summaryrefslogtreecommitdiff
path: root/thirdparty/openssl/crypto/srp/srp_lib.c
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/openssl/crypto/srp/srp_lib.c')
-rw-r--r--thirdparty/openssl/crypto/srp/srp_lib.c363
1 files changed, 0 insertions, 363 deletions
diff --git a/thirdparty/openssl/crypto/srp/srp_lib.c b/thirdparty/openssl/crypto/srp/srp_lib.c
deleted file mode 100644
index 6df3b1cee7..0000000000
--- a/thirdparty/openssl/crypto/srp/srp_lib.c
+++ /dev/null
@@ -1,363 +0,0 @@
-/* crypto/srp/srp_lib.c */
-/*
- * Written by Christophe Renou (christophe.renou@edelweb.fr) with the
- * precious help of Peter Sylvester (peter.sylvester@edelweb.fr) for the
- * EdelKey project and contributed to the OpenSSL project 2004.
- */
-/* ====================================================================
- * Copyright (c) 2004 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
-#ifndef OPENSSL_NO_SRP
-# include "cryptlib.h"
-# include "srp_lcl.h"
-# include <openssl/srp.h>
-# include <openssl/evp.h>
-
-# if (BN_BYTES == 8)
-# if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
-# define bn_pack4(a1,a2,a3,a4) ((a1##UI64<<48)|(a2##UI64<<32)|(a3##UI64<<16)|a4##UI64)
-# elif defined(__arch64__)
-# define bn_pack4(a1,a2,a3,a4) ((a1##UL<<48)|(a2##UL<<32)|(a3##UL<<16)|a4##UL)
-# else
-# define bn_pack4(a1,a2,a3,a4) ((a1##ULL<<48)|(a2##ULL<<32)|(a3##ULL<<16)|a4##ULL)
-# endif
-# elif (BN_BYTES == 4)
-# define bn_pack4(a1,a2,a3,a4) ((a3##UL<<16)|a4##UL), ((a1##UL<<16)|a2##UL)
-# else
-# error "unsupported BN_BYTES"
-# endif
-
-# include "srp_grps.h"
-
-static BIGNUM *srp_Calc_k(BIGNUM *N, BIGNUM *g)
-{
- /* k = SHA1(N | PAD(g)) -- tls-srp draft 8 */
-
- unsigned char digest[SHA_DIGEST_LENGTH];
- unsigned char *tmp;
- EVP_MD_CTX ctxt;
- int longg;
- int longN = BN_num_bytes(N);
-
- if (BN_ucmp(g, N) >= 0)
- return NULL;
-
- if ((tmp = OPENSSL_malloc(longN)) == NULL)
- return NULL;
- BN_bn2bin(N, tmp);
-
- EVP_MD_CTX_init(&ctxt);
- EVP_DigestInit_ex(&ctxt, EVP_sha1(), NULL);
- EVP_DigestUpdate(&ctxt, tmp, longN);
-
- memset(tmp, 0, longN);
- longg = BN_bn2bin(g, tmp);
- /* use the zeros behind to pad on left */
- EVP_DigestUpdate(&ctxt, tmp + longg, longN - longg);
- EVP_DigestUpdate(&ctxt, tmp, longg);
- OPENSSL_free(tmp);
-
- EVP_DigestFinal_ex(&ctxt, digest, NULL);
- EVP_MD_CTX_cleanup(&ctxt);
- return BN_bin2bn(digest, sizeof(digest), NULL);
-}
-
-BIGNUM *SRP_Calc_u(BIGNUM *A, BIGNUM *B, BIGNUM *N)
-{
- /* k = SHA1(PAD(A) || PAD(B) ) -- tls-srp draft 8 */
-
- BIGNUM *u;
- unsigned char cu[SHA_DIGEST_LENGTH];
- unsigned char *cAB;
- EVP_MD_CTX ctxt;
- int longN;
- if ((A == NULL) || (B == NULL) || (N == NULL))
