1 files changed, 0 insertions, 121 deletions
diff --git a/crypto/crypto.c b/crypto/crypto.c
deleted file mode 100644
index 634c0831..00000000
--- a/crypto/crypto.c
+++ /dev/null
@@ -1,121 +0,0 @@
-#include <unistd.h>
-#include <fcntl.h>
-
-#include "crypto.h"
-
-#ifdef LTC_DES
-
-static int urandom_fd;
-
-static const unsigned char odd_parity[256] = {
-		1,  1,  2,  2,  4,  4,  7,  7,  8,  8, 11, 11, 13, 13, 14, 14,
-	 16, 16, 19, 19, 21, 21, 22, 22, 25, 25, 26, 26, 28, 28, 31, 31,
-	 32, 32, 35, 35, 37, 37, 38, 38, 41, 41, 42, 42, 44, 44, 47, 47,
-	 49, 49, 50, 50, 52, 52, 55, 55, 56, 56, 59, 59, 61, 61, 62, 62,
-	 64, 64, 67, 67, 69, 69, 70, 70, 73, 73, 74, 74, 76, 76, 79, 79,
-	 81, 81, 82, 82, 84, 84, 87, 87, 88, 88, 91, 91, 93, 93, 94, 94,
-	 97, 97, 98, 98,100,100,103,103,104,104,107,107,109,109,110,110,
-	112,112,115,115,117,117,118,118,121,121,122,122,124,124,127,127,
-	128,128,131,131,133,133,134,134,137,137,138,138,140,140,143,143,
-	145,145,146,146,148,148,151,151,152,152,155,155,157,157,158,158,
-	161,161,162,162,164,164,167,167,168,168,171,171,173,173,174,174,
-	176,176,179,179,181,181,182,182,185,185,186,186,188,188,191,191,
-	193,193,194,194,196,196,199,199,200,200,203,203,205,205,206,206,
-	208,208,211,211,213,213,214,214,217,217,218,218,220,220,223,223,
-	224,224,227,227,229,229,230,230,233,233,234,234,236,236,239,239,
-	241,241,242,242,244,244,247,247,248,248,251,251,253,253,254,254
-};
-
-void DES_set_odd_parity(DES_cblock *key)
-{
-	unsigned int i;
-
-	for (i = 0; i < sizeof(DES_cblock); i++)
-		(*key)[i] =  odd_parity[(*key)[i]];
-}
-
-int DES_check_key_parity(const_DES_cblock *key)
-{
-	unsigned int i;
-
-	for (i = 0; i < sizeof(DES_cblock); i++) {
-		if ((*key)[i] != odd_parity[(*key)[i]])
-			return 0;
-	}
-
-	return 1;
-}
-
-static const DES_cblock weak_keys[] = {
-	/* weak keys */
-	{0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01},
-	{0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE},
-	{0x1F,0x1F,0x1F,0x1F,0x0E,0x0E,0x0E,0x0E},
-	{0xE0,0xE0,0xE0,0xE0,0xF1,0xF1,0xF1,0xF1},
-	/* semi-weak keys */
-	{0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE},
-	{0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01},
-	{0x1F,0xE0,0x1F,0xE0,0x0E,0xF1,0x0E,0xF1},
-	{0xE0,0x1F,0xE0,0x1F,0xF1,0x0E,0xF1,0x0E},
-	{0x01,0xE0,0x01,0xE0,0x01,0xF1,0x01,0xF1},
-	{0xE0,0x01,0xE0,0x01,0xF1,0x01,0xF1,0x01},
-	{0x1F,0xFE,0x1F,0xFE,0x0E,0xFE,0x0E,0xFE},
-	{0xFE,0x1F,0xFE,0x1F,0xFE,0x0E,0xFE,0x0E},
-	{0x01,0x1F,0x01,0x1F,0x01,0x0E,0x01,0x0E},
-	{0x1F,0x01,0x1F,0x01,0x0E,0x01,0x0E,0x01},
-	{0xE0,0xFE,0xE0,0xFE,0xF1,0xFE,0xF1,0xFE},
-	{0xFE,0xE0,0xFE,0xE0,0xFE,0xF1,0xFE,0xF1}
-};
-
-int DES_is_weak_key(const_DES_cblock *key)
-{
-	int i;
-
-	for (i = 0; i < sizeof(weak_keys); i++)
-		if (!memcmp(weak_keys[i], key, sizeof(DES_cblock)))
-			return 1;
-
-	return 0;
-}
-
-int DES_set_key_checked(const_DES_cblock *key, DES_key_schedule *schedule)
-{
-	if (!DES_check_key_parity(key))
-		return -1;
-
-	if (DES_is_weak_key(key))
-		return -2;
-
-	return des_setup((const unsigned char *)key, 8, 0, schedule);
-}
-
-int DES_random_key(DES_cblock *ret)
-{
-	while (1) {
-		read(urandom_fd, ret, sizeof(DES_cblock));
-		if (DES_is_weak_key(ret))
-			continue;
-		break;
-	}
-
-	DES_set_odd_parity(ret);
-
-	return 0;
-}
-
-void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output, DES_key_schedule *ks, int enc)
-{
-	if (enc == DES_ENCRYPT)
-		des_ecb_encrypt((const unsigned char *) input, (unsigned char *) output, ks);
-	else
-	if (enc == DES_DECRYPT)
-		des_ecb_decrypt((const unsigned char *) input, (unsigned char *) output, ks);
-	des_done(ks);
-}
-
-static void __attribute__((constructor)) init(void)
-{
-	urandom_fd = open("/dev/urandom", O_RDONLY);
-	fcntl(urandom_fd, F_SETFD, fcntl(urandom_fd, F_GETFD) | FD_CLOEXEC);
-}
-#endif