68, 0xe4, 0x24, 0xa9, 0x12,
0x82
};
+static const unsigned char ecdsa_prime_expected_sig[] = {
+ 0x30, 0x3d, 0x02, 0x1d, 0x00, 0xd2, 0x4a, 0xc9,
+ 0x4f, 0xaf, 0xdb, 0x62, 0xfc, 0x41, 0x4a, 0x81,
+ 0x2a, 0x9f, 0xcf, 0xa3, 0xda, 0xfe, 0xa3, 0x49,
+ 0xbd, 0xea, 0xbf, 0x2a, 0x51, 0xb4, 0x0b, 0xc3,
+ 0xbc, 0x02, 0x1c, 0x7f, 0x30, 0xb7, 0xad, 0xab,
+ 0x09, 0x6e, 0x3c, 0xad, 0x7f, 0xf9, 0x5e, 0xaa,
+ 0xe2, 0x38, 0xe5, 0x29, 0x16, 0xc4, 0xc8, 0x77,
+ 0xa1, 0xf8, 0x60, 0x77, 0x39, 0x7a, 0xec
+};
static const ST_KAT_PARAM ecdsa_prime_key[] = {
ST_KAT_PARAM_UTF8STRING(OSSL_PKEY_PARAM_GROUP_NAME, ecd_prime_curve_name),
ST_KAT_PARAM_OCTET(OSSL_PKEY_PARAM_PUB_KEY, ecd_prime_pub),
0x02, 0xa8, 0xe9, 0x6f, 0x54, 0xfd, 0x3a, 0x6b,
0x99, 0xb6, 0x8f, 0x80, 0x46
};
+static const unsigned char ecdsa_bin_expected_sig[] = {
+ 0x30, 0x3f, 0x02, 0x1d, 0x08, 0x11, 0x7c, 0xcd,
+ 0xf4, 0xa1, 0x31, 0x9a, 0xc1, 0xfd, 0x50, 0x0e,
+ 0x5d, 0xa9, 0xb6, 0x0e, 0x95, 0x49, 0xe1, 0xbd,
+ 0x44, 0xe3, 0x5b, 0xa9, 0x35, 0x94, 0xa5, 0x2f,
+ 0xae, 0x02, 0x1e, 0x00, 0xe3, 0xba, 0xb8, 0x8f,
+ 0x4b, 0x05, 0x76, 0x88, 0x1e, 0x49, 0xd6, 0x62,
+ 0x76, 0xd3, 0x22, 0x4d, 0xa3, 0x7b, 0x04, 0xcc,
+ 0xfa, 0x7b, 0x41, 0x9b, 0x8c, 0xaf, 0x1b, 0x6d,
+ 0xbd
+};
static const ST_KAT_PARAM ecdsa_bin_key[] = {
ST_KAT_PARAM_UTF8STRING(OSSL_PKEY_PARAM_GROUP_NAME, ecd_bin_curve_name),
ST_KAT_PARAM_OCTET(OSSL_PKEY_PARAM_PUB_KEY, ecd_bin_pub),
0x66, 0x35, 0xba, 0xc3, 0x94, 0x23, 0x50, 0x5e,
0x40, 0x7e, 0x5c, 0xb7
};
+static const unsigned char dsa_expected_sig[] = {
+ 0x30, 0x3c, 0x02, 0x1c, 0x70, 0xa4, 0x77, 0xb6,
+ 0x02, 0xb5, 0xd3, 0x07, 0x21, 0x22, 0x2d, 0xe3,
+ 0x4f, 0x7d, 0xfd, 0xfd, 0x6b, 0x4f, 0x03, 0x27,
+ 0x4c, 0xd3, 0xb2, 0x8c, 0x7c, 0xc5, 0xc4, 0xdf,
+ 0x02, 0x1c, 0x11, 0x52, 0x65, 0x16, 0x9f, 0xbd,
+ 0x4c, 0xe5, 0xab, 0xb2, 0x01, 0xd0, 0x7a, 0x30,
+ 0x5c, 0xc5, 0xba, 0x22, 0xc6, 0x62, 0x7e, 0xa6,
+ 0x7d, 0x98, 0x96, 0xc9, 0x77, 0x00
+};
static const ST_KAT_PARAM dsa_key[] = {
ST_KAT_PARAM_BIGNUM(OSSL_PKEY_PARAM_FFC_P, dsa_p),
};
#endif /* OPENSSL_NO_DSA */
+/* Hash DRBG inputs for signature KATs */
+static const unsigned char sig_kat_entropyin[] = {
+ 0x06, 0x6d, 0xc8, 0xce, 0x75, 0xb2, 0x89, 0x66, 0xa6, 0x85, 0x16, 0x3f,
+ 0xe2, 0xa4, 0xd4, 0x27, 0xfb, 0xdb, 0x61, 0x66, 0x50, 0x61, 0x6b, 0xa2,
+ 0x82, 0xfc, 0x33, 0x2b, 0x4e, 0x6f, 0x12, 0x20
+};
+static const unsigned char sig_kat_nonce[] = {
+ 0x55, 0x9f, 0x7c, 0x64, 0x89, 0x70, 0x83, 0xec, 0x2d, 0x73, 0x70, 0xd9,
+ 0xf0, 0xe5, 0x07, 0x1f
+};
+static const unsigned char sig_kat_persstr[] = {
+ 0x88, 0x6f, 0x54, 0x9a, 0xad, 0x1a, 0xc6, 0x3d, 0x18, 0xcb, 0xcc, 0x66,
+ 0x85, 0xda, 0xa2, 0xc2, 0xf7, 0x9e, 0xb0, 0x89, 0x4c, 0xb4, 0xae, 0xf1,
+ 0xac, 0x54, 0x4f, 0xce, 0x57, 0xf1, 0x5e, 0x11
+};
+
static const ST_KAT_SIGN st_kat_sign_tests[] = {
{
OSSL_SELF_TEST_DESC_SIGN_RSA,
"RSA",
"SHA-256",
rsa_crt_key,
+ ITM(sig_kat_entropyin),
+ ITM(sig_kat_nonce),
+ ITM(sig_kat_persstr),
ITM(rsa_expected_sig)
},