- return NULL;
-
- if (BN_ucmp(A, N) >= 0 || BN_ucmp(B, N) >= 0)
- return NULL;
-
- longN = BN_num_bytes(N);
-
- if ((cAB = OPENSSL_malloc(2 * longN)) == NULL)
- return NULL;
-
- memset(cAB, 0, longN);
-
- EVP_MD_CTX_init(&ctxt);
- EVP_DigestInit_ex(&ctxt, EVP_sha1(), NULL);
- EVP_DigestUpdate(&ctxt, cAB + BN_bn2bin(A, cAB + longN), longN);
- EVP_DigestUpdate(&ctxt, cAB + BN_bn2bin(B, cAB + longN), longN);
- OPENSSL_free(cAB);
- EVP_DigestFinal_ex(&ctxt, cu, NULL);
- EVP_MD_CTX_cleanup(&ctxt);
-
- if (!(u = BN_bin2bn(cu, sizeof(cu), NULL)))
- return NULL;
- if (!BN_is_zero(u))
- return u;
- BN_free(u);
- return NULL;
-}
-
-BIGNUM *SRP_Calc_server_key(BIGNUM *A, BIGNUM *v, BIGNUM *u, BIGNUM *b,
- BIGNUM *N)
-{
- BIGNUM *tmp = NULL, *S = NULL;
- BN_CTX *bn_ctx;
-
- if (u == NULL || A == NULL || v == NULL || b == NULL || N == NULL)
- return NULL;
-
- if ((bn_ctx = BN_CTX_new()) == NULL || (tmp = BN_new()) == NULL)
- goto err;
-
- /* S = (A*v**u) ** b */
-
- if (!BN_mod_exp(tmp, v, u, N, bn_ctx))
- goto err;
- if (!BN_mod_mul(tmp, A, tmp, N, bn_ctx))
- goto err;
-
- S = BN_new();
- if (S != NULL && !BN_mod_exp(S, tmp, b, N, bn_ctx)) {
- BN_free(S);
- S = NULL;
- }
- err:
- BN_CTX_free(bn_ctx);
- BN_clear_free(tmp);
- return S;
-}
-
-BIGNUM *SRP_Calc_B(BIGNUM *b, BIGNUM *N, BIGNUM *g, BIGNUM *v)
-{
- BIGNUM *kv = NULL, *gb = NULL;
- BIGNUM *B = NULL, *k = NULL;
- BN_CTX *bn_ctx;
-
- if (b == NULL || N == NULL || g == NULL || v == NULL ||
- (bn_ctx = BN_CTX_new()) == NULL)
- return NULL;
-
- if ((kv = BN_new()) == NULL ||
- (gb = BN_new()) == NULL || (B = BN_new()) == NULL)
- goto err;
-
- /* B = g**b + k*v */
-
- if (!BN_mod_exp(gb, g, b, N, bn_ctx) ||
- !(k = srp_Calc_k(N, g)) ||
- !BN_mod_mul(kv, v, k, N, bn_ctx) ||
- !BN_mod_add(B, gb, kv, N, bn_ctx)) {
- BN_free(B);
- B = NULL;
- }
- err:
- BN_CTX_free(bn_ctx);
- BN_clear_free(kv);
- BN_clear_free(gb);
- BN_free(k);
- return B;
-}
-
-BIGNUM *SRP_Calc_x(BIGNUM *s, const char *user, const char *pass)
-{
- unsigned char dig[SHA_DIGEST_LENGTH];
- EVP_MD_CTX ctxt;
- unsigned char *cs;
-
- if ((s == NULL) || (user == NULL) || (pass == NULL))
- return NULL;
-
- if ((cs = OPENSSL_malloc(BN_num_bytes(s))) == NULL)
- return NULL;
-
- EVP_MD_CTX_init(&ctxt);
- EVP_DigestInit_ex(&ctxt, EVP_sha1(), NULL);
- EVP_DigestUpdate(&ctxt, user, strlen(user));
- EVP_DigestUpdate(&ctxt, ":", 1);
- EVP_DigestUpdate(&ctxt, pass, strlen(pass));
- EVP_DigestFinal_ex(&ctxt, dig, NULL);
-
- EVP_DigestInit_ex(&ctxt, EVP_sha1(), NULL);
- BN_bn2bin(s, cs);
- EVP_DigestUpdate(&ctxt, cs, BN_num_bytes(s));
- OPENSSL_free(cs);
- EVP_DigestUpdate(&ctxt, dig, sizeof(dig));
