diff options
Diffstat (limited to 'src/lib/crypto/crypto_tests/t_nfold.c')
| -rw-r--r-- | src/lib/crypto/crypto_tests/t_nfold.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/lib/crypto/crypto_tests/t_nfold.c b/src/lib/crypto/crypto_tests/t_nfold.c new file mode 100644 index 0000000..6be0a09 --- /dev/null +++ b/src/lib/crypto/crypto_tests/t_nfold.c @@ -0,0 +1,165 @@ +/* + * lib/crypto/t_nfold.c + * + * Copyright 1988, 1990 by the Massachusetts Institute of Technology. + * All Rights Reserved. + * + * Export of this software from the United States of America may + * require a specific license from the United States Government. + * It is the responsibility of any person or organization contemplating + * export to obtain such a license before exporting. + * + * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and + * distribute this software and its documentation for any purpose and + * without fee is hereby granted, provided that the above copyright + * notice appear in all copies and that both that copyright notice and + * this permission notice appear in supporting documentation, and that + * the name of M.I.T. not be used in advertising or publicity pertaining + * to distribution of the software without specific, written prior + * permission. Furthermore if you modify this software you must label + * your software as modified software and not distribute it in such a + * fashion that it might be confused with the original M.I.T. software. + * M.I.T. makes no representations about the suitability of + * this software for any purpose. It is provided "as is" without express + * or implied warranty. + * + * + * Program to test the correctness of nfold implementation. + * + * exit returns 0 ==> success + * -1 ==> error + */ + +#include <stdio.h> +#include <string.h> +#include <assert.h> + +#include "k5-int.h" + +#define ASIZE(ARRAY) (sizeof(ARRAY)/sizeof(ARRAY[0])) + +static void printhex (size_t len, const unsigned char *p) +{ + while (len--) + printf ("%02x", 0xff & *p++); +} + +static void printstringhex (const unsigned char *p) { + printhex (strlen ((const char *) p), p); +} + +static void rfc_tests () +{ + int i; + struct { + char *input; + unsigned int n; + unsigned char exp[192/8]; + } tests[] = { + { "012345", 64, + { 0xbe,0x07,0x26,0x31,0x27,0x6b,0x19,0x55, } + }, + { "password", 56, + { 0x78,0xa0,0x7b,0x6c,0xaf,0x85,0xfa, } + }, + { "Rough Consensus, and Running Code", 64, + { 0xbb,0x6e,0xd3,0x08,0x70,0xb7,0xf0,0xe0, } + }, + { "password", 168, + { 0x59,0xe4,0xa8,0xca,0x7c,0x03,0x85,0xc3, + 0xc3,0x7b,0x3f,0x6d,0x20,0x00,0x24,0x7c, + 0xb6,0xe6,0xbd,0x5b,0x3e, } + }, + { "MASSACHVSETTS INSTITVTE OF TECHNOLOGY", 192, + { 0xdb,0x3b,0x0d,0x8f,0x0b,0x06,0x1e,0x60, + 0x32,0x82,0xb3,0x08,0xa5,0x08,0x41,0x22, + 0x9a,0xd7,0x98,0xfa,0xb9,0x54,0x0c,0x1b, } + }, + }; + unsigned char outbuf[192/8]; + + printf ("RFC tests:\n"); + for (i = 0; i < ASIZE (tests); i++) { + unsigned char *p = (unsigned char *) tests[i].input; + assert (tests[i].n / 8 <= sizeof (outbuf)); + krb5_nfold (8 * strlen ((char *) p), p, tests[i].n, outbuf); + printf ("%d-fold(\"%s\") =\n", tests[i].n, p); + printf ("%d-fold(", tests[i].n); + printstringhex (p); + printf (") =\n\t"); + printhex (tests[i].n / 8, outbuf); + printf ("\n\n"); + if (memcmp (outbuf, tests[i].exp, tests[i].n/8) != 0) { + printf ("wrong value! expected:\n\t"); + printhex (tests[i].n / 8, tests[i].exp); + exit (1); + } + } +} + +static void fold_kerberos(unsigned int nbytes) +{ + unsigned char cipher_text[300]; + int j; + + if (nbytes > 300) + abort(); + + printf("%d-fold(\"kerberos\") =\n\t", nbytes*8); + krb5_nfold(64, (unsigned char *) "kerberos", 8*nbytes, cipher_text); + for (j=0; j<nbytes; j++) + printf("%s%02x", (j&3) ? "" : " ", cipher_text[j]); + printf("\n"); +} + +unsigned char *nfold_in[] = { + (unsigned char *) "basch", + (unsigned char *) "eichin", + (unsigned char *) "sommerfeld", + (unsigned char *) "MASSACHVSETTS INSTITVTE OF TECHNOLOGY" }; + +unsigned char nfold_192[4][24] = { + { 0x1a, 0xab, 0x6b, 0x42, 0x96, 0x4b, 0x98, 0xb2, 0x1f, 0x8c, 0xde, 0x2d, + 0x24, 0x48, 0xba, 0x34, 0x55, 0xd7, 0x86, 0x2c, 0x97, 0x31, 0x64, 0x3f }, + { 0x65, 0x69, 0x63, 0x68, 0x69, 0x6e, 0x4b, 0x73, 0x2b, 0x4b, 0x1b, 0x43, + 0xda, 0x1a, 0x5b, 0x99, 0x5a, 0x58, 0xd2, 0xc6, 0xd0, 0xd2, 0xdc, 0xca }, + { 0x2f, 0x7a, 0x98, 0x55, 0x7c, 0x6e, 0xe4, 0xab, 0xad, 0xf4, 0xe7, 0x11, + 0x92, 0xdd, 0x44, 0x2b, 0xd4, 0xff, 0x53, 0x25, 0xa5, 0xde, 0xf7, 0x5c }, + { 0xdb, 0x3b, 0x0d, 0x8f, 0x0b, 0x06, 0x1e, 0x60, 0x32, 0x82, 0xb3, 0x08, + 0xa5, 0x08, 0x41, 0x22, 0x9a, 0xd7, 0x98, 0xfa, 0xb9, 0x54, 0x0c, 0x1b } +}; + +int +main(argc, argv) + int argc; + char *argv[]; +{ + unsigned char cipher_text[64]; + int i, j; + + printf("N-fold\n"); + for (i=0; i<sizeof(nfold_in)/sizeof(char *); i++) { + printf("\tInput:\t\"%.*s\"\n", (int) strlen((char *) nfold_in[i]), + nfold_in[i]); + printf("\t192-Fold:\t"); + krb5_nfold(strlen((char *) nfold_in[i])*8, nfold_in[i], 24*8, + cipher_text); + for (j=0; j<24; j++) + printf("%s%02x", (j&3) ? "" : " ", cipher_text[j]); + printf("\n"); + if (memcmp(cipher_text, nfold_192[i], 24)) { + printf("verify: error in n-fold\n"); + exit(-1); + }; + } + rfc_tests (); + + printf("verify: N-fold is correct\n\n"); + + fold_kerberos(8); + fold_kerberos(16); + fold_kerberos(21); + fold_kerberos(32); + + exit(0); +} |