if (c >= '0' && c <= '9') {
c -= '0';
} else if (c >= 'A' && c <= 'F') {
- c -= ('A' - 10); \
+ c -= ('A' - 10);
} else if (c >= 'a' && c <= 'f') {
- c -= ('a' - 10); \
+ c -= ('a' - 10);
} else {
continue;
}
br_hmac_key_init(&kc, digest_class, key, key_len);
- for (u = 0; u < 130; u ++) {
+ for (u = 0; u < 2; u ++) {
for (v = 0; v < 130; v ++) {
size_t min_len, max_len;
size_t w;
check_equals("KAT CBC AES decrypt (2)",
buf, plain, data_len);
}
+
+ /*
+ * We want to check proper IV management for CBC:
+ * encryption and decryption must properly copy the _last_
+ * encrypted block as new IV, for all sizes.
+ */
+ for (u = 1; u <= 35; u ++) {
+ br_hmac_drbg_context rng;
+ unsigned char x;
+ size_t key_len, data_len;
+ size_t v;
+
+ br_hmac_drbg_init(&rng, &br_sha256_vtable,
+ "seed for AES/CBC", 16);
+ x = u;
+ br_hmac_drbg_update(&rng, &x, 1);
+ data_len = u << 4;
+ for (key_len = 16; key_len <= 32; key_len += 16) {
+ unsigned char key[32];
+ unsigned char iv[16], iv1[16], iv2[16];
+ unsigned char plain[35 * 16];
+ unsigned char tmp1[sizeof plain];
+ unsigned char tmp2[sizeof plain];
+ br_aes_gen_cbcenc_keys v_ec;
+ br_aes_gen_cbcdec_keys v_dc;
+ const br_block_cbcenc_class **ec;
+ const br_block_cbcdec_class **dc;
+
+ br_hmac_drbg_generate(&rng, key, key_len);
+ br_hmac_drbg_generate(&rng, iv, sizeof iv);
+ br_hmac_drbg_generate(&rng, plain, data_len);
+
+ ec = &v_ec.vtable;
+ ve->init(ec, key, key_len);
+ memcpy(iv1, iv, sizeof iv);
+ memcpy(tmp1, plain, data_len);
+ ve->run(ec, iv1, tmp1, data_len);
+ check_equals("IV CBC AES (1)",
+ tmp1 + data_len - 16, iv1, 16);
+ memcpy(iv2, iv, sizeof iv);
+ memcpy(tmp2, plain, data_len);
+ for (v = 0; v < data_len; v += 16) {
+ ve->run(ec, iv2, tmp2 + v, 16);
+ }
+ check_equals("IV CBC AES (2)",
+ tmp2 + data_len - 16, iv2, 16);
+ check_equals("IV CBC AES (3)",
+ tmp1, tmp2, data_len);
+
+ dc = &v_dc.vtable;
+ vd->init(dc, key, key_len);
+ memcpy(iv1, iv, sizeof iv);
+ vd->run(dc, iv1, tmp1, data_len);
+ check_equals("IV CBC AES (4)", iv1, iv2, 16);
+ check_equals("IV CBC AES (5)",
+ tmp1, plain, data_len);
+ memcpy(iv2, iv, sizeof iv);
+ for (v = 0; v < data_len; v += 16) {
+ vd->run(dc, iv2, tmp2 + v, 16);
+ }
+ check_equals("IV CBC AES (6)", iv1, iv2, 16);
+ check_equals("IV CBC AES (7)",
+ tmp2, plain, data_len);
+ }
+ }
}
if (vc != NULL) {
data_len = hextobin(plain, KAT_AES_CTR[u + 2]);
hextobin(cipher, KAT_AES_CTR[u + 3]);
vc->init(xc, key, key_len);
-
memcpy(buf, plain, data_len);
vc->run(xc, iv, 1, buf, data_len);
check_equals("KAT CTR AES (1)", buf, cipher, data_len);
1, 1);
}
+static void
+test_AES_x86ni(void)
+{
+ const br_block_cbcenc_class *x_cbcenc;
+ const br_block_cbcdec_class *x_cbcdec;
+ const br_block_ctr_class *x_ctr;