- EVP_DigestFinal_ex(&ctxt, dig, NULL);
- EVP_MD_CTX_cleanup(&ctxt);
-
- return BN_bin2bn(dig, sizeof(dig), NULL);
-}
-
-BIGNUM *SRP_Calc_A(BIGNUM *a, BIGNUM *N, BIGNUM *g)
-{
- BN_CTX *bn_ctx;
- BIGNUM *A = NULL;
-
- if (a == NULL || N == NULL || g == NULL ||
- (bn_ctx = BN_CTX_new()) == NULL)
- return NULL;
-
- if ((A = BN_new()) != NULL && !BN_mod_exp(A, g, a, N, bn_ctx)) {
- BN_free(A);
- A = NULL;
- }
- BN_CTX_free(bn_ctx);
- return A;
-}
-
-BIGNUM *SRP_Calc_client_key(BIGNUM *N, BIGNUM *B, BIGNUM *g, BIGNUM *x,
- BIGNUM *a, BIGNUM *u)
-{
- BIGNUM *tmp = NULL, *tmp2 = NULL, *tmp3 = NULL, *k = NULL, *K = NULL;
- BN_CTX *bn_ctx;
-
- if (u == NULL || B == NULL || N == NULL || g == NULL || x == NULL
- || a == NULL || (bn_ctx = BN_CTX_new()) == NULL)
- return NULL;
-
- if ((tmp = BN_new()) == NULL ||
- (tmp2 = BN_new()) == NULL ||
- (tmp3 = BN_new()) == NULL)
- goto err;
-
- if (!BN_mod_exp(tmp, g, x, N, bn_ctx))
- goto err;
- if (!(k = srp_Calc_k(N, g)))
- goto err;
- if (!BN_mod_mul(tmp2, tmp, k, N, bn_ctx))
- goto err;
- if (!BN_mod_sub(tmp, B, tmp2, N, bn_ctx))
- goto err;
-
- if (!BN_mul(tmp3, u, x, bn_ctx))
- goto err;
- if (!BN_add(tmp2, a, tmp3))
- goto err;
- K = BN_new();
- if (K != NULL && !BN_mod_exp(K, tmp, tmp2, N, bn_ctx)) {
- BN_free(K);
- K = NULL;
- }
-
- err:
- BN_CTX_free(bn_ctx);
- BN_clear_free(tmp);
- BN_clear_free(tmp2);
- BN_clear_free(tmp3);
- BN_free(k);
- return K;
-}
-
-int SRP_Verify_B_mod_N(BIGNUM *B, BIGNUM *N)
-{
- BIGNUM *r;
- BN_CTX *bn_ctx;
- int ret = 0;
-
- if (B == NULL || N == NULL || (bn_ctx = BN_CTX_new()) == NULL)
- return 0;
-
- if ((r = BN_new()) == NULL)
- goto err;
- /* Checks if B % N == 0 */
- if (!BN_nnmod(r, B, N, bn_ctx))
- goto err;
- ret = !BN_is_zero(r);
- err:
- BN_CTX_free(bn_ctx);
- BN_free(r);
- return ret;
-}
-
-int SRP_Verify_A_mod_N(BIGNUM *A, BIGNUM *N)
-{
- /* Checks if A % N == 0 */
- return SRP_Verify_B_mod_N(A, N);
-}
-
-/*
- * Check if G and N are kwown parameters. The values have been generated
- * from the ietf-tls-srp draft version 8
- */
-char *SRP_check_known_gN_param(BIGNUM *g, BIGNUM *N)
-{
- size_t i;
- if ((g == NULL) || (N == NULL))
- return 0;
-
- srp_bn_print(g);
- srp_bn_print(N);
-
- for (i = 0; i < KNOWN_GN_NUMBER; i++) {
- if (BN_cmp(knowngN[i].g, g) == 0 && BN_cmp(knowngN[i].N, N) == 0)
- return knowngN[i].id;
- }
- return NULL;
-}
-
-SRP_gN *SRP_get_default_gN(const char *id)
-{
- size_t i;
-
- if (id == NULL)
- return knowngN;
- for (i = 0; i < KNOWN_GN_NUMBER; i++) {
- if (strcmp(knowngN[i].id, id) == 0)
- return knowngN + i;
- }
- return NULL;
-}
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 11:10:28 +0000