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comparison libtomcrypt/src/ciphers/des.c @ 1435:f849a5ca2efc

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update to libtomcrypt 1.17 (with Dropbear changes)
author Matt Johnston <matt@ucc.asn.au>
date Sat, 24 Jun 2017 17:50:50 +0800
parents eef377591301
children 6dba84798cd5
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1434:27b9ddb06b09 1435:f849a5ca2efc
4 * algorithms in a highly modular and flexible manner. 4 * algorithms in a highly modular and flexible manner.
5 * 5 *
6 * The library is free for all purposes without any express 6 * The library is free for all purposes without any express
7 * guarantee it works. 7 * guarantee it works.
8 * 8 *
9 * Tom St Denis, [email protected], http://libtomcrypt.com 9 * Tom St Denis, [email protected], http://libtom.org
10 */ 10 */
11 #include "tomcrypt.h" 11 #include "tomcrypt.h"
12 12
13 /** 13 /**
14 @file des.c 14 @file des.c
15 DES code submitted by Dobes Vandermeer 15 LTC_DES code submitted by Dobes Vandermeer
16 */ 16 */
17 17
18 #ifdef DES 18 #ifdef LTC_DES
19 19
20 #define EN0 0 20 #define EN0 0
21 #define DE1 1 21 #define DE1 1
22 22
23 #if 0 23 #if 0
1520 } 1520 }
1521 #endif 1521 #endif
1522 1522
1523 #if 0 1523 #if 0
1524 /** 1524 /**
1525 Initialize the DES block cipher 1525 Initialize the LTC_DES block cipher
1526 @param key The symmetric key you wish to pass 1526 @param key The symmetric key you wish to pass
1527 @param keylen The key length in bytes 1527 @param keylen The key length in bytes
1528 @param num_rounds The number of rounds desired (0 for default) 1528 @param num_rounds The number of rounds desired (0 for default)
1529 @param skey The key in as scheduled by this function. 1529 @param skey The key in as scheduled by this function.
1530 @return CRYPT_OK if successful 1530 @return CRYPT_OK if successful
1548 return CRYPT_OK; 1548 return CRYPT_OK;
1549 } 1549 }
1550 #endif 1550 #endif
1551 1551
1552 /** 1552 /**
1553 Initialize the 3DES-EDE block cipher 1553 Initialize the 3LTC_DES-EDE block cipher
1554 @param key The symmetric key you wish to pass 1554 @param key The symmetric key you wish to pass
1555 @param keylen The key length in bytes 1555 @param keylen The key length in bytes
1556 @param num_rounds The number of rounds desired (0 for default) 1556 @param num_rounds The number of rounds desired (0 for default)
1557 @param skey The key in as scheduled by this function. 1557 @param skey The key in as scheduled by this function.
1558 @return CRYPT_OK if successful 1558 @return CRYPT_OK if successful
1581 return CRYPT_OK; 1581 return CRYPT_OK;
1582 } 1582 }
1583 1583
1584 #if 0 1584 #if 0
1585 /** 1585 /**
1586 Encrypts a block of text with DES 1586 Encrypts a block of text with LTC_DES
1587 @param pt The input plaintext (8 bytes) 1587 @param pt The input plaintext (8 bytes)
1588 @param ct The output ciphertext (8 bytes) 1588 @param ct The output ciphertext (8 bytes)
1589 @param skey The key as scheduled 1589 @param skey The key as scheduled
1590 @return CRYPT_OK if successful 1590 @return CRYPT_OK if successful
1591 */ 1591 */
1602 STORE32H(work[1],ct+4); 1602 STORE32H(work[1],ct+4);
1603 return CRYPT_OK; 1603 return CRYPT_OK;
1604 } 1604 }
1605 1605
1606 /** 1606 /**
1607 Decrypts a block of text with DES 1607 Decrypts a block of text with LTC_DES
1608 @param ct The input ciphertext (8 bytes) 1608 @param ct The input ciphertext (8 bytes)
1609 @param pt The output plaintext (8 bytes) 1609 @param pt The output plaintext (8 bytes)
1610 @param skey The key as scheduled 1610 @param skey The key as scheduled
1611 @return CRYPT_OK if successful 1611 @return CRYPT_OK if successful
1612 */ 1612 */
1624 return CRYPT_OK; 1624 return CRYPT_OK;
1625 } 1625 }
1626 #endif 1626 #endif
1627 1627
1628 /** 1628 /**
1629 Encrypts a block of text with 3DES-EDE 1629 Encrypts a block of text with 3LTC_DES-EDE
1630 @param pt The input plaintext (8 bytes) 1630 @param pt The input plaintext (8 bytes)
1631 @param ct The output ciphertext (8 bytes) 1631 @param ct The output ciphertext (8 bytes)
1632 @param skey The key as scheduled 1632 @param skey The key as scheduled
1633 @return CRYPT_OK if successful 1633 @return CRYPT_OK if successful
1634 */ 1634 */
1648 STORE32H(work[1],ct+4); 1648 STORE32H(work[1],ct+4);
1649 return CRYPT_OK; 1649 return CRYPT_OK;
1650 } 1650 }
1651 1651
1652 /** 1652 /**
1653 Decrypts a block of text with 3DES-EDE 1653 Decrypts a block of text with 3LTC_DES-EDE
1654 @param ct The input ciphertext (8 bytes) 1654 @param ct The input ciphertext (8 bytes)
1655 @param pt The output plaintext (8 bytes) 1655 @param pt The output plaintext (8 bytes)
1656 @param skey The key as scheduled 1656 @param skey The key as scheduled
1657 @return CRYPT_OK if successful 1657 @return CRYPT_OK if successful
1658 */ 1658 */
1672 return CRYPT_OK; 1672 return CRYPT_OK;
1673 } 1673 }
1674 1674
1675 #if 0 1675 #if 0
1676 /** 1676 /**
1677 Performs a self-test of the DES block cipher 1677 Performs a self-test of the LTC_DES block cipher
1678 @return CRYPT_OK if functional, CRYPT_NOP if self-test has been disabled 1678 @return CRYPT_OK if functional, CRYPT_NOP if self-test has been disabled
1679 */ 1679 */
1680 int des_test(void) 1680 int des_test(void)
1681 { 1681 {
1682 #ifndef LTC_TEST 1682 #ifndef LTC_TEST
1908 } 1908 }
1909 1909
1910 #endif 1910 #endif
1911 1911
1912 1912
1913 /* $Source: /cvs/libtom/libtomcrypt/src/ciphers/des.c,v $ */ 1913 /* $Source$ */
1914 /* $Revision: 1.13 $ */ 1914 /* $Revision$ */
1915 /* $Date: 2006/11/08 23:01:06 $ */ 1915 /* $Date$ */