+ int hcbcenc, hcbcdec, hctr;
+
+ x_cbcenc = br_aes_x86ni_cbcenc_get_vtable();
+ x_cbcdec = br_aes_x86ni_cbcdec_get_vtable();
+ x_ctr = br_aes_x86ni_ctr_get_vtable();
+ hcbcenc = (x_cbcenc != NULL);
+ hcbcdec = (x_cbcdec != NULL);
+ hctr = (x_ctr != NULL);
+ if (hcbcenc != hctr || hcbcdec != hctr) {
+ fprintf(stderr, "AES_x86ni availability mismatch (%d/%d/%d)\n",
+ hcbcenc, hcbcdec, hctr);
+ exit(EXIT_FAILURE);
+ }
+ if (hctr) {
+ test_AES_generic("AES_x86ni",
+ x_cbcenc, x_cbcdec, x_ctr, 1, 1);
+ } else {
+ printf("Test AES_x86ni: UNAVAILABLE\n");
+ }
+}
+
+static void
+test_AES_pwr8(void)
+{
+ const br_block_cbcenc_class *x_cbcenc;
+ const br_block_cbcdec_class *x_cbcdec;
+ const br_block_ctr_class *x_ctr;
+ int hcbcenc, hcbcdec, hctr;
+
+ x_cbcenc = br_aes_pwr8_cbcenc_get_vtable();
+ x_cbcdec = br_aes_pwr8_cbcdec_get_vtable();
+ x_ctr = br_aes_pwr8_ctr_get_vtable();
+ hcbcenc = (x_cbcenc != NULL);
+ hcbcdec = (x_cbcdec != NULL);
+ hctr = (x_ctr != NULL);
+ if (hcbcenc != hctr || hcbcdec != hctr) {
+ fprintf(stderr, "AES_pwr8 availability mismatch (%d/%d/%d)\n",
+ hcbcenc, hcbcdec, hctr);
+ exit(EXIT_FAILURE);
+ }
+ if (hctr) {
+ test_AES_generic("AES_pwr8",
+ x_cbcenc, x_cbcdec, x_ctr, 1, 1);
+ } else {
+ printf("Test AES_pwr8: UNAVAILABLE\n");
+ }
+}
+
/*
* DES known-answer tests. Order: plaintext, key, ciphertext.
* (mostly from NIST SP 800-20).
};
static void
-test_Poly1305_ctmul(void)
+test_Poly1305_inner(const char *name, br_poly1305_run ipoly,
+ br_poly1305_run iref)
{
size_t u;
+ br_hmac_drbg_context rng;
- printf("Test Poly1305_ctmul: ");
+ printf("Test %s: ", name);
fflush(stdout);
for (u = 0; KAT_POLY1305[u].skey; u ++) {
hextobin(tag, KAT_POLY1305[u].stag);
memcpy(data, plain, len);
- br_poly1305_ctmul_run(key, nonce, data, len,
+ ipoly(key, nonce, data, len,
aad, aad_len, tmp, br_chacha20_ct_run, 1);
- if (memcmp(data, cipher, len) != 0) {
- fprintf(stderr, "ChaCha20+Poly1305 KAT failed (1)\n");
- exit(EXIT_FAILURE);
- }
- if (memcmp(tmp, tag, 16) != 0) {
- fprintf(stderr, "ChaCha20+Poly1305 KAT failed (2)\n");
- exit(EXIT_FAILURE);
- }
- br_poly1305_ctmul_run(key, nonce, data, len,
+ check_equals("ChaCha20+Poly1305 KAT (1)", data, cipher, len);
+ check_equals("ChaCha20+Poly1305 KAT (2)", tmp, tag, 16);
+ ipoly(key, nonce, data, len,
aad, aad_len, tmp, br_chacha20_ct_run, 0);
- if (memcmp(data, plain, len) != 0) {
- fprintf(stderr, "ChaCha20+Poly1305 KAT failed (3)\n");
+ check_equals("ChaCha20+Poly1305 KAT (3)", data, plain, len);
+ check_equals("ChaCha20+Poly1305 KAT (4)", tmp, tag, 16);
+
+ printf(".");
+ fflush(stdout);
+ }
+
+ printf(" ");
+ fflush(stdout);
+
+ /*
+ * We compare the "ipoly" and "iref" implementations together on
+ * a bunch of pseudo-random messages.
