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https://github.com/Laupetin/OpenAssetTools.git
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Import code from previous AssetBuilder version
This commit is contained in:
Jan
100
thirdparty/libtomcrypt/pk/asn1/der/bit/der_decode_bit_string.c
vendored
Normal file
100
thirdparty/libtomcrypt/pk/asn1/der/bit/der_decode_bit_string.c
vendored
Normal file
@ -0,0 +1,100 @@
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*/
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#include "tomcrypt.h"
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/**
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@file der_decode_bit_string.c
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ASN.1 DER, encode a BIT STRING, Tom St Denis
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*/
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#ifdef LTC_DER
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/**
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Store a BIT STRING
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@param in The DER encoded BIT STRING
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@param inlen The size of the DER BIT STRING
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@param out [out] The array of bits stored (one per char)
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@param outlen [in/out] The number of bits stored
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@return CRYPT_OK if successful
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*/
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int der_decode_bit_string(const unsigned char *in, unsigned long inlen,
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unsigned char *out, unsigned long *outlen)
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{
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unsigned long dlen, blen, x, y;
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LTC_ARGCHK(in != NULL);
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LTC_ARGCHK(out != NULL);
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LTC_ARGCHK(outlen != NULL);
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/* packet must be at least 4 bytes */
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if (inlen < 4) {
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return CRYPT_INVALID_ARG;
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}
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/* check for 0x03 */
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if ((in[0]&0x1F) != 0x03) {
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return CRYPT_INVALID_PACKET;
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}
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/* offset in the data */
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x = 1;
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/* get the length of the data */
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if (in[x] & 0x80) {
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/* long format get number of length bytes */
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y = in[x++] & 0x7F;
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/* invalid if 0 or > 2 */
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if (y == 0 || y > 2) {
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return CRYPT_INVALID_PACKET;
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}
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/* read the data len */
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dlen = 0;
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while (y--) {
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dlen = (dlen << 8) | (unsigned long)in[x++];
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}
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} else {
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/* short format */
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dlen = in[x++] & 0x7F;
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}
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/* is the data len too long or too short? */
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if ((dlen == 0) || (dlen + x > inlen)) {
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return CRYPT_INVALID_PACKET;
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}
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/* get padding count */
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blen = ((dlen - 1) << 3) - (in[x++] & 7);
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/* too many bits? */
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if (blen > *outlen) {
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*outlen = blen;
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return CRYPT_BUFFER_OVERFLOW;
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}
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/* decode/store the bits */
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for (y = 0; y < blen; y++) {
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out[y] = (in[x] & (1 << (7 - (y & 7)))) ? 1 : 0;
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if ((y & 7) == 7) {
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++x;
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}
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}
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/* we done */
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*outlen = blen;
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return CRYPT_OK;
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}
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#endif
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/* ref: HEAD -> master, tag: v1.18.2 */
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/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
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/* commit time: 2018-07-01 22:49:01 +0200 */
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107
thirdparty/libtomcrypt/pk/asn1/der/bit/der_decode_raw_bit_string.c
vendored
Normal file
107
thirdparty/libtomcrypt/pk/asn1/der/bit/der_decode_raw_bit_string.c
vendored
Normal file
@ -0,0 +1,107 @@
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*/
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#include "tomcrypt.h"
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/**
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@file der_decode_bit_string.c
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ASN.1 DER, encode a BIT STRING, Tom St Denis
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*/
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#ifdef LTC_DER
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#define SETBIT(v, n) (v=((unsigned char)(v) | (1U << (unsigned char)(n))))
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#define CLRBIT(v, n) (v=((unsigned char)(v) & ~(1U << (unsigned char)(n))))
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/**
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Store a BIT STRING
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@param in The DER encoded BIT STRING
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@param inlen The size of the DER BIT STRING
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@param out [out] The array of bits stored (8 per char)
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@param outlen [in/out] The number of bits stored
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@return CRYPT_OK if successful
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*/
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int der_decode_raw_bit_string(const unsigned char *in, unsigned long inlen,
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unsigned char *out, unsigned long *outlen)
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{
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unsigned long dlen, blen, x, y;
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LTC_ARGCHK(in != NULL);
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LTC_ARGCHK(out != NULL);
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LTC_ARGCHK(outlen != NULL);
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/* packet must be at least 4 bytes */
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if (inlen < 4) {
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return CRYPT_INVALID_ARG;
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}
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/* check for 0x03 */
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if ((in[0]&0x1F) != 0x03) {
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return CRYPT_INVALID_PACKET;
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}
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/* offset in the data */
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x = 1;
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/* get the length of the data */
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if (in[x] & 0x80) {
