[thirdparty/openssl.git] / crypto / rc2 / rc2test.c

/* crypto/rc2/rc2test.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 * 
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 * 
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from 
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 * 
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * 
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

/* This has been a quickly hacked 'ideatest.c'.  When I add tests for other
 * RC2 modes, more of the code will be uncommented. */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <openssl/rc2.h>

unsigned char RC2key[4][16]={
	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01},
	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
	 0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F},
	};

unsigned char RC2plain[4][8]={
	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},
	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	};

unsigned char RC2cipher[4][8]={
	{0x1C,0x19,0x8A,0x83,0x8D,0xF0,0x28,0xB7},
	{0x21,0x82,0x9C,0x78,0xA9,0xF9,0xC0,0x74},
	{0x13,0xDB,0x35,0x17,0xD3,0x21,0x86,0x9E},
	{0x50,0xDC,0x01,0x62,0xBD,0x75,0x7F,0x31},
	};
/************/
#ifdef undef
unsigned char k[16]={
	0x00,0x01,0x00,0x02,0x00,0x03,0x00,0x04,
	0x00,0x05,0x00,0x06,0x00,0x07,0x00,0x08};

unsigned char in[8]={0x00,0x00,0x00,0x01,0x00,0x02,0x00,0x03};
unsigned char  c[8]={0x11,0xFB,0xED,0x2B,0x01,0x98,0x6D,0xE5};
unsigned char out[80];

char *text="Hello to all people out there";

static unsigned char cfb_key[16]={
	0xe1,0xf0,0xc3,0xd2,0xa5,0xb4,0x87,0x96,
	0x69,0x78,0x4b,0x5a,0x2d,0x3c,0x0f,0x1e,
	};
static unsigned char cfb_iv[80]={0x34,0x12,0x78,0x56,0xab,0x90,0xef,0xcd};
static unsigned char cfb_buf1[40],cfb_buf2[40],cfb_tmp[8];
#define CFB_TEST_SIZE 24
static unsigned char plain[CFB_TEST_SIZE]=
        {
        0x4e,0x6f,0x77,0x20,0x69,0x73,
        0x20,0x74,0x68,0x65,0x20,0x74,
        0x69,0x6d,0x65,0x20,0x66,0x6f,
        0x72,0x20,0x61,0x6c,0x6c,0x20
        };
static unsigned char cfb_cipher64[CFB_TEST_SIZE]={
	0x59,0xD8,0xE2,0x65,0x00,0x58,0x6C,0x3F,
	0x2C,0x17,0x25,0xD0,0x1A,0x38,0xB7,0x2A,
	0x39,0x61,0x37,0xDC,0x79,0xFB,0x9F,0x45

/*	0xF9,0x78,0x32,0xB5,0x42,0x1A,0x6B,0x38,
	0x9A,0x44,0xD6,0x04,0x19,0x43,0xC4,0xD9,
	0x3D,0x1E,0xAE,0x47,0xFC,0xCF,0x29,0x0B,*/
	}; 


#ifndef NOPROTO
/*static int cfb64_test(unsigned char *cfb_cipher);*/
static char *pt(unsigned char *p);
#else
/*static int cfb64_test(); */
static char *pt();
#endif

#endif

int main(int argc, char *argv[])
	{
	int i,n,err=0;
	RC2_KEY key; 
	unsigned char buf[8],buf2[8];

	for (n=0; n<4; n++)
		{
		RC2_set_key(&key,16,&(RC2key[n][0]),0 /* or 1024 */);

		RC2_ecb_encrypt(&(RC2plain[n][0]),buf,&key,RC2_ENCRYPT);
		if (memcmp(&(RC2cipher[n][0]),buf,8) != 0)
			{
			printf("ecb rc2 error encrypting\n");
			printf("got     :");
			for (i=0; i<8; i++)
				printf("%02X ",buf[i]);
			printf("\n");
			printf("expected:");
			for (i=0; i<8; i++)
				printf("%02X ",RC2cipher[n][i]);
			err=20;
			printf("\n");
			}

		RC2_ecb_encrypt(buf,buf2,&key,RC2_DECRYPT);
		if (memcmp(&(RC2plain[n][0]),buf2,8) != 0)
			{
			printf("ecb RC2 error decrypting\n");
			printf("got     :");
			for (i=0; i<8; i++)
				printf("%02X ",buf[i]);
			printf("\n");
			printf("expected:");
			for (i=0; i<8; i++)
				printf("%02X ",RC2plain[n][i]);
			printf("\n");
			err=3;
			}
		}