+ */
+ br_hmac_drbg_init(&rng, &br_sha256_vtable, "seed for Poly1305", 17);
+ for (u = 0; u < 100; u ++) {
+ unsigned char plain[100], aad[100], tmp[100];
+ unsigned char key[32], iv[12], tag1[16], tag2[16];
+
+ br_hmac_drbg_generate(&rng, key, sizeof key);
+ br_hmac_drbg_generate(&rng, iv, sizeof iv);
+ br_hmac_drbg_generate(&rng, plain, u);
+ br_hmac_drbg_generate(&rng, aad, u);
+ memcpy(tmp, plain, u);
+ memset(tmp + u, 0xFF, (sizeof tmp) - u);
+ ipoly(key, iv, tmp, u, aad, u, tag1,
+ &br_chacha20_ct_run, 1);
+ memset(tmp + u, 0x00, (sizeof tmp) - u);
+ iref(key, iv, tmp, u, aad, u, tag2,
+ &br_chacha20_ct_run, 0);
+ if (memcmp(tmp, plain, u) != 0) {
+ fprintf(stderr, "cross enc/dec failed\n");
exit(EXIT_FAILURE);
}
- if (memcmp(tmp, tag, 16) != 0) {
- fprintf(stderr, "ChaCha20+Poly1305 KAT failed (4)\n");
+ if (memcmp(tag1, tag2, sizeof tag1) != 0) {
+ fprintf(stderr, "cross MAC failed\n");
exit(EXIT_FAILURE);
}
-
printf(".");
fflush(stdout);
}
fflush(stdout);
}
+static void
+test_Poly1305_ctmul(void)
+{
+ test_Poly1305_inner("Poly1305_ctmul", &br_poly1305_ctmul_run,
+ &br_poly1305_i15_run);
+}
+
+static void
+test_Poly1305_ctmul32(void)
+{
+ test_Poly1305_inner("Poly1305_ctmul32", &br_poly1305_ctmul32_run,
+ &br_poly1305_i15_run);
+}
+
+static void
+test_Poly1305_i15(void)
+{
+ test_Poly1305_inner("Poly1305_i15", &br_poly1305_i15_run,
+ &br_poly1305_ctmul_run);
+}
+
+static void
+test_Poly1305_ctmulq(void)
+{
+ br_poly1305_run bp;
+
+ bp = br_poly1305_ctmulq_get();
+ if (bp == 0) {
+ printf("Test Poly1305_ctmulq: UNAVAILABLE\n");
+ } else {
+ test_Poly1305_inner("Poly1305_ctmulq", bp,
+ &br_poly1305_ctmul_run);
+ }
+}
+
/*
* A 1024-bit RSA key, generated with OpenSSL.
*/
fflush(stdout);
}
+static void
+test_RSA_i15(void)
+{
+ test_RSA_core("RSA i15 core", &br_rsa_i15_public, &br_rsa_i15_private);
+ test_RSA_sign("RSA i15 sign", &br_rsa_i15_private,
+ &br_rsa_i15_pkcs1_sign, &br_rsa_i15_pkcs1_vrfy);
+}
+
static void
test_RSA_i31(void)
{
&br_rsa_i32_pkcs1_sign, &br_rsa_i32_pkcs1_vrfy);
}
+static void
+test_RSA_i62(void)
+{
+ br_rsa_public pub;
+ br_rsa_private priv;
+ br_rsa_pkcs1_sign sign;
+ br_rsa_pkcs1_vrfy vrfy;
+
+ pub = br_rsa_i62_public_get();
