📄 lib_kea.c
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/*
* KEA (Key Exchange Algorithm) implementation
* using the DH and Skipjack routines from Peter Gutmann's CryptLib
* (and some pieces cribbed from various other parts of CryptLib)
*
* this version was written to interoperate with CryptLib 2.1beta
* released January 18, 1999
*
* February 2, 1999
*/
#include <stdlib.h>
#include <string.h>
#include "crypt.h"
#include "cryptctx.h"
/* added for debugging */
#include <stdio.h>
/*
III. ANNEX - Test Vectors
[from skipjack-kea.tex,v 1.9 1998/07/10 11:17:15 cmcurtin
in http://www.interhack.net/pubs/skipjack-kea.tgz]
X represents ``don't-care''.
B. Key Exchange Algorithm (KEA)
*/
/*
1024-bit p
DH over GF(p)
*/
const BYTE FAR_BSS primeTestKEA[] = { 0x9D, 0x4C, 0x6E, 0x6D, 0x42, 0xEA,
0x91, 0xC8, 0x28, 0xD6, 0x7D, 0x49,
0x94, 0xA9, 0xF0, 0x1B, 0x8E, 0x5B,
0x5B, 0x73, 0x0D, 0x0F, 0xAA, 0xE7,
0xBD, 0x56, 0x9D, 0xD1, 0x91, 0x4E,
0x3A, 0xD4, 0x75, 0x9C, 0x80, 0x53,
0x31, 0xED, 0xA1, 0x45, 0x9F, 0xB5,
0x6B, 0xE8, 0xA8, 0xDE, 0x47, 0x36,
0x65, 0x2A, 0x82, 0xB2, 0x76, 0xE8,
0x2A, 0xCD, 0x63, 0xF5, 0xB7, 0x8D,
0x0B, 0x75, 0xA0, 0x3E, 0xB3, 0x4D,
0x39, 0x7D, 0xBE, 0x7B, 0x37, 0x40,
0x8F, 0x72, 0x13, 0x6A, 0xCB, 0x08,
0x79, 0xFE, 0x61, 0xC7, 0x18, 0xA3,
0x7F, 0x51, 0x54, 0xB5, 0x07, 0x8A,
0x76, 0x49, 0xFB, 0x3D, 0x4F, 0xB4,
0xC4, 0x81, 0xE0, 0x10, 0x62, 0xC5,
0x24, 0x1F, 0x22, 0x9F, 0xA5, 0x80,
0x42, 0x33, 0x68, 0xDD, 0x51, 0x09,
0x0D, 0xBF, 0x25, 0x35, 0x1F, 0x0C,
0x58, 0x00, 0xDE, 0x05, 0xB9, 0x2B,
0xA6, 0xA9 };
/*
160-bit q
Schnorr subgroup order q = ord(g); q | (p-1)
*/
const BYTE FAR_BSS subgroupOrderTestKEA[] = { 0x97, 0xad, 0x85, 0xfd, 0x2b,
0x37, 0x1e, 0xd0, 0x69, 0x81,
0x8a, 0xb3, 0xc6, 0xee, 0x87,
0x73, 0xd9, 0xdb, 0x02, 0x9d };
/*
1024-bit g
base element for DH
*/
const BYTE FAR_BSS baseTestKEA[] = { 0x59, 0x5d, 0x34, 0x43, 0xec, 0x89,
0x7c, 0x82, 0x51, 0xe5, 0xfa, 0x9d,
0x02, 0xab, 0x8b, 0x75, 0xc0, 0xfc,
0x57, 0xb0, 0x96, 0x9f, 0x88, 0x0d,
