mirror of
https://github.com/clearml/dropbear
synced 2025-06-26 18:17:32 +00:00
Fix whitespace changes vs upstream libtomcrypt
This commit is contained in:
@@ -14,10 +14,10 @@
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/**
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@file ecc_sign_hash.c
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ECC Crypto, Tom St Denis
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*/
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*/
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static int _ecc_sign_hash(const unsigned char *in, unsigned long inlen,
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unsigned char *out, unsigned long *outlen,
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unsigned char *out, unsigned long *outlen,
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prng_state *prng, int wprng, ecc_key *key, int sigformat)
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{
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ecc_key pubkey;
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@@ -35,21 +35,21 @@ static int _ecc_sign_hash(const unsigned char *in, unsigned long inlen,
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if (key->type != PK_PRIVATE) {
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return CRYPT_PK_NOT_PRIVATE;
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}
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/* is the IDX valid ? */
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if (ltc_ecc_is_valid_idx(key->idx) != 1) {
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return CRYPT_PK_INVALID_TYPE;
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}
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if ((err = prng_is_valid(wprng)) != CRYPT_OK) {
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return err;
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}
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/* init the bignums */
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if ((err = mp_init_multi(&r, &s, &p, &e, NULL)) != CRYPT_OK) {
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if ((err = mp_init_multi(&r, &s, &p, &e, NULL)) != CRYPT_OK) {
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return err;
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}
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if ((err = mp_read_radix(p, (char *)key->dp->order, 16)) != CRYPT_OK) { goto errnokey; }
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if ((err = mp_read_radix(p, (char *)key->dp->order, 16)) != CRYPT_OK) { goto errnokey; }
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/* get the hash and load it as a bignum into 'e' */
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pbits = mp_count_bits(p);
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@@ -77,21 +77,21 @@ static int _ecc_sign_hash(const unsigned char *in, unsigned long inlen,
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}
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/* find r = x1 mod n */
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if ((err = mp_mod(pubkey.pubkey.x, p, r)) != CRYPT_OK) { goto error; }
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if ((err = mp_mod(pubkey.pubkey.x, p, r)) != CRYPT_OK) { goto error; }
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if (mp_iszero(r) == LTC_MP_YES) {
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ecc_free(&pubkey);
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} else {
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/* find s = (e + xr)/k */
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if ((err = mp_invmod(pubkey.k, p, pubkey.k)) != CRYPT_OK) { goto error; } /* k = 1/k */
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if ((err = mp_mulmod(key->k, r, p, s)) != CRYPT_OK) { goto error; } /* s = xr */
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if ((err = mp_add(e, s, s)) != CRYPT_OK) { goto error; } /* s = e + xr */
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if ((err = mp_mod(s, p, s)) != CRYPT_OK) { goto error; } /* s = e + xr */
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if ((err = mp_mulmod(s, pubkey.k, p, s)) != CRYPT_OK) { goto error; } /* s = (e + xr)/k */
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ecc_free(&pubkey);
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if (mp_iszero(s) == LTC_MP_NO) {
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break;
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}
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} else {
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/* find s = (e + xr)/k */
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if ((err = mp_invmod(pubkey.k, p, pubkey.k)) != CRYPT_OK) { goto error; } /* k = 1/k */
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if ((err = mp_mulmod(key->k, r, p, s)) != CRYPT_OK) { goto error; } /* s = xr */
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if ((err = mp_add(e, s, s)) != CRYPT_OK) { goto error; } /* s = e + xr */
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if ((err = mp_mod(s, p, s)) != CRYPT_OK) { goto error; } /* s = e + xr */
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if ((err = mp_mulmod(s, pubkey.k, p, s)) != CRYPT_OK) { goto error; } /* s = (e + xr)/k */
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ecc_free(&pubkey);
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if (mp_iszero(s) == LTC_MP_NO) {
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break;
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}
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}
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} while (--max_iterations > 0);
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@@ -112,17 +112,17 @@ static int _ecc_sign_hash(const unsigned char *in, unsigned long inlen,
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}
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else {
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/* store as ASN.1 SEQUENCE { r, s -- integer } */
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err = der_encode_sequence_multi(out, outlen,
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LTC_ASN1_INTEGER, 1UL, r,
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LTC_ASN1_INTEGER, 1UL, s,
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LTC_ASN1_EOL, 0UL, NULL);
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err = der_encode_sequence_multi(out, outlen,
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LTC_ASN1_INTEGER, 1UL, r,
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LTC_ASN1_INTEGER, 1UL, s,
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LTC_ASN1_EOL, 0UL, NULL);
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}
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goto errnokey;
