[Feature][T106]ZXW P56U09 code
Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No
Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/srp/srp_lib.c b/ap/lib/libssl/openssl-1.1.1o/crypto/srp/srp_lib.c
new file mode 100644
index 0000000..ce35048
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/srp/srp_lib.c
@@ -0,0 +1,291 @@
+/*
+ * Copyright 2004-2021 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright (c) 2004, EdelKey Project. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ *
+ * Originally written by Christophe Renou and Peter Sylvester,
+ * for the EdelKey project.
+ */
+
+#ifndef OPENSSL_NO_SRP
+# include "internal/cryptlib.h"
+# include <openssl/sha.h>
+# include <openssl/srp.h>
+# include <openssl/evp.h>
+# include "crypto/bn_srp.h"
+
+/* calculate = SHA1(PAD(x) || PAD(y)) */
+
+static BIGNUM *srp_Calc_xy(const BIGNUM *x, const BIGNUM *y, const BIGNUM *N)
+{
+ unsigned char digest[SHA_DIGEST_LENGTH];
+ unsigned char *tmp = NULL;
+ int numN = BN_num_bytes(N);
+ BIGNUM *res = NULL;
+
+ if (x != N && BN_ucmp(x, N) >= 0)
+ return NULL;
+ if (y != N && BN_ucmp(y, N) >= 0)
+ return NULL;
+ if ((tmp = OPENSSL_malloc(numN * 2)) == NULL)
+ goto err;
+ if (BN_bn2binpad(x, tmp, numN) < 0
+ || BN_bn2binpad(y, tmp + numN, numN) < 0
+ || !EVP_Digest(tmp, numN * 2, digest, NULL, EVP_sha1(), NULL))
+ goto err;
+ res = BN_bin2bn(digest, sizeof(digest), NULL);
+ err:
+ OPENSSL_free(tmp);
+ return res;
+}
+
+static BIGNUM *srp_Calc_k(const BIGNUM *N, const BIGNUM *g)
+{
+ /* k = SHA1(N | PAD(g)) -- tls-srp draft 8 */
+ return srp_Calc_xy(N, g, N);
+}
+
+BIGNUM *SRP_Calc_u(const BIGNUM *A, const BIGNUM *B, const BIGNUM *N)
+{
+ /* k = SHA1(PAD(A) || PAD(B) ) -- tls-srp draft 8 */
+ return srp_Calc_xy(A, B, N);
+}
+
+BIGNUM *SRP_Calc_server_key(const BIGNUM *A, const BIGNUM *v, const BIGNUM *u,
+ const BIGNUM *b, const 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(const BIGNUM *b, const BIGNUM *N, const BIGNUM *g,
+ const 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)) == NULL
+ || !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(const BIGNUM *s, const char *user, const char *pass)
+{
+ unsigned char dig[SHA_DIGEST_LENGTH];
+ EVP_MD_CTX *ctxt;
+ unsigned char *cs = NULL;
+ BIGNUM *res = NULL;
+
+ if ((s == NULL) || (user == NULL) || (pass == NULL))
+ return NULL;
+
+ ctxt = EVP_MD_CTX_new();
+ if (ctxt == NULL)
+ return NULL;
+ if ((cs = OPENSSL_malloc(BN_num_bytes(s))) == NULL)
+ goto err;
+
+ if (!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))
+ goto err;
+ if (BN_bn2bin(s, cs) < 0)
+ goto err;
+ if (!EVP_DigestUpdate(ctxt, cs, BN_num_bytes(s)))
+ goto err;
+
+ if (!EVP_DigestUpdate(ctxt, dig, sizeof(dig))
+ || !EVP_DigestFinal_ex(ctxt, dig, NULL))
+ goto err;
+
+ res = BN_bin2bn(dig, sizeof(dig), NULL);
+
+ err:
+ OPENSSL_free(cs);
+ EVP_MD_CTX_free(ctxt);
+ return res;
+}
+
+BIGNUM *SRP_Calc_A(const BIGNUM *a, const BIGNUM *N, const 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(const BIGNUM *N, const BIGNUM *B, const BIGNUM *g,
+ const BIGNUM *x, const BIGNUM *a, const BIGNUM *u)
+{
+ BIGNUM *tmp = NULL, *tmp2 = NULL, *tmp3 = NULL, *k = NULL, *K = NULL;
+ BIGNUM *xtmp = 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 ||
+ (xtmp = BN_new()) == NULL)
+ goto err;
+
+ BN_with_flags(xtmp, x, BN_FLG_CONSTTIME);
+ BN_set_flags(tmp, BN_FLG_CONSTTIME);
+ if (!BN_mod_exp(tmp, g, xtmp, N, bn_ctx))
+ goto err;
+ if ((k = srp_Calc_k(N, g)) == NULL)
+ 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, xtmp, 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_free(xtmp);
+ BN_clear_free(tmp);
+ BN_clear_free(tmp2);
+ BN_clear_free(tmp3);
+ BN_free(k);
+ return K;
+}
+
+int SRP_Verify_B_mod_N(const BIGNUM *B, const 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(const BIGNUM *A, const BIGNUM *N)
+{
+ /* Checks if A % N == 0 */
+ return SRP_Verify_B_mod_N(A, N);
+}
+
+static SRP_gN knowngN[] = {
+ {"8192", &bn_generator_19, &bn_group_8192},
+ {"6144", &bn_generator_5, &bn_group_6144},
+ {"4096", &bn_generator_5, &bn_group_4096},
+ {"3072", &bn_generator_5, &bn_group_3072},
+ {"2048", &bn_generator_2, &bn_group_2048},
+ {"1536", &bn_generator_2, &bn_group_1536},
+ {"1024", &bn_generator_2, &bn_group_1024},
+};
+
+# define KNOWN_GN_NUMBER sizeof(knowngN) / sizeof(SRP_gN)
+
+/*
+ * Check if G and N are known parameters. The values have been generated
+ * from the ietf-tls-srp draft version 8
+ */
+char *SRP_check_known_gN_param(const BIGNUM *g, const BIGNUM *N)
+{
+ size_t i;
+ if ((g == NULL) || (N == NULL))
+ return 0;
+
+ 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