1 files changed, 0 insertions, 265 deletions
diff --git a/libpiano/crypt.c b/libpiano/crypt.c
deleted file mode 100644
index 10744e0..0000000
--- a/libpiano/crypt.c
+++ /dev/null
@@ -1,265 +0,0 @@
-/*
-Copyright (c) 2008 Lars-Dominik Braun
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-*/
-
-#include <string.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "crypt_key_output.h"
-#include "crypt_key_input.h"
-
-/*	hex string to array of unsigned int values
- *	@param hex string
- *	@param return array
- *	@param return size of array
- *	@return nothing, yet
- */
-void PianoHexToInts (char *strHex, unsigned int **retInts, size_t *retIntsN) {
-	size_t i;
-	char hexInt[9];
-	unsigned int *arrInts = calloc (strlen (strHex) / 8, sizeof (*arrInts));
-
-	/* FIXME: error handling: string too short, e.g. */
-	/* unsigned int = 4 bytes, 8 chars in hex */
-	for (i = 0; i < strlen (strHex); i += 8) {
-		memset (hexInt, 0, sizeof (hexInt));
-		memcpy (hexInt, strHex+i, sizeof (hexInt)-1);
-		sscanf (hexInt, "%x", &arrInts[i/8]);
-	}
-	*retInts = arrInts;
-	/* FIXME: copy & waste */
-	*retIntsN = strlen (strHex) / 8, sizeof (*arrInts);
-}
-
-/*	decipher int array; reverse engineered from pandora source
- *	@param decrypt-me
- *	@param decrypt-me-length
- *	@param return plain ints array
- *	@return nothing, yet
- */
-void PianoDecipherInts (unsigned int *cipherInts, size_t cipherIntsN,
-		unsigned int **retPlainInts) {
-	unsigned int *plainInts = calloc (cipherIntsN, sizeof (*plainInts));
-
-	size_t i;
-
-	for (i = 0; i < cipherIntsN; i += 2) {
-		unsigned int _loc2 = cipherInts [i];
-		unsigned int _loc3 = cipherInts [i+1];
-		unsigned int _loc6;
-		size_t n_count;
-
-		for (n_count = in_key_n + 1; n_count > 1; --n_count) {
-			_loc2 = _loc2 ^ in_key_p [n_count];
-			
-			unsigned int _loc4 = _loc2;
-			#if 0
-			unsigned short _loc8 = _loc4 & 0xff;
-			_loc4 = _loc4 >> 8;
-			unsigned short _loc9 = _loc4 & 0xff;
-			_loc4 = _loc4 >> 8;
-			unsigned short _loc10 = _loc4 & 0xff;
-			_loc4 = _loc4 >> 8;
-			unsigned short _loc11 = _loc4 & 0xff;
-			#endif
-			unsigned short _loc8 = _loc4 & 0xff;
-			unsigned short _loc9 = (_loc4 >> 8) & 0xff;
-			unsigned short _loc10 = (_loc4 >> 16) & 0xff;
-			unsigned short _loc11 = (_loc4 >> 24) & 0xff;
-			unsigned int _loc5 = in_key_s [0][_loc11] +
-					in_key_s [1][_loc10];
-			_loc5 = _loc5 ^ in_key_s [2][_loc9];
-			_loc5 = _loc5 + in_key_s [3][_loc8];
-			_loc3 = _loc3 ^ _loc5;
-			_loc6 = _loc2;
-			_loc2 = _loc3;
-			_loc3 = _loc6;
-		}
-		_loc6 = _loc2;
-		_loc2 = _loc3;
-		_loc3 = _loc6;
-		_loc3 = _loc3 ^ in_key_p [1];
-		_loc2 = _loc2 ^ in_key_p [0];
-		plainInts [i] = _loc2;
-		plainInts [i+1] = _loc3;
-	}
-	*retPlainInts = plainInts;
-}
-
-/*	int array to string
- *	@param int array
- *	@param length of array
- *	@return the string
- */
-char *PianoIntsToString (unsigned int *arrInts, size_t arrIntsN) {
-	char *strDecoded = calloc (arrIntsN * 4 + 1, sizeof (*strDecoded));
-	size_t i;
-
-	for (i = 0; i < arrIntsN; i++) {
-		snprintf (&strDecoded[i*4], arrIntsN * 4, "%c%c%c%c", ((arrInts[i] >> 24) & 0xff), ((arrInts[i] >> 16) & 0xff), ((arrInts[i] >> 8) & 0xff), ((arrInts[i] >> 0) & 0xff));
-	}
-	return strDecoded;
-}
-
-/*	decrypt hex-encoded string
- *	@param hex string
- *	@return decrypted string
- */
-char *PianoDecryptString (char *strInput) {
-	unsigned int *cipherInts, *plainInts;
-	size_t cipherIntsN;
-	char *strDecrypted;
-
-	PianoHexToInts (strInput, &cipherInts, &cipherIntsN);
-	PianoDecipherInts (cipherInts, cipherIntsN, &plainInts);
-	strDecrypted = PianoIntsToString (plainInts, cipherIntsN);