+ priv = br_rsa_i62_private_get();
+ sign = br_rsa_i62_pkcs1_sign_get();
+ vrfy = br_rsa_i62_pkcs1_vrfy_get();
+ if (pub) {
+ if (!priv || !sign || !vrfy) {
+ fprintf(stderr, "Inconsistent i62 availability\n");
+ exit(EXIT_FAILURE);
+ }
+ test_RSA_core("RSA i62 core", pub, priv);
+ test_RSA_sign("RSA i62 sign", priv, sign, vrfy);
+ } else {
+ if (priv || sign || vrfy) {
+ fprintf(stderr, "Inconsistent i62 availability\n");
+ exit(EXIT_FAILURE);
+ }
+ printf("Test RSA i62: UNAVAILABLE\n");
+ }
+}
+
#if 0
static void
test_RSA_signatures(void)
check_equals("KAT GHASH", y, ref, sizeof ref);
}
+ for (u = 0; u <= 1024; u ++) {
+ unsigned char key[32], iv[12];
+ unsigned char buf[1024 + 32];
+ unsigned char y0[16], y1[16];
+ char tmp[100];
+
+ memset(key, 0, sizeof key);
+ memset(iv, 0, sizeof iv);
+ br_enc32be(key, u);
+ memset(buf, 0, sizeof buf);
+ br_chacha20_ct_run(key, iv, 1, buf, sizeof buf);
+
+ memcpy(y0, buf, 16);
+ br_ghash_ctmul32(y0, buf + 16, buf + 32, u);
+ memcpy(y1, buf, 16);
+ gh(y1, buf + 16, buf + 32, u);
+ sprintf(tmp, "XREF %s (len = %u)", name, (unsigned)u);
+ check_equals(tmp, y0, y1, 16);
+
+ if ((u & 31) == 0) {
+ printf(".");
+ fflush(stdout);
+ }
+ }
+
printf("done.\n");
fflush(stdout);
}
test_GHASH("GHASH_ctmul64", br_ghash_ctmul64);
}
+static void
+test_GHASH_pclmul(void)
+{
+ br_ghash gh;
+
+ gh = br_ghash_pclmul_get();
+ if (gh == 0) {
+ printf("Test GHASH_pclmul: UNAVAILABLE\n");
+ } else {
+ test_GHASH("GHASH_pclmul", gh);
+ }
+}
+
+static void
+test_GHASH_pwr8(void)
+{
+ br_ghash gh;
+
+ gh = br_ghash_pwr8_get();
+ if (gh == 0) {
+ printf("Test GHASH_pwr8: UNAVAILABLE\n");
+ } else {
+ test_GHASH("GHASH_pwr8", gh);
+ }
+}
+
static void
test_EC_inner(const char *sk, const char *sU,
const br_ec_impl *impl, int curve)
exit(EXIT_FAILURE);
}
+ /*
+ * Also recomputed D = z*G with mulgen(). This must
+ * again match.
+ */
+ memset(eD, 0, ulen);
+ if (impl->mulgen(eD, bz, nlen, cd->curve) != ulen) {
+ fprintf(stderr, "mulgen() failed: wrong length\n");
+ exit(EXIT_FAILURE);
+ }
+ if (memcmp(eC, eD, nlen) != 0) {
+ fprintf(stderr, "mulgen() / muladd() mismatch\n");
+ exit(EXIT_FAILURE);
+ }
+
/*
* Check with x*A = y*B. We do so by setting b = x and y = a.