	if (err == 0) printf("ecb RC2 ok\n");
#ifdef undef
	memcpy(iv,k,8);
	idea_cbc_encrypt((unsigned char *)text,out,strlen(text)+1,&key,iv,1);
	memcpy(iv,k,8);
	idea_cbc_encrypt(out,out,8,&dkey,iv,0);
	idea_cbc_encrypt(&(out[8]),&(out[8]),strlen(text)+1-8,&dkey,iv,0);
	if (memcmp(text,out,strlen(text)+1) != 0)
		{
		printf("cbc idea bad\n");
		err=4;
		}
	else
		printf("cbc idea ok\n");

	printf("cfb64 idea ");
	if (cfb64_test(cfb_cipher64))
		{
		printf("bad\n");
		err=5;
		}
	else
		printf("ok\n");
#endif

	exit(err);
	return(err);
	}

#ifdef undef
static int cfb64_test(unsigned char *cfb_cipher)
        {
        IDEA_KEY_SCHEDULE eks,dks;
        int err=0,i,n;

        idea_set_encrypt_key(cfb_key,&eks);
        idea_set_decrypt_key(&eks,&dks);
        memcpy(cfb_tmp,cfb_iv,8);
        n=0;
        idea_cfb64_encrypt(plain,cfb_buf1,(long)12,&eks,
                cfb_tmp,&n,IDEA_ENCRYPT);
        idea_cfb64_encrypt(&(plain[12]),&(cfb_buf1[12]),
                (long)CFB_TEST_SIZE-12,&eks,
                cfb_tmp,&n,IDEA_ENCRYPT);
        if (memcmp(cfb_cipher,cfb_buf1,CFB_TEST_SIZE) != 0)
                {
                err=1;
                printf("idea_cfb64_encrypt encrypt error\n");
                for (i=0; i<CFB_TEST_SIZE; i+=8)
                        printf("%s\n",pt(&(cfb_buf1[i])));
                }
        memcpy(cfb_tmp,cfb_iv,8);
        n=0;
        idea_cfb64_encrypt(cfb_buf1,cfb_buf2,(long)17,&eks,
                cfb_tmp,&n,IDEA_DECRYPT);
        idea_cfb64_encrypt(&(cfb_buf1[17]),&(cfb_buf2[17]),
                (long)CFB_TEST_SIZE-17,&dks,
                cfb_tmp,&n,IDEA_DECRYPT);
        if (memcmp(plain,cfb_buf2,CFB_TEST_SIZE) != 0)
                {
                err=1;
                printf("idea_cfb_encrypt decrypt error\n");
                for (i=0; i<24; i+=8)
                        printf("%s\n",pt(&(cfb_buf2[i])));
                }
        return(err);
        }

static char *pt(unsigned char *p)
	{
	static char bufs[10][20];
	static int bnum=0;
	char *ret;
	int i;
	static char *f="0123456789ABCDEF";

	ret= &(bufs[bnum++][0]);
	bnum%=10;
	for (i=0; i<8; i++)
		{
		ret[i*2]=f[(p[i]>>4)&0xf];
		ret[i*2+1]=f[p[i]&0xf];
		}
	ret[16]='\0';
	return(ret);
	}
	