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/* long format get number of length bytes */
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y = in[x++] & 0x7F;
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/* invalid if 0 or > 2 */
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if (y == 0 || y > 2) {
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return CRYPT_INVALID_PACKET;
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}
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/* read the data len */
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dlen = 0;
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while (y--) {
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dlen = (dlen << 8) | (unsigned long)in[x++];
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}
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} else {
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/* short format */
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dlen = in[x++] & 0x7F;
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}
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/* is the data len too long or too short? */
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if ((dlen == 0) || (dlen + x > inlen)) {
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return CRYPT_INVALID_PACKET;
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}
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/* get padding count */
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blen = ((dlen - 1) << 3) - (in[x++] & 7);
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/* too many bits? */
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if (blen > *outlen) {
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*outlen = blen;
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return CRYPT_BUFFER_OVERFLOW;
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}
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/* decode/store the bits */
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for (y = 0; y < blen; y++) {
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if (in[x] & (1 << (7 - (y & 7)))) {
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SETBIT(out[y/8], 7-(y%8));
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} else {
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CLRBIT(out[y/8], 7-(y%8));
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}
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if ((y & 7) == 7) {
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++x;
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}
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}
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/* we done */
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*outlen = blen;
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return CRYPT_OK;
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}
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#endif
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/* ref: HEAD -> master, tag: v1.18.2 */
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/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
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/* commit time: 2018-07-01 22:49:01 +0200 */
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87
thirdparty/libtomcrypt/pk/asn1/der/bit/der_encode_bit_string.c
vendored
Normal file
87
thirdparty/libtomcrypt/pk/asn1/der/bit/der_encode_bit_string.c
vendored
Normal file
@ -0,0 +1,87 @@
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*/
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#include "tomcrypt.h"
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/**
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@file der_encode_bit_string.c
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ASN.1 DER, encode a BIT STRING, Tom St Denis
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*/
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#ifdef LTC_DER
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/**
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Store a BIT STRING
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@param in The array of bits to store (one per char)
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@param inlen The number of bits tostore
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@param out [out] The destination for the DER encoded BIT STRING
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@param outlen [in/out] The max size and resulting size of the DER BIT STRING
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@return CRYPT_OK if successful
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*/
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int der_encode_bit_string(const unsigned char *in, unsigned long inlen,
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unsigned char *out, unsigned long *outlen)
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{
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unsigned long len, x, y;
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unsigned char buf;
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int err;
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LTC_ARGCHK(in != NULL);
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LTC_ARGCHK(out != NULL);
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LTC_ARGCHK(outlen != NULL);
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/* avoid overflows */
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if ((err = der_length_bit_string(inlen, &len)) != CRYPT_OK) {
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return err;
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}
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if (len > *outlen) {
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*outlen = len;
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return CRYPT_BUFFER_OVERFLOW;
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}
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/* store header (include bit padding count in length) */
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x = 0;
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y = (inlen >> 3) + ((inlen&7) ? 1 : 0) + 1;
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out[x++] = 0x03;
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if (y < 128) {
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out[x++] = (unsigned char)y;
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} else if (y < 256) {
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out[x++] = 0x81;
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out[x++] = (unsigned char)y;
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} else if (y < 65536) {
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out[x++] = 0x82;
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out[x++] = (unsigned char)((y>>8)&255);
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out[x++] = (unsigned char)(y&255);
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}
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/* store number of zero padding bits */
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out[x++] = (unsigned char)((8 - inlen) & 7);
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/* store the bits in big endian format */
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for (y = buf = 0; y < inlen; y++) {
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buf |= (in[y] ? 1 : 0) << (7 - (y & 7));
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if ((y & 7) == 7) {
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out[x++] = buf;
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buf = 0;
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}
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}
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/* store last byte */
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if (inlen & 7) {
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out[x++] = buf;
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}
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*outlen = x;
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return CRYPT_OK;
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}
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#endif
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/* ref: HEAD -> master, tag: v1.18.2 */
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/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
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/* commit time: 2018-07-01 22:49:01 +0200 */
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90
thirdparty/libtomcrypt/pk/asn1/der/bit/der_encode_raw_bit_string.c
vendored
Normal file
90
thirdparty/libtomcrypt/pk/asn1/der/bit/der_encode_raw_bit_string.c
vendored
Normal file
@ -0,0 +1,90 @@
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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||||
*
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||||
* The library is free for all purposes without any express
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||||
* guarantee it works.