*/
fflush(stdout);
}
+static void
+test_EC_prime_i15(void)
+{
+ test_EC_KAT("EC_prime_i15", &br_ec_prime_i15,
+ (uint32_t)1 << BR_EC_secp256r1
+ | (uint32_t)1 << BR_EC_secp384r1
+ | (uint32_t)1 << BR_EC_secp521r1);
+}
+
static void
test_EC_prime_i31(void)
{
| (uint32_t)1 << BR_EC_secp521r1);
}
+static void
+test_EC_p256_m15(void)
+{
+ test_EC_KAT("EC_p256_m15", &br_ec_p256_m15,
+ (uint32_t)1 << BR_EC_secp256r1);
+}
+
+static void
+test_EC_p256_m31(void)
+{
+ test_EC_KAT("EC_p256_m31", &br_ec_p256_m31,
+ (uint32_t)1 << BR_EC_secp256r1);
+}
+
+const struct {
+ const char *scalar;
+ const char *u_in;
+ const char *u_out;
+} C25519_KAT[] = {
+ { "A546E36BF0527C9D3B16154B82465EDD62144C0AC1FC5A18506A2244BA449AC4",
+ "E6DB6867583030DB3594C1A424B15F7C726624EC26B3353B10A903A6D0AB1C4C",
+ "C3DA55379DE9C6908E94EA4DF28D084F32ECCF03491C71F754B4075577A28552" },
+ { "4B66E9D4D1B4673C5AD22691957D6AF5C11B6421E0EA01D42CA4169E7918BA0D",
+ "E5210F12786811D3F4B7959D0538AE2C31DBE7106FC03C3EFC4CD549C715A493",
+ "95CBDE9476E8907D7AADE45CB4B873F88B595A68799FA152E6F8F7647AAC7957" },
+ { 0, 0, 0 }
+};
+
+static void
+test_EC_c25519(const char *name, const br_ec_impl *iec)
+{
+ unsigned char bu[32], bk[32], br[32];
+ size_t v;
+ int i;
+
+ printf("Test %s: ", name);
+ fflush(stdout);
+ for (v = 0; C25519_KAT[v].scalar; v ++) {
+ hextobin(bk, C25519_KAT[v].scalar);
+ hextobin(bu, C25519_KAT[v].u_in);
+ hextobin(br, C25519_KAT[v].u_out);
+ if (!iec->mul(bu, sizeof bu, bk, sizeof bk, BR_EC_curve25519)) {
+ fprintf(stderr, "Curve25519 multiplication failed\n");
+ exit(EXIT_FAILURE);
+ }
+ if (memcmp(bu, br, sizeof bu) != 0) {
+ fprintf(stderr, "Curve25519 failed KAT\n");
+ exit(EXIT_FAILURE);
+ }
+ printf(".");
+ fflush(stdout);
+ }
+ printf(" ");
+ fflush(stdout);
+
+ memset(bu, 0, sizeof bu);
+ bu[0] = 0x09;
+ memcpy(bk, bu, sizeof bu);
+ for (i = 1; i <= 1000; i ++) {
+ if (!iec->mul(bu, sizeof bu, bk, sizeof bk, BR_EC_curve25519)) {
+ fprintf(stderr, "Curve25519 multiplication failed"
+ " (iter=%d)\n", i);
+ exit(EXIT_FAILURE);
+ }
+ for (v = 0; v < sizeof bu; v ++) {
+ unsigned t;
+
+ t = bu[v];
+ bu[v] = bk[v];
+ bk[v] = t;
+ }
+ if (i == 1 || i == 1000) {
+ const char *sref;
+
+ sref = (i == 1)
+ ? "422C8E7A6227D7BCA1350B3E2BB7279F7897B87BB6854B783C60E80311AE3079"
+ : "684CF59BA83309552800EF566F2F4D3C1C3887C49360E3875F2EB94D99532C51";
+ hextobin(br, sref);
+ if (memcmp(bk, br, sizeof bk) != 0) {
+ fprintf(stderr,
+ "Curve25519 failed KAT (iter=%d)\n", i);
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (i % 100 == 0) {
+ printf(".");
+ fflush(stdout);
+ }
+ }
+
+ printf(" done.\n");
+ fflush(stdout);
+}
+
+static void
+test_EC_c25519_i15(void)
+{
+ test_EC_c25519("EC_c25519_i15", &br_ec_c25519_i15);
+}
+