#endif
Commit	Line	Data
d02b48c6	1	/* crypto/rc2/rc2test.c */
58964a49	2	/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
d02b48c6 RE	3	* All rights reserved.
	4	*
	5	* This package is an SSL implementation written
	6	* by Eric Young (eay@cryptsoft.com).
	7	* The implementation was written so as to conform with Netscapes SSL.
	8	*
	9	* This library is free for commercial and non-commercial use as long as
	10	* the following conditions are aheared to. The following conditions
	11	* apply to all code found in this distribution, be it the RC4, RSA,
	12	* lhash, DES, etc., code; not just the SSL code. The SSL documentation
	13	* included with this distribution is covered by the same copyright terms
	14	* except that the holder is Tim Hudson (tjh@cryptsoft.com).
	15	*
	16	* Copyright remains Eric Young's, and as such any Copyright notices in
	17	* the code are not to be removed.
	18	* If this package is used in a product, Eric Young should be given attribution
	19	* as the author of the parts of the library used.
	20	* This can be in the form of a textual message at program startup or
	21	* in documentation (online or textual) provided with the package.
	22	*
	23	* Redistribution and use in source and binary forms, with or without
	24	* modification, are permitted provided that the following conditions
	25	* are met:
	26	* 1. Redistributions of source code must retain the copyright
	27	* notice, this list of conditions and the following disclaimer.
	28	* 2. Redistributions in binary form must reproduce the above copyright
	29	* notice, this list of conditions and the following disclaimer in the
	30	* documentation and/or other materials provided with the distribution.
	31	* 3. All advertising materials mentioning features or use of this software
	32	* must display the following acknowledgement:
	33	* "This product includes cryptographic software written by
	34	* Eric Young (eay@cryptsoft.com)"
	35	* The word 'cryptographic' can be left out if the rouines from the library
	36	* being used are not cryptographic related :-).
	37	* 4. If you include any Windows specific code (or a derivative thereof) from
	38	* the apps directory (application code) you must include an acknowledgement:
	39	* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
	40	*
	41	* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
	42	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	43	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	44	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	45	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	46	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	47	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	48	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	49	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	50	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	51	* SUCH DAMAGE.
	52	*
	53	* The licence and distribution terms for any publically available version or
	54	* derivative of this code cannot be changed. i.e. this code cannot simply be
	55	* copied and put under another distribution licence
	56	* [including the GNU Public Licence.]
	57	*/
	58
	59	/* This has been a quickly hacked 'ideatest.c'. When I add tests for other
	60	* RC2 modes, more of the code will be uncommented. */
	61
	62	#include <stdio.h>
	63	#include <string.h>
	64	#include <stdlib.h>
ec577822	65	#include <openssl/rc2.h>
d02b48c6 RE	66
	67	unsigned char RC2key[4][16]={
	68	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	69	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	70	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	71	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01},
	72	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
	73	0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	74	{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,
	75	0x08,0x09,0x0A,0x0B,0x0C,0x0D,0x0E,0x0F},
	76	};
	77
	78	unsigned char RC2plain[4][8]={
	79	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	80	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	81	{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},
	82	{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
	83	};
	84
	85	unsigned char RC2cipher[4][8]={
	86	{0x1C,0x19,0x8A,0x83,0x8D,0xF0,0x28,0xB7},
	87	{0x21,0x82,0x9C,0x78,0xA9,0xF9,0xC0,0x74},
	88	{0x13,0xDB,0x35,0x17,0xD3,0x21,0x86,0x9E},
	89	{0x50,0xDC,0x01,0x62,0xBD,0x75,0x7F,0x31},
	90	};
	91	/************/
	92	#ifdef undef
	93	unsigned char k[16]={
	94	0x00,0x01,0x00,0x02,0x00,0x03,0x00,0x04,