0xa3, 0x66, 0xa1, 0x00, 0x01, 0x91,
0x2a, 0x01, 0x96, 0xbc, 0xb8, 0x1c,
0x41, 0xac, 0x84, 0x85, 0x03, 0x1a,
0xc5, 0x98, 0xb5, 0x48, 0x1e, 0xae,
0x27, 0x26, 0xb7, 0x19, 0xd8, 0xd9,
0x91, 0x5a, 0x61, 0x05, 0x97, 0x34,
0x72, 0x38, 0x6c, 0x0a, 0x6a, 0x2c,
0x73, 0x2c, 0xd6, 0x70, 0x0d, 0x34,
0x1f, 0x54, 0xbf, 0x28, 0xd1, 0x2d,
0x69, 0x2d, 0xe2, 0xfa, 0x05, 0xf5,
0x5e, 0x89, 0x8c, 0x2e, 0x20, 0xbb,
0x8a, 0x26, 0x02, 0xdb, 0x1b, 0xa0,
0x7d, 0xe6, 0x72, 0xe3, 0xb9, 0x6d,
0x9a, 0xc2, 0x9a, 0x18, 0x84, 0x50,
0x63, 0xd9, 0x18, 0xc3, 0x2e, 0xd7,
0x12, 0x66, 0xb7, 0x83, 0x31, 0x1a,
0x0a, 0x8d, 0x08, 0xac, 0x48, 0x7b,
0xea, 0x44 };
/*
160-bit ra
ephemeral private exponent
*/
const BYTE FAR_BSS raTestKEA[] = { 0x62, 0x01, 0xdd, 0x56, 0x23, 0x7c, 0x22,
0x8a, 0x3f, 0x54, 0xbc, 0x7e, 0x79, 0x4b,
0xdf, 0x32, 0x41, 0xc6, 0x7e, 0xa6 };
/*
160-bit xa
long term private exponent
*/
const BYTE FAR_BSS xaTestKEA[] = { 0x62, 0x31, 0x9a, 0xc4, 0x7d, 0xe1, 0x45,
0x18, 0x0a, 0xbd, 0x32, 0x2c, 0x59, 0xe2,
0xb6, 0x00, 0x27, 0x81, 0xe4, 0x94 };
/*
1024-bit Ya
long term public key
*/
const BYTE FAR_BSS YaTestKEA[] = { 0x2d, 0x29, 0xec, 0xd0, 0x2e, 0x34, 0x97,
0xa6, 0x72, 0x22, 0xd8, 0xde, 0xbc, 0x28,
0x61, 0x31, 0xd1, 0x49, 0xf4, 0x58, 0x1b,
0x3e, 0x58, 0x6d, 0x01, 0x51, 0x02, 0x4c,
0x02, 0xe8, 0xb2, 0x3d, 0xa0, 0x9a, 0x43,
0x0e, 0x2c, 0xa5, 0xed, 0x1a, 0x4b, 0x2d,
0x77, 0x25, 0x62, 0x31, 0x6e, 0x4d, 0x28,
0x04, 0xd2, 0x26, 0x78, 0x82, 0x84, 0xed,
0x65, 0x5c, 0xf5, 0x46, 0x10, 0xd3, 0x8f,
0x66, 0xfa, 0xb1, 0xa0, 0xa2, 0xe2, 0xd3,
0xc6, 0x61, 0x44, 0x01, 0x90, 0x1d, 0x97,
0x58, 0xd5, 0x66, 0x72, 0x2a, 0xff, 0x1f,
0x73, 0x4b, 0x2a, 0xdb, 0xd2, 0xb6, 0x7f,
0x13, 0x00, 0xce, 0x45, 0x5f, 0x00, 0x96,
0x8c, 0xa7, 0x91, 0xa8, 0x76, 0x78, 0x67,
0x36, 0x3d, 0x7d, 0x49, 0xee, 0x74, 0xa2,
0x8d, 0xc3, 0x49, 0xd9, 0xfd, 0xfd, 0xb9,
0x6b, 0x01, 0xf0, 0xfc, 0x1f, 0x06, 0x90,
0xec, 0x96 };
/*
160-bit xb
long term private exponent
*/