#ifndef OPENSSL_NO_EC
"EC",
"SHA-256",
ecdsa_prime_key,
- /*
- * The ECDSA signature changes each time due to it using a random k.
- * So there is no expected KAT for this case.
- */
+ ITM(sig_kat_entropyin),
+ ITM(sig_kat_nonce),
+ ITM(sig_kat_persstr),
+ ITM(ecdsa_prime_expected_sig)
},
# ifndef OPENSSL_NO_EC2M
{
"EC",
"SHA-256",
ecdsa_bin_key,
- /*
- * The ECDSA signature changes each time due to it using a random k.
- * So there is no expected KAT for this case.
- */
+ ITM(sig_kat_entropyin),
+ ITM(sig_kat_nonce),
+ ITM(sig_kat_persstr),
+ ITM(ecdsa_bin_expected_sig)
},
# endif
#endif /* OPENSSL_NO_EC */
"DSA",
"SHA-256",
dsa_key,
- /*
- * The DSA signature changes each time due to it using a random k.
- * So there is no expected KAT for this case.
- */
+ ITM(sig_kat_entropyin),
+ ITM(sig_kat_nonce),
+ ITM(sig_kat_persstr),
+ ITM(dsa_expected_sig)
},
#endif /* OPENSSL_NO_DSA */
};
#include <openssl/kdf.h>
#include <openssl/core_names.h>
#include <openssl/param_build.h>
+#include <openssl/rand.h>
#include "internal/cryptlib.h"
#include "internal/nelem.h"
#include "self_test.h"
#include "self_test_data.inc"
+static int set_kat_drbg(OSSL_LIB_CTX *ctx,
+ const unsigned char *entropy, size_t entropy_len,
+ const unsigned char *nonce, size_t nonce_len,
+ const unsigned char *persstr, size_t persstr_len);
+static int reset_original_drbg(OSSL_LIB_CTX *ctx);
+
static int self_test_digest(const ST_KAT_DIGEST *t, OSSL_SELF_TEST *st,
OSSL_LIB_CTX *libctx)
{
#endif /* !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_EC) */
static int self_test_sign(const ST_KAT_SIGN *t,
- OSSL_SELF_TEST *st, OSSL_LIB_CTX *libctx)
+ OSSL_SELF_TEST *st, OSSL_LIB_CTX *libctx)
{
int ret = 0;
OSSL_PARAM *params = NULL, *params_sig = NULL;
|| EVP_PKEY_CTX_set_params(sctx, params_sig) <= 0)
goto err;
- /*
- * Used by RSA, for other key types where the signature changes, we
- * can only use the verify.
- */
if (t->sig_expected != NULL
&& (siglen != t->sig_expected_len
|| memcmp(sig, t->sig_expected, t->sig_expected_len) != 0))
static int self_test_signatures(OSSL_SELF_TEST *st, OSSL_LIB_CTX *libctx)
{
int i, ret = 1;
-
- for (i = 0; i < (int)OSSL_NELEM(st_kat_sign_tests); ++i) {
- if (!self_test_sign(&st_kat_sign_tests[i], st, libctx))
+ const ST_KAT_SIGN *t;
+
+ for (i = 0; ret && i < (int)OSSL_NELEM(st_kat_sign_tests); ++i) {
+ t = st_kat_sign_tests + i;
+ if (!set_kat_drbg(libctx, t->entropy, t->entropy_len,
+ t->nonce, t->nonce_len, t->persstr, t->persstr_len))
+ return 0;
+ if (!self_test_sign(t, st, libctx))
+ ret = 0;
+ if (!reset_original_drbg(libctx))
ret = 0;
}
return ret;
return ret;
}
+
+/*
+ * Swap the library context DRBG for KAT testing
+ *
+ * In FIPS 140-3, the asymmetric POST must be a KAT, not a PCT. For DSA and ECDSA,
+ * the sign operation includes the random value 'k'. For a KAT to work, we
+ * have to have control of the DRBG to make sure it is in a "test" state, where
+ * its output is truly deterministic.