+static void
+test_EC_c25519_i31(void)
+{
+ test_EC_c25519("EC_c25519_i31", &br_ec_c25519_i31);
+}
+
+static void
+test_EC_c25519_m15(void)
+{
+ test_EC_c25519("EC_c25519_m15", &br_ec_c25519_m15);
+}
+
+static void
+test_EC_c25519_m31(void)
+{
+ test_EC_c25519("EC_c25519_m31", &br_ec_c25519_m31);
+}
+
static const unsigned char EC_P256_PUB_POINT[] = {
0x04, 0x60, 0xFE, 0xD4, 0xBA, 0x25, 0x5A, 0x9D,
0x31, 0xC9, 0x61, 0xEB, 0x74, 0xC6, 0x35, 0x6D,
};
static void
-test_ECDSA_KAT(br_ecdsa_sign sign, br_ecdsa_vrfy vrfy, int asn1)
+test_ECDSA_KAT(const br_ec_impl *iec,
+ br_ecdsa_sign sign, br_ecdsa_vrfy vrfy, int asn1)
{
size_t u;
sig_len = hextobin(sig, kv->sraw);
}
- if (vrfy(&br_ec_prime_i31, hash, hash_len,
+ if (vrfy(iec, hash, hash_len,
kv->pub, sig, sig_len) != 1)
{
fprintf(stderr, "ECDSA KAT verify failed (1)\n");
exit(EXIT_FAILURE);
}
hash[0] ^= 0x80;
- if (vrfy(&br_ec_prime_i31, hash, hash_len,
+ if (vrfy(iec, hash, hash_len,
kv->pub, sig, sig_len) != 0)
{
fprintf(stderr, "ECDSA KAT verify shoud have failed\n");
exit(EXIT_FAILURE);
}
hash[0] ^= 0x80;
- if (vrfy(&br_ec_prime_i31, hash, hash_len,
+ if (vrfy(iec, hash, hash_len,
kv->pub, sig, sig_len) != 1)
{
fprintf(stderr, "ECDSA KAT verify failed (2)\n");
exit(EXIT_FAILURE);
}
- sig2_len = sign(&br_ec_prime_i31, kv->hf, hash, kv->priv, sig2);
+ sig2_len = sign(iec, kv->hf, hash, kv->priv, sig2);
if (sig2_len == 0) {
fprintf(stderr, "ECDSA KAT sign failed\n");
exit(EXIT_FAILURE);
fflush(stdout);
printf("[raw]");
fflush(stdout);
- test_ECDSA_KAT(&br_ecdsa_i31_sign_raw, &br_ecdsa_i31_vrfy_raw, 0);
+ test_ECDSA_KAT(&br_ec_prime_i31,
+ &br_ecdsa_i31_sign_raw, &br_ecdsa_i31_vrfy_raw, 0);
+ printf(" [asn1]");
+ fflush(stdout);
+ test_ECDSA_KAT(&br_ec_prime_i31,
+ &br_ecdsa_i31_sign_asn1, &br_ecdsa_i31_vrfy_asn1, 1);
+ printf(" done.\n");
+ fflush(stdout);
+}
+
+static void
+test_ECDSA_i15(void)
+{
+ printf("Test ECDSA/i15: ");
+ fflush(stdout);
+ printf("[raw]");
+ fflush(stdout);
+ test_ECDSA_KAT(&br_ec_prime_i15,
+ &br_ecdsa_i15_sign_raw, &br_ecdsa_i15_vrfy_raw, 0);
printf(" [asn1]");
fflush(stdout);
- test_ECDSA_KAT(&br_ecdsa_i31_sign_asn1, &br_ecdsa_i31_vrfy_asn1, 1);
+ test_ECDSA_KAT(&br_ec_prime_i31,
+ &br_ecdsa_i15_sign_asn1, &br_ecdsa_i15_vrfy_asn1, 1);
+ printf(" done.\n");
+ fflush(stdout);
+}
+
+static void
+test_modpow_i31(void)
+{
+ br_hmac_drbg_context hc;
+ int k;
+
+ printf("Test ModPow/i31: ");
+
+ br_hmac_drbg_init(&hc, &br_sha256_vtable, "seed modpow", 11);
+ for (k = 10; k <= 500; k ++) {
+ size_t blen;
+ unsigned char bm[128], bx[128], bx1[128], bx2[128];
+ unsigned char be[128];
+ unsigned mask;
+ uint32_t x1[35], m1[35];
+ uint16_t x2[70], m2[70];
+ uint32_t tmp1[1000];
+ uint16_t tmp2[2000];
+
+ blen = (k + 7) >> 3;