const BYTE FAR_BSS xbTestKEA[] = { 0x63, 0xde, 0xcd, 0xad, 0x44, 0x87, 0xeb,
0x71, 0x31, 0xdf, 0xf4, 0xf5, 0x1c, 0xfb,
0xae, 0x39, 0x44, 0x6b, 0x9b, 0x3d };
/*
160-bit rb
ephemeral private exponent
*/
const BYTE FAR_BSS rbTestKEA[] = { 0x52, 0xbf, 0xa1, 0xd7, 0x2f, 0x1c, 0xf0,
0xfb, 0x0f, 0xf6, 0xd5, 0xdf, 0x15, 0xfb,
0x74, 0x83, 0x16, 0x7e, 0xb0, 0xe7 };
/*
1024-bit Yb
long term public key
*/
const BYTE FAR_BSS YbTestKEA[] = { 0x77, 0x30, 0xd4, 0xbb, 0xf3, 0xa2, 0xef,
0xdb, 0x21, 0x8e, 0x70, 0x41, 0x3e, 0x86,
0x10, 0x20, 0x14, 0xce, 0xc0, 0x6c, 0x20,
0x5f, 0x54, 0x19, 0x29, 0x3b, 0x65, 0xc6,
0x9a, 0x97, 0x1e, 0x54, 0x55, 0xeb, 0x79,
0xa0, 0xbd, 0xb9, 0x0a, 0xb2, 0x14, 0xc5,
0x24, 0x0e, 0xde, 0x6c, 0xfd, 0xd5, 0x8c,
0x7c, 0x19, 0xc5, 0x26, 0x9d, 0x57, 0xdf,
0xf6, 0x0b, 0x61, 0xc1, 0xdb, 0x2f, 0xf6,
0x48, 0x64, 0xbe, 0xe5, 0x19, 0x87, 0xf2,
0x70, 0x03, 0x4b, 0xc3, 0x90, 0xad, 0x73,
0x16, 0x82, 0x09, 0x5e, 0x42, 0x60, 0x8c,
0x3d, 0x79, 0x87, 0xf9, 0x64, 0x9f, 0xbf,
0x71, 0x68, 0x87, 0x63, 0x3e, 0xb5, 0x74,
0xb3, 0x9c, 0xc7, 0x3d, 0xf8, 0x99, 0x51,
0xfc, 0x1b, 0xd6, 0xd3, 0x88, 0x9d, 0x48,
0xfe, 0x22, 0x44, 0xb8, 0x29, 0xaf, 0xd4,
0x05, 0x06, 0xab, 0x92, 0x21, 0xba, 0x56,
0x2c, 0x07 };
/*
Computed by A:
*/
/*
1024-bit Ra
ephemeral public key
*/
const BYTE FAR_BSS RaTestKEA[] = { 0x97, 0xc1, 0xfd, 0x8a, 0x69, 0xfc, 0x8f,
0x34, 0xa7, 0x4c, 0x7e, 0xc3, 0xc1, 0xab,
0x17, 0x6a, 0xb9, 0x1f, 0xa0, 0xea, 0xd0,
0xe6, 0xb0, 0x97, 0x06, 0xae, 0x07, 0xa1,
0xfb, 0xf8, 0xd0, 0xa6, 0x67, 0x03, 0x2e,
0xa4, 0x79, 0x80, 0x82, 0xb8, 0xca, 0xea,
0x82, 0x7b, 0x4f, 0x60, 0x4b, 0x71, 0xe6,
0xc2, 0x44, 0x69, 0x21, 0x13, 0x63, 0xea,
0x4b, 0xd2, 0x12, 0x2f, 0x4a, 0xa6, 0xaf,
0xb9, 0x48, 0x57, 0xff, 0x06, 0x9d, 0xb0,
0x37, 0x01, 0x2b, 0x28, 0x90, 0x57, 0xb4,
0x85, 0x5e, 0x70, 0xf8, 0xf7, 0xac, 0x4f,
0x92, 0xfa, 0x1f, 0xe7, 0x6c, 0x2a, 0x5c,
0x82, 0x78, 0x1e, 0xe6, 0x11, 0x1c, 0x1f,
0xbd, 0xf7, 0xa6, 0xeb, 0x9d, 0xc3, 0x59,
0xa8, 0xfc, 0xa0, 0xb6, 0x32, 0xef, 0x3a,
0x2a, 0xf8, 0x2e, 0x52, 0xc0, 0xa7, 0xf6,