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*/
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#include "tomcrypt.h"
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/**
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@file der_encode_bit_string.c
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ASN.1 DER, encode a BIT STRING, Tom St Denis
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*/
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#ifdef LTC_DER
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#define getbit(n, k) (((n) & ( 1 << (k) )) >> (k))
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/**
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Store a BIT STRING
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@param in The array of bits to store (8 per char)
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@param inlen The number of bits to store
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@param out [out] The destination for the DER encoded BIT STRING
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@param outlen [in/out] The max size and resulting size of the DER BIT STRING
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@return CRYPT_OK if successful
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*/
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int der_encode_raw_bit_string(const unsigned char *in, unsigned long inlen,
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unsigned char *out, unsigned long *outlen)
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{
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unsigned long len, x, y;
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unsigned char buf;
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int err;
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LTC_ARGCHK(in != NULL);
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LTC_ARGCHK(out != NULL);
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LTC_ARGCHK(outlen != NULL);
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/* avoid overflows */
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if ((err = der_length_bit_string(inlen, &len)) != CRYPT_OK) {
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return err;
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}
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if (len > *outlen) {
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*outlen = len;
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return CRYPT_BUFFER_OVERFLOW;
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}
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/* store header (include bit padding count in length) */
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x = 0;
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y = (inlen >> 3) + ((inlen&7) ? 1 : 0) + 1;
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out[x++] = 0x03;
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if (y < 128) {
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out[x++] = (unsigned char)y;
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} else if (y < 256) {
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out[x++] = 0x81;
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out[x++] = (unsigned char)y;
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} else if (y < 65536) {
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out[x++] = 0x82;
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out[x++] = (unsigned char)((y>>8)&255);
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out[x++] = (unsigned char)(y&255);
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}
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||||
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||||
/* store number of zero padding bits */
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out[x++] = (unsigned char)((8 - inlen) & 7);
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/* store the bits in big endian format */
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for (y = buf = 0; y < inlen; y++) {
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buf |= (getbit(in[y/8],7-y%8)?1:0) << (7 - (y & 7));
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if ((y & 7) == 7) {
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out[x++] = buf;
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buf = 0;
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}
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||||
}
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||||
/* store last byte */
|
||||
if (inlen & 7) {
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||||
out[x++] = buf;
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||||
}
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||||
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||||
*outlen = x;
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||||
return CRYPT_OK;
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||||
}
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||||
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||||
#endif
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||||
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||||
/* ref: HEAD -> master, tag: v1.18.2 */
|
||||
/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
|
||||
/* commit time: 2018-07-01 22:49:01 +0200 */
|
||||
52
thirdparty/libtomcrypt/pk/asn1/der/bit/der_length_bit_string.c
vendored
Normal file
52
thirdparty/libtomcrypt/pk/asn1/der/bit/der_length_bit_string.c
vendored
Normal file
@ -0,0 +1,52 @@
|
||||
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
|
||||
*
|
||||
* LibTomCrypt is a library that provides various cryptographic
|
||||
* algorithms in a highly modular and flexible manner.
|
||||
*
|
||||
* The library is free for all purposes without any express
|
||||
* guarantee it works.
|
||||
*/
|
||||
#include "tomcrypt.h"
|
||||
|
||||
/**
|
||||
@file der_length_bit_string.c
|
||||
ASN.1 DER, get length of BIT STRING, Tom St Denis
|
||||
*/
|
||||
|
||||
#ifdef LTC_DER
|
||||
/**
|
||||
Gets length of DER encoding of BIT STRING
|
||||
@param nbits The number of bits 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_bit_string(unsigned long nbits, unsigned long *outlen)
|
||||
{
|
||||
unsigned long nbytes;
|
||||
LTC_ARGCHK(outlen != NULL);
|
||||
|
||||
/* get the number of the bytes */
|
||||
nbytes = (nbits >> 3) + ((nbits & 7) ? 1 : 0) + 1;
|
||||
|
||||
if (nbytes < 128) {
|
||||
/* 03 LL PP DD DD DD ... */
|
||||
*outlen = 2 + nbytes;
|
||||
} else if (nbytes < 256) {
|
||||
/* 03 81 LL PP DD DD DD ... */
|
||||
*outlen = 3 + nbytes;
|
||||
} else if (nbytes < 65536) {
|
||||
/* 03 82 LL LL PP DD DD DD ... */
|
||||
*outlen = 4 + nbytes;
|
||||
} else {
|
||||
return CRYPT_INVALID_ARG;
|
||||
}
|
||||
|
||||
return CRYPT_OK;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
/* ref: HEAD -> master, tag: v1.18.2 */
|
||||
/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
|
||||
/* commit time: 2018-07-01 22:49:01 +0200 */
|
||||
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