-
-	free (cipherInts);
-	free (plainInts);
-
-	return strDecrypted;
-}
-
-/*	string to int array
- *	@param the string, length % 8 needs to be 0
- *	@param returns int array
- *	@param returns size of int array
- *	@return nothing
- */
-void PianoBytesToInts (char *strInput, unsigned int **retArrInts,
-		size_t *retArrIntsN) {
-	size_t i, j, neededStrLen = strlen (strInput);
-	unsigned int *arrInts;
-	char shift;
-
-	/* blowfish encrypts two 4 byte blocks */
-	neededStrLen = strlen (strInput);
-	if (neededStrLen % 8 != 0) {
-		/* substract overhead and add full 8 byte block */
-		neededStrLen = neededStrLen - (neededStrLen % 8) + 8;
-	}
-	arrInts = calloc (neededStrLen / 4, sizeof (*arrInts));
-
-	/* we must not read beyond the end of the string, so be a bit
-	 * paranoid */
-	shift = 24;
-	i = 0;
-	j = 0;
-	while (i < strlen (strInput)) {
-		shift = 24;
-		while (shift >= 0 && i < strlen (strInput)) {
-			arrInts[i/4] |= strInput[i] << shift;
-			shift -= 8;
-			i++;
-		}
-	}
-	*retArrInts = arrInts;
-	*retArrIntsN = neededStrLen / 4;
-}
-
-/*	decipher ints; reverse engineered from pandora flash client
- *	@param encipher this
- *	@param how many ints
- *	@param returns crypted ints; memory is allocated by this function
- *	@return nothing yet
- */
-void PianoEncipherInts (unsigned int *plainInts, size_t plainIntsN,
-		unsigned int **retCipherInts) {
-	unsigned int *cipherInts = calloc (plainIntsN, sizeof (*cipherInts));
-	size_t i, _loc7;
-
-		for (i = 0; i < plainIntsN; i+=2) {
-			/* ++ encipher */
-			unsigned int _loc2 = plainInts [i];
-			unsigned int _loc3 = plainInts [i+1];
-			unsigned int _loc6;
-			
-			for (_loc7 = 0; _loc7 < out_key_n; _loc7++) {
-				_loc2 = _loc2 ^ out_key_p[_loc7];
-				unsigned int _loc4 = _loc2;
-				#if 0
-				unsigned int _loc8 = _loc4 & 0xff;
-				_loc4 >>= 8;
-				unsigned int _loc9 = _loc4 & 0xff;
-				_loc4 >>= 8;
-				unsigned int _loc10 = _loc4 & 0xff;
-				_loc4 >>= 8;
-				unsigned _loc11 = _loc4 & 0xff;
-				#endif
-				unsigned int _loc8 = _loc4 & 0xff;
-				unsigned int _loc9 = (_loc4 >> 8) & 0xff;
-				unsigned int _loc10 = (_loc4 >> 16) & 0xff;
-				unsigned _loc11 = (_loc4 >> 24) & 0xff;
-				unsigned int _loc5 = out_key_s[0][_loc11] +
-						out_key_s [1][_loc10];
-				_loc5 ^= out_key_s [2][_loc9];
-				_loc5 += out_key_s [3][_loc8];
-				_loc3 ^= _loc5;
-				_loc6 = _loc2;
-				_loc2 = _loc3;
-				_loc3 = _loc6;
-			}
-			_loc6 = _loc2;
-			_loc2 = _loc3;
-			_loc3 = _loc6;
-			_loc3 ^= out_key_p [out_key_n];
-			_loc2 ^= out_key_p [out_key_n+1];
-			cipherInts [i] = _loc2;
-			cipherInts [i+1] = _loc3;
-		}
-	*retCipherInts = cipherInts;
-}
-
-/*	int array to hex-encoded string
- *	@param int array
- *	@param size of array
- *	@return string; memory is allocated here, don't forget to free it
- */
-char *PianoIntsToHexString (unsigned int *arrInts, size_t arrIntsN) {
-	/* 4 bytes as hex (= 8 chars) */
-	char *hexStr = calloc (arrIntsN * 4 * 2 + 1, sizeof (*hexStr));
-	size_t i;
-
-	for (i = 0; i < arrIntsN; i++) {
-		snprintf (hexStr+i*4*2, arrIntsN * 4 * 2 + 1, "%08x", arrInts[i]);
-	}
-	return hexStr;
-}
-
-/*	blowfish-encrypt string; used before sending xml to server
- *	@param encrypt this
- *	@return encrypted, hex-encoded string
- */
-char *PianoEncryptString (char *strInput) {
-	unsigned int *plainInts, *cipherInts;
-	size_t plainIntsN;
-	char *strHex;
-
-	PianoBytesToInts (strInput, &plainInts, &plainIntsN);
-	PianoEncipherInts (plainInts, plainIntsN, &cipherInts);
-	strHex = PianoIntsToHexString (cipherInts, plainIntsN);
-
-	free (plainInts);
-	free (cipherInts);
-
-	return strHex;
-}