release/4.7.0_cvs

1 files changed, 0 insertions, 380 deletions

diff --git a/secure/lib/libcrypt/crypt-blowfish.c b/secure/lib/libcrypt/crypt-blowfish.c
deleted file mode 100644
index 6893da3416de..000000000000
--- a/secure/lib/libcrypt/crypt-blowfish.c
+++ /dev/null
@@ -1,380 +0,0 @@
-/*
- * Copyright 1997 Niels Provos <provos@physnet.uni-hamburg.de>
- * All rights reserved.
- *
- * 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 above 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 software developed by Niels Provos.
- * 4. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
- *
- * $FreeBSD$
- */
-
-/* This password hashing algorithm was designed by David Mazieres
- * <dm@lcs.mit.edu> and works as follows:
- *
- * 1. state := InitState ()
- * 2. state := ExpandKey (state, salt, password) 3.
- * REPEAT rounds:
- *	state := ExpandKey (state, 0, salt)
- *      state := ExpandKey(state, 0, password)
- * 4. ctext := "OrpheanBeholderScryDoubt"
- * 5. REPEAT 64:
- * 	ctext := Encrypt_ECB (state, ctext);
- * 6. RETURN Concatenate (salt, ctext);
- *
- */
-
-/*
- * FreeBSD implementation by Paul Herman <pherman@frenchfries.net>
- */
-
-#if 0
-#include <stdio.h>
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <string.h>
-#include <pwd.h>
-#include "blowfish.h"
-
-/* This implementation is adaptable to current computing power.
- * You can have up to 2^31 rounds which should be enough for some
- * time to come.
- */
-
-#define BCRYPT_VERSION '2'
-#define BCRYPT_MAXSALT 16	/* Precomputation is just so nice */
-#define BCRYPT_BLOCKS 6		/* Ciphertext blocks */
-#define BCRYPT_MINROUNDS 16	/* we have log2(rounds) in salt */
-
-char   *bcrypt_gensalt __P((u_int8_t));
-
-static void encode_salt __P((char *, u_int8_t *, u_int16_t, u_int8_t));
-static void encode_base64 __P((u_int8_t *, u_int8_t *, u_int16_t));
-static void decode_base64 __P((u_int8_t *, u_int16_t, u_int8_t *));
-
-static char    encrypted[_PASSWORD_LEN];
-static char    gsalt[BCRYPT_MAXSALT * 4 / 3 + 1];
-static char    error[] = ":";
-
-const static u_int8_t Base64Code[] =
-"./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
-
-const static u_int8_t index_64[128] =
-{
-	255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-	255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-	255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-	255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
-	255, 255, 255, 255, 255, 255, 0, 1, 54, 55,
-	56, 57, 58, 59, 60, 61, 62, 63, 255, 255,
-	255, 255, 255, 255, 255, 2, 3, 