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error:
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ecc_free(&pubkey);
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errnokey:
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mp_clear_multi(r, s, p, e, NULL);
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return err;
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return err;
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}
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/**
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@@ -14,10 +14,10 @@
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/**
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@file ecc_verify_hash.c
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ECC Crypto, Tom St Denis
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*/
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*/
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static int _ecc_verify_hash(const unsigned char *sig, unsigned long siglen,
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const unsigned char *hash, unsigned long hashlen,
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const unsigned char *hash, unsigned long hashlen,
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int *stat, ecc_key *key, int sigformat)
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{
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ecc_point *mG, *mQ;
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@@ -66,9 +66,9 @@ static int _ecc_verify_hash(const unsigned char *sig, unsigned long siglen,
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}
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else {
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/* ASN.1 format */
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if ((err = der_decode_sequence_multi(sig, siglen,
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LTC_ASN1_INTEGER, 1UL, r,
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LTC_ASN1_INTEGER, 1UL, s,
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if ((err = der_decode_sequence_multi(sig, siglen,
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LTC_ASN1_INTEGER, 1UL, r,
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LTC_ASN1_INTEGER, 1UL, s,
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LTC_ASN1_EOL, 0UL, NULL)) != CRYPT_OK) { goto error; }
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}
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@@ -125,13 +125,13 @@ static int _ecc_verify_hash(const unsigned char *sig, unsigned long siglen,
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if (ltc_mp.ecc_mul2add == NULL) {
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if ((err = ltc_mp.ecc_ptmul(u1, mG, mG, m, 0)) != CRYPT_OK) { goto error; }
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if ((err = ltc_mp.ecc_ptmul(u2, mQ, mQ, m, 0)) != CRYPT_OK) { goto error; }
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/* find the montgomery mp */
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if ((err = mp_montgomery_setup(m, &mp)) != CRYPT_OK) { goto error; }
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/* add them */
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if ((err = ltc_mp.ecc_ptadd(mQ, mG, mG, m, mp)) != CRYPT_OK) { goto error; }
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/* reduce */
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if ((err = ltc_mp.ecc_map(mG, m, mp)) != CRYPT_OK) { goto error; }
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} else {
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@@ -153,7 +153,7 @@ error:
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ltc_ecc_del_point(mG);
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ltc_ecc_del_point(mQ);
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mp_clear_multi(r, s, v, w, u1, u2, p, e, m, NULL);
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if (mp != NULL) {
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if (mp != NULL) {
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mp_montgomery_free(mp);
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}
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return err;
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@@ -17,7 +17,7 @@
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/**
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@file ltc_ecc_mulmod_timing.c
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ECC Crypto, Tom St Denis
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*/
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*/
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#ifdef LTC_MECC
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@@ -59,8 +59,8 @@ int ltc_ecc_mulmod(void *k, ecc_point *G, ecc_point *R, void *modulus, int map)
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return err;
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}
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/* alloc ram for window temps */
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for (i = 0; i < 3; i++) {
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/* alloc ram for window temps */
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for (i = 0; i < 3; i++) {
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M[i] = ltc_ecc_new_point();
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if (M[i] == NULL) {
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for (j = 0; j < i; j++) {
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@@ -70,7 +70,7 @@ int ltc_ecc_mulmod(void *k, ecc_point *G, ecc_point *R, void *modulus, int map)
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mp_montgomery_free(mp);
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return CRYPT_MEM;
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}
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}
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}
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/* make a copy of G incase R==G */
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tG = ltc_ecc_new_point();
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@@ -82,7 +82,7 @@ int ltc_ecc_mulmod(void *k, ecc_point *G, ecc_point *R, void *modulus, int map)
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if ((err = mp_mulmod(G->z, mu, modulus, tG->z)) != CRYPT_OK) { goto done; }
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mp_clear(mu);
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mu = NULL;
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/* calc the M tab */
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/* M[0] == G */
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if ((err = mp_copy(tG->x, M[0]->x)) != CRYPT_OK) { goto done; }
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