	95	0x00,0x05,0x00,0x06,0x00,0x07,0x00,0x08};
	96
	97	unsigned char in[8]={0x00,0x00,0x00,0x01,0x00,0x02,0x00,0x03};
	98	unsigned char c[8]={0x11,0xFB,0xED,0x2B,0x01,0x98,0x6D,0xE5};
	99	unsigned char out[80];
	100
	101	char *text="Hello to all people out there";
	102
	103	static unsigned char cfb_key[16]={
	104	0xe1,0xf0,0xc3,0xd2,0xa5,0xb4,0x87,0x96,
	105	0x69,0x78,0x4b,0x5a,0x2d,0x3c,0x0f,0x1e,
	106	};
	107	static unsigned char cfb_iv[80]={0x34,0x12,0x78,0x56,0xab,0x90,0xef,0xcd};
	108	static unsigned char cfb_buf1[40],cfb_buf2[40],cfb_tmp[8];
	109	#define CFB_TEST_SIZE 24
	110	static unsigned char plain[CFB_TEST_SIZE]=
	111	{
	112	0x4e,0x6f,0x77,0x20,0x69,0x73,
	113	0x20,0x74,0x68,0x65,0x20,0x74,
	114	0x69,0x6d,0x65,0x20,0x66,0x6f,
	115	0x72,0x20,0x61,0x6c,0x6c,0x20
	116	};
	117	static unsigned char cfb_cipher64[CFB_TEST_SIZE]={
	118	0x59,0xD8,0xE2,0x65,0x00,0x58,0x6C,0x3F,
	119	0x2C,0x17,0x25,0xD0,0x1A,0x38,0xB7,0x2A,
	120	0x39,0x61,0x37,0xDC,0x79,0xFB,0x9F,0x45
	121
	122	/* 0xF9,0x78,0x32,0xB5,0x42,0x1A,0x6B,0x38,
	123	0x9A,0x44,0xD6,0x04,0x19,0x43,0xC4,0xD9,
	124	0x3D,0x1E,0xAE,0x47,0xFC,0xCF,0x29,0x0B,*/
	125	};
	126
	127
	128	#ifndef NOPROTO
	129	/static int cfb64_test(unsigned char cfb_cipher);*/
130	static char pt(unsigned char p);
131	#else
132	/static int cfb64_test(); /
133	static char *pt();
134	#endif
135
136	#endif
137
6b691a5c	138	int main(int argc, char *argv[])
d02b48c6 RE	139	{
	140	int i,n,err=0;
	141	RC2_KEY key;
	142	unsigned char buf[8],buf2[8];
	143
	144	for (n=0; n<4; n++)
	145	{
	146	RC2_set_key(&key,16,&(RC2key[n][0]),0 /* or 1024 */);
	147
	148	RC2_ecb_encrypt(&(RC2plain[n][0]),buf,&key,RC2_ENCRYPT);
	149	if (memcmp(&(RC2cipher[n][0]),buf,8) != 0)
	150	{
	151	printf("ecb rc2 error encrypting\n");
	152	printf("got :");
	153	for (i=0; i<8; i++)
	154	printf("%02X ",buf[i]);
	155	printf("\n");
	156	printf("expected:");
	157	for (i=0; i<8; i++)
	158	printf("%02X ",RC2cipher[n][i]);
	159	err=20;
	160	printf("\n");
	161	}
	162
	163	RC2_ecb_encrypt(buf,buf2,&key,RC2_DECRYPT);
	164	if (memcmp(&(RC2plain[n][0]),buf2,8) != 0)
	165	{
	166	printf("ecb RC2 error decrypting\n");
	167	printf("got :");
	168	for (i=0; i<8; i++)
	169	printf("%02X ",buf[i]);
	170	printf("\n");
	171	printf("expected:");
	172	for (i=0; i<8; i++)
	173	printf("%02X ",RC2plain[n][i]);
	174	printf("\n");
	175	err=3;
	176	}
	177	}
	178
	179	if (err == 0) printf("ecb RC2 ok\n");
	180	#ifdef undef
	181	memcpy(iv,k,8);
	182	idea_cbc_encrypt((unsigned char *)text,out,strlen(text)+1,&key,iv,1);
	183	memcpy(iv,k,8);
	184	idea_cbc_encrypt(out,out,8,&dkey,iv,0);
	185	idea_cbc_encrypt(&(out[8]),&(out[8]),strlen(text)+1-8,&dkey,iv,0);
	186	if (memcmp(text,out,strlen(text)+1) != 0)
	187	{
	188	printf("cbc idea bad\n");
	189	err=4;
	190	}
	191	else
	192	printf("cbc idea ok\n");
	193
	194	printf("cfb64 idea ");
	195	if (cfb64_test(cfb_cipher64))
	196	{
	197	printf("bad\n");
	198	err=5;
	199	}
	200	else
	201	printf("ok\n");
	202	#endif
203
204	exit(err);
205	return(err);
206	}
207
208	#ifdef undef
6b691a5c	209	static int cfb64_test(unsigned char *cfb_cipher)
d02b48c6 RE	210	{
	211	IDEA_KEY_SCHEDULE eks,dks;
	212	int err=0,i,n;
	213
	214	idea_set_encrypt_key(cfb_key,&eks);
	215	idea_set_decrypt_key(&eks,&dks);
	216	memcpy(cfb_tmp,cfb_iv,8);
	217	n=0;
	218	idea_cfb64_encrypt(plain,cfb_buf1,(long)12,&eks,
	219	cfb_tmp,&n,IDEA_ENCRYPT);
	220	idea_cfb64_encrypt(&(plain[12]),&(cfb_buf1[12]),
	221	(long)CFB_TEST_SIZE-12,&eks,
	222	cfb_tmp,&n,IDEA_ENCRYPT);
	223	if (memcmp(cfb_cipher,cfb_buf1,CFB_TEST_SIZE) != 0)
	224	{
	225	err=1;
	226	printf("idea_cfb64_encrypt encrypt error\n");
	227	for (i=0; i<CFB_TEST_SIZE; i+=8)
	228	printf("%s\n",pt(&(cfb_buf1[i])));
	229	}
	230	memcpy(cfb_tmp,cfb_iv,8);
	231	n=0;
	232	idea_cfb64_encrypt(cfb_buf1,cfb_buf2,(long)17,&eks,
	233	cfb_tmp,&n,IDEA_DECRYPT);
	234	idea_cfb64_encrypt(&(cfb_buf1[17]),&(cfb_buf2[17]),
	235	(long)CFB_TEST_SIZE-17,&dks,
	236	cfb_tmp,&n,IDEA_DECRYPT);
	237	if (memcmp(plain,cfb_buf2,CFB_TEST_SIZE) != 0)
	238	{
	239	err=1;
	240	printf("idea_cfb_encrypt decrypt error\n");
	241	for (i=0; i<24; i+=8)
	242	printf("%s\n",pt(&(cfb_buf2[i])));
	243	}
	244	return(err);
	245	}
	246
6b691a5c	247	static char pt(unsigned char p)
d02b48c6 RE	248	{
	249	static char bufs[10][20];
	250	static int bnum=0;
	251	char *ret;
	252	int i;
	253	static char *f="0123456789ABCDEF";
	254
	255	ret= &(bufs[bnum++][0]);
	256	bnum%=10;
	257	for (i=0; i<8; i++)
	258	{
	259	ret[i*2]=f[(p[i]>>4)&0xf];
	260	ret[i*2+1]=f[p[i]&0xf];
	261	}
	262	ret[16]='\0';
	263	return(ret);
	264	}
	265
	266	#endif