+ br_hmac_drbg_generate(&hc, bm, blen);
+ br_hmac_drbg_generate(&hc, bx, blen);
+ br_hmac_drbg_generate(&hc, be, blen);
+ bm[blen - 1] |= 0x01;
+ mask = 0xFF >> ((int)(blen << 3) - k);
+ bm[0] &= mask;
+ bm[0] |= (mask - (mask >> 1));
+ bx[0] &= (mask >> 1);
+
+ br_i31_decode(m1, bm, blen);
+ br_i31_decode_mod(x1, bx, blen, m1);
+ br_i31_modpow_opt(x1, be, blen, m1, br_i31_ninv31(m1[1]),
+ tmp1, (sizeof tmp1) / (sizeof tmp1[0]));
+ br_i31_encode(bx1, blen, x1);
+
+ br_i15_decode(m2, bm, blen);
+ br_i15_decode_mod(x2, bx, blen, m2);
+ br_i15_modpow_opt(x2, be, blen, m2, br_i15_ninv15(m2[1]),
+ tmp2, (sizeof tmp2) / (sizeof tmp2[0]));
+ br_i15_encode(bx2, blen, x2);
+
+ check_equals("ModPow i31/i15", bx1, bx2, blen);
+
+ printf(".");
+ fflush(stdout);
+ }
+
+ printf(" done.\n");
+ fflush(stdout);
+}
+
+static void
+test_modpow_i62(void)
+{
+ br_hmac_drbg_context hc;
+ int k;
+
+ printf("Test ModPow/i62: ");
+
+ br_hmac_drbg_init(&hc, &br_sha256_vtable, "seed modpow", 11);
+ for (k = 10; k <= 500; k ++) {
+ size_t blen;
+ unsigned char bm[128], bx[128], bx1[128], bx2[128];
+ unsigned char be[128];
+ unsigned mask;
+ uint32_t x1[35], m1[35];
+ uint16_t x2[70], m2[70];
+ uint64_t tmp1[500];
+ uint16_t tmp2[2000];
+
+ blen = (k + 7) >> 3;
+ br_hmac_drbg_generate(&hc, bm, blen);
+ br_hmac_drbg_generate(&hc, bx, blen);
+ br_hmac_drbg_generate(&hc, be, blen);
+ bm[blen - 1] |= 0x01;
+ mask = 0xFF >> ((int)(blen << 3) - k);
+ bm[0] &= mask;
+ bm[0] |= (mask - (mask >> 1));
+ bx[0] &= (mask >> 1);
+
+ br_i31_decode(m1, bm, blen);
+ br_i31_decode_mod(x1, bx, blen, m1);
+ br_i62_modpow_opt(x1, be, blen, m1, br_i31_ninv31(m1[1]),
+ tmp1, (sizeof tmp1) / (sizeof tmp1[0]));
+ br_i31_encode(bx1, blen, x1);
+
+ br_i15_decode(m2, bm, blen);
+ br_i15_decode_mod(x2, bx, blen, m2);
+ br_i15_modpow_opt(x2, be, blen, m2, br_i15_ninv15(m2[1]),
+ tmp2, (sizeof tmp2) / (sizeof tmp2[0]));
+ br_i15_encode(bx2, blen, x2);
+
+ check_equals("ModPow i62/i15", bx1, bx2, blen);
+
+ printf(".");
+ fflush(stdout);
+ }
+
printf(" done.\n");
fflush(stdout);
}
STU(AES_small),
STU(AES_ct),
STU(AES_ct64),
+ STU(AES_pwr8),
+ STU(AES_x86ni),
STU(DES_tab),
STU(DES_ct),
STU(ChaCha20_ct),
STU(Poly1305_ctmul),
+ STU(Poly1305_ctmul32),
+ STU(Poly1305_ctmulq),
+ STU(Poly1305_i15),
+ STU(RSA_i15),
STU(RSA_i31),
STU(RSA_i32),
+ STU(RSA_i62),
STU(GHASH_ctmul),
STU(GHASH_ctmul32),
STU(GHASH_ctmul64),
+ STU(GHASH_pclmul),
+ STU(GHASH_pwr8),
+ STU(EC_prime_i15),
STU(EC_prime_i31),
- /* STU(EC_prime_i32), */
+ STU(EC_p256_m15),
+ STU(EC_p256_m31),
+ STU(EC_c25519_i15),
+ STU(EC_c25519_i31),
+ STU(EC_c25519_m15),
+ STU(EC_c25519_m31),
+ STU(ECDSA_i15),
STU(ECDSA_i31),
+ STU(modpow_i31),
+ STU(modpow_i62),
{ 0, 0 }
};
projects / BearSSL / blobdiff