0xa6, 0xa2, 0xc9, 0x61, 0xea, 0xfc, 0x67,
0xf4, 0x18 };
/*
Computed by B:
*/
/*
1024-bit Rb
ephemeral public key
*/
const BYTE FAR_BSS RbTestKEA[] = { 0x91, 0xf6, 0x18, 0x08, 0x38, 0xf0, 0x3d,
0x5b, 0x6b, 0xe5, 0x38, 0xff, 0x6e, 0x0b,
0xf3, 0xcb, 0x9d, 0x8a, 0xfb, 0xbe, 0xef,
0x19, 0x93, 0x34, 0xb3, 0x89, 0x70, 0x8b,
0xb0, 0xc8, 0x48, 0xda, 0x86, 0x0f, 0x0f,
0x27, 0x62, 0xcc, 0x94, 0xa8, 0xe4, 0x96,
0xf8, 0xfc, 0x94, 0x94, 0x55, 0x38, 0xcf,
0x6f, 0x17, 0x19, 0x57, 0xce, 0xe4, 0xf1,
0xe2, 0xec, 0xa2, 0xba, 0xdd, 0xb3, 0x40,
0xda, 0xf4, 0x06, 0xe6, 0x36, 0xbb, 0xc6,
0x36, 0x8e, 0x46, 0x58, 0xfb, 0xf0, 0x1a,
0x41, 0xcb, 0xef, 0x5a, 0xdb, 0x40, 0x86,
0x42, 0xd0, 0x3c, 0xec, 0x4e, 0x85, 0x92,
0x0c, 0x8e, 0x75, 0x30, 0xbd, 0xe2, 0xb7,
0x8c, 0xb8, 0x7c, 0xba, 0xe3, 0x64, 0x31,
0xde, 0x37, 0x3c, 0xd2, 0xeb, 0xaf, 0x29,
0xd8, 0x41, 0x29, 0x32, 0x85, 0x50, 0xdd,
0x8c, 0xf3, 0x3e, 0x03, 0xc2, 0x1a, 0x50,
0x56, 0xa0 };
/*
Results for user A:
*/
/*
1024-bit uab
shared DH key
*/
const BYTE FAR_BSS uabTestKEA[] = { 0x15, 0x85, 0xdb, 0xba, 0xc0, 0x6b, 0x96,
0x3d, 0x6e, 0xf5, 0xa3, 0x0e, 0x5c, 0x40,
0x22, 0x0b, 0x76, 0xfe, 0x05, 0x28, 0x66,
0x0b, 0xe3, 0x1a, 0xc4, 0x96, 0xd1, 0xcb,
0x08, 0x83, 0xba, 0x8e, 0x5a, 0x03, 0x31,
0xe9, 0xce, 0x3f, 0xe3, 0x82, 0xf4, 0x7a,
0x35, 0x3c, 0xed, 0xc6, 0x89, 0x6d, 0xfd,
0xb4, 0xc0, 0xb5, 0x67, 0xaa, 0xfd, 0x72,
0x4b, 0xa0, 0xff, 0x6f, 0x2c, 0x0f, 0xa4,
0x28, 0xfc, 0xb0, 0x7a, 0x32, 0xbf, 0x6f,
0xb8, 0x8e, 0x22, 0xc5, 0xca, 0x47, 0x7c,
0x9b, 0xb9, 0xcd, 0x88, 0x2d, 0xa4, 0xf5,
0x4c, 0xc5, 0x79, 0x80, 0xc1, 0x74, 0x35,
0x2f, 0x13, 0x43, 0x46, 0x23, 0xce, 0x3d,
0xf2, 0xd4, 0x14, 0xa9, 0xe0, 0xfb, 0x7a,
0x90, 0x5f, 0xe8, 0x4a, 0xb2, 0x82, 0xd5,
0xe7, 0x6e, 0x70, 0x3a, 0x55, 0xda, 0xbb,
0x38, 0x27, 0xc2, 0x97, 0x9f, 0x08, 0xea,
0x28, 0xc8 };
/*
1024-bit tab
shared DH key
*/
const BYTE FAR_BSS tabTestKEA[] = { 0x80, 0x32, 0xeb, 0x2c, 0xb6, 0x75, 0x34,
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