Replaced system SQLite with SQLCipher to support encrypted database

This commit is contained in:
Oleksii Zghurskyi
2025-06-07 18:11:17 +03:00
parent f4198d62a7
commit 177d74700f
534 changed files with 362771 additions and 21 deletions

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/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
#include "tomcrypt_private.h"
/**
@file der_decode_printable_string.c
ASN.1 DER, encode a printable STRING, Tom St Denis
*/
#ifdef LTC_DER
/**
Store a printable STRING
@param in The DER encoded printable STRING
@param inlen The size of the DER printable STRING
@param out [out] The array of octets stored (one per char)
@param outlen [in/out] The number of octets stored
@return CRYPT_OK if successful
*/
int der_decode_printable_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen)
{
unsigned long x, y, len;
int t, err;
LTC_ARGCHK(in != NULL);
LTC_ARGCHK(out != NULL);
LTC_ARGCHK(outlen != NULL);
/* must have header at least */
if (inlen < 2) {
return CRYPT_INVALID_PACKET;
}
/* check for 0x13 */
if ((in[0] & 0x1F) != 0x13) {
return CRYPT_INVALID_PACKET;
}
x = 1;
/* get the length of the data */
y = inlen - x;
if ((err = der_decode_asn1_length(in + x, &y, &len)) != CRYPT_OK) {
return err;
}
x += y;
/* is it too long? */
if (len > *outlen) {
*outlen = len;
return CRYPT_BUFFER_OVERFLOW;
}
if (len > (inlen - x)) {
return CRYPT_INVALID_PACKET;
}
/* read the data */
for (y = 0; y < len; y++) {
t = der_printable_value_decode(in[x++]);
if (t == -1) {
return CRYPT_INVALID_ARG;
}
out[y] = t;
}
*outlen = y;
return CRYPT_OK;
}
#endif

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/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
#include "tomcrypt_private.h"
/**
@file der_encode_printable_string.c
ASN.1 DER, encode a printable STRING, Tom St Denis
*/
#ifdef LTC_DER
/**
Store an printable STRING
@param in The array of printable to store (one per char)
@param inlen The number of printable to store
@param out [out] The destination for the DER encoded printable STRING
@param outlen [in/out] The max size and resulting size of the DER printable STRING
@return CRYPT_OK if successful
*/
int der_encode_printable_string(const unsigned char *in, unsigned long inlen,
unsigned char *out, unsigned long *outlen)
{
unsigned long x, y, len;
int err;
LTC_ARGCHK(in != NULL);
LTC_ARGCHK(out != NULL);
LTC_ARGCHK(outlen != NULL);
/* get the size */
if ((err = der_length_printable_string(in, inlen, &len)) != CRYPT_OK) {
return err;
}
/* too big? */
if (len > *outlen) {
*outlen = len;
return CRYPT_BUFFER_OVERFLOW;
}
/* encode the header+len */
x = 0;
out[x++] = 0x13;
len = *outlen - x;
if ((err = der_encode_asn1_length(inlen, out + x, &len)) != CRYPT_OK) {
return err;
}
x += len;
/* store octets */
for (y = 0; y < inlen; y++) {
out[x++] = der_printable_char_encode(in[y]);
}
/* retun length */
*outlen = x;
return CRYPT_OK;
}
#endif

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/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
#include "tomcrypt_private.h"
/**
@file der_length_printable_string.c
ASN.1 DER, get length of Printable STRING, Tom St Denis
*/
#ifdef LTC_DER
static const struct {
int code, value;
} printable_table[] = {
{ ' ', 32 },
{ '\'', 39 },
{ '(', 40 },
{ ')', 41 },
{ '+', 43 },
{ ',', 44 },
{ '-', 45 },
{ '.', 46 },
{ '/', 47 },
{ '0', 48 },
{ '1', 49 },
{ '2', 50 },
{ '3', 51 },
{ '4', 52 },
{ '5', 53 },
{ '6', 54 },
{ '7', 55 },
{ '8', 56 },
{ '9', 57 },
{ ':', 58 },
{ '=', 61 },
{ '?', 63 },
{ 'A', 65 },
{ 'B', 66 },
{ 'C', 67 },
{ 'D', 68 },
{ 'E', 69 },
{ 'F', 70 },
{ 'G', 71 },
{ 'H', 72 },
{ 'I', 73 },
{ 'J', 74 },
{ 'K', 75 },
{ 'L', 76 },
{ 'M', 77 },
{ 'N', 78 },
{ 'O', 79 },
{ 'P', 80 },
{ 'Q', 81 },
{ 'R', 82 },
{ 'S', 83 },
{ 'T', 84 },
{ 'U', 85 },
{ 'V', 86 },
{ 'W', 87 },
{ 'X', 88 },
{ 'Y', 89 },
{ 'Z', 90 },
{ 'a', 97 },
{ 'b', 98 },
{ 'c', 99 },
{ 'd', 100 },
{ 'e', 101 },
{ 'f', 102 },
{ 'g', 103 },
{ 'h', 104 },
{ 'i', 105 },
{ 'j', 106 },
{ 'k', 107 },
{ 'l', 108 },
{ 'm', 109 },
{ 'n', 110 },
{ 'o', 111 },
{ 'p', 112 },
{ 'q', 113 },
{ 'r', 114 },
{ 's', 115 },
{ 't', 116 },
{ 'u', 117 },
{ 'v', 118 },
{ 'w', 119 },
{ 'x', 120 },
{ 'y', 121 },
{ 'z', 122 },
};
int der_printable_char_encode(int c)
{
int x;
for (x = 0; x < (int)(sizeof(printable_table)/sizeof(printable_table[0])); x++) {
if (printable_table[x].code == c) {
return printable_table[x].value;
}
}
return -1;
}
int der_printable_value_decode(int v)
{
int x;
for (x = 0; x < (int)(sizeof(printable_table)/sizeof(printable_table[0])); x++) {
if (printable_table[x].value == v) {
return printable_table[x].code;
}
}
return -1;
}
/**
Gets length of DER encoding of Printable STRING
@param octets The values you want to encode
@param noctets The number of octets in the string to encode
@param outlen [out] The length of the DER encoding for the given string
@return CRYPT_OK if successful
*/
int der_length_printable_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen)
{
unsigned long x;
int err;
LTC_ARGCHK(outlen != NULL);
LTC_ARGCHK(octets != NULL);
/* scan string for validity */
for (x = 0; x < noctets; x++) {
if (der_printable_char_encode(octets[x]) == -1) {
return CRYPT_INVALID_ARG;
}
}
if ((err = der_length_asn1_length(noctets, &x)) != CRYPT_OK) {
return err;
}
*outlen = 1 + x + noctets;
return CRYPT_OK;
}
#endif