Replaced system SQLite with SQLCipher to support encrypted database

2025-06-07 18:11:17 +03:00
parent f4198d62a7
commit 177d74700f
534 changed files with 362771 additions and 21 deletions
--- a/Sources/DataLiteC/libtomcrypt/pk/dsa/dsa_set.c
+++ b/Sources/DataLiteC/libtomcrypt/pk/dsa/dsa_set.c
@@ -0,0 +1,104 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
+#include "tomcrypt_private.h"
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wconversion"
+#pragma clang diagnostic ignored "-Wshorten-64-to-32"
+
+#ifdef LTC_MDSA
+
+/**
+  Import DSA's p, q & g from raw numbers
+  @param p       DSA's p  in binary representation
+  @param plen    The length of p
+  @param q       DSA's q  in binary representation
+  @param qlen    The length of q
+  @param g       DSA's g  in binary representation
+  @param glen    The length of g
+  @param key     [out] the destination for the imported key
+  @return CRYPT_OK if successful.
+*/
+int dsa_set_pqg(const unsigned char *p,  unsigned long plen,
+                const unsigned char *q,  unsigned long qlen,
+                const unsigned char *g,  unsigned long glen,
+                dsa_key *key)
+{
+   int err, stat;
+
+   LTC_ARGCHK(p           != NULL);
+   LTC_ARGCHK(q           != NULL);
+   LTC_ARGCHK(g           != NULL);
+
+   /* init key */
+   if ((err = dsa_int_init(key)) != CRYPT_OK) return err;
+
+   if ((err = ltc_mp_read_unsigned_bin(key->p, p , plen)) != CRYPT_OK)              { goto LBL_ERR; }
+   if ((err = ltc_mp_read_unsigned_bin(key->g, g , glen)) != CRYPT_OK)              { goto LBL_ERR; }
+   if ((err = ltc_mp_read_unsigned_bin(key->q, q , qlen)) != CRYPT_OK)              { goto LBL_ERR; }
+
+   key->qord = ltc_mp_unsigned_bin_size(key->q);
+
+   /* do only a quick validation, without primality testing */
+   if ((err = dsa_int_validate_pqg(key, &stat)) != CRYPT_OK)                        { goto LBL_ERR; }
+   if (stat == 0) {
+      err = CRYPT_INVALID_PACKET;
+      goto LBL_ERR;
+   }
+
+   return CRYPT_OK;
+
+LBL_ERR:
+   dsa_free(key);
+   return err;
+}
+
+/**
+  Import DSA public or private key-part from raw numbers
+
+     NB: The p, q & g parts must be set beforehand
+
+  @param in      The key-part to import, either public or private.
+  @param inlen   The key-part's length
+  @param type    Which type of key (PK_PRIVATE or PK_PUBLIC)
+  @param key     [out] the destination for the imported key
+  @return CRYPT_OK if successful.
+*/
+int dsa_set_key(const unsigned char *in, unsigned long inlen, int type, dsa_key *key)
+{
+   int err, stat = 0;
+
+   LTC_ARGCHK(key         != NULL);
+   LTC_ARGCHK(key->x      != NULL);
+   LTC_ARGCHK(key->y      != NULL);
+   LTC_ARGCHK(key->p      != NULL);
+   LTC_ARGCHK(key->g      != NULL);
+   LTC_ARGCHK(key->q      != NULL);
+   LTC_ARGCHK(ltc_mp.name != NULL);
+
+   if (type == PK_PRIVATE) {
+      key->type = PK_PRIVATE;
+      if ((err = ltc_mp_read_unsigned_bin(key->x, in, inlen)) != CRYPT_OK)              { goto LBL_ERR; }
+      if ((err = ltc_mp_exptmod(key->g, key->x, key->p, key->y)) != CRYPT_OK)           { goto LBL_ERR; }
+   }
+   else {
+      key->type = PK_PUBLIC;
+      if ((err = ltc_mp_read_unsigned_bin(key->y, in, inlen)) != CRYPT_OK)              { goto LBL_ERR; }
+   }
+
+   if ((err = dsa_int_validate_xy(key, &stat)) != CRYPT_OK)                             { goto LBL_ERR; }
+   if (stat == 0) {
+      err = CRYPT_INVALID_PACKET;
+      goto LBL_ERR;
+   }
+
+   return CRYPT_OK;
+
+LBL_ERR:
+   dsa_free(key);
+   return err;
+}
+
+#endif
+
+#pragma clang diagnostic pop