+ *
+ */
+
+/*
+ * The default private DRBG of the library context, saved for the duration
+ * of KAT testing.
+ */
+static EVP_RAND_CTX *saved_rand = NULL;
+
+/* Replacement "random" source */
+static EVP_RAND_CTX *kat_rand = NULL;
+
+static int set_kat_drbg(OSSL_LIB_CTX *ctx,
+ const unsigned char *entropy, size_t entropy_len,
+ const unsigned char *nonce, size_t nonce_len,
+ const unsigned char *persstr, size_t persstr_len) {
+ EVP_RAND *rand;
+ unsigned int strength = 256;
+ EVP_RAND_CTX *parent_rand = NULL;
+ OSSL_PARAM drbg_params[3] = {
+ OSSL_PARAM_END, OSSL_PARAM_END, OSSL_PARAM_END
+ };
+
+ /* If not NULL, we didn't cleanup from last call: BAD */
+ if (kat_rand != NULL || saved_rand != NULL)
+ return 0;
+
+ rand = EVP_RAND_fetch(ctx, "TEST-RAND", NULL);
+ if (rand == NULL)
+ return 0;
+
+ parent_rand = EVP_RAND_CTX_new(rand, NULL);
+ EVP_RAND_free(rand);
+ if (parent_rand == NULL)
+ goto err;
+
+ drbg_params[0] = OSSL_PARAM_construct_uint(OSSL_RAND_PARAM_STRENGTH, &strength);
+ if (!EVP_RAND_CTX_set_params(parent_rand, drbg_params))
+ goto err;
+
+ rand = EVP_RAND_fetch(ctx, "HASH-DRBG", NULL);
+ if (rand == NULL)
+ goto err;
+
+ kat_rand = EVP_RAND_CTX_new(rand, parent_rand);
+ EVP_RAND_free(rand);
+ if (kat_rand == NULL)
+ goto err;
+
+ drbg_params[0] = OSSL_PARAM_construct_utf8_string("digest", "SHA256", 0);
+ if (!EVP_RAND_CTX_set_params(kat_rand, drbg_params))
+ goto err;
+
+ /* Instantiate the RNGs */
+ drbg_params[0] =
+ OSSL_PARAM_construct_octet_string(OSSL_RAND_PARAM_TEST_ENTROPY,
+ (void *)entropy, entropy_len);
+ drbg_params[1] =
+ OSSL_PARAM_construct_octet_string(OSSL_RAND_PARAM_TEST_NONCE,
+ (void *)nonce, nonce_len);
+ if (!EVP_RAND_instantiate(parent_rand, strength, 0, NULL, 0, drbg_params))
+ goto err;
+
+ EVP_RAND_CTX_free(parent_rand);
+ parent_rand = NULL;
+
+ if (!EVP_RAND_instantiate(kat_rand, strength, 0, persstr, persstr_len, NULL))
+ goto err;
+
+ /* Update the library context DRBG */
+ if ((saved_rand = RAND_get0_private(ctx)) != NULL)
+ /* Avoid freeing this since we replace it */
+ if (!EVP_RAND_CTX_up_ref(saved_rand)) {
+ saved_rand = NULL;
+ goto err;
+ }
+ if (RAND_set0_private(ctx, kat_rand) > 0) {
+ /* Keeping a copy to verify zeroization */
+ if (EVP_RAND_CTX_up_ref(kat_rand))
+ return 1;
+ if (saved_rand != NULL)
+ RAND_set0_private(ctx, saved_rand);
+ }
+
+ err:
+ EVP_RAND_CTX_free(parent_rand);
+ EVP_RAND_CTX_free(saved_rand);
+ EVP_RAND_CTX_free(kat_rand);
+ kat_rand = saved_rand = NULL;
+ return 0;
+}
+
+static int reset_original_drbg(OSSL_LIB_CTX *ctx) {
+ int ret = 1;
+
+ if (saved_rand != NULL) {
+ if (!RAND_set0_private(ctx, saved_rand))
+ ret = 0;
+ saved_rand = NULL;
+ }
+ if (kat_rand != NULL) {
+ if (!EVP_RAND_uninstantiate(kat_rand)
+ || !EVP_RAND_verify_zeroization(kat_rand))
+ ret = 0;
+ EVP_RAND_CTX_free(kat_rand);
+ kat_rand = NULL;
+ }
+ return ret;
+}
+
projects / thirdparty / openssl.git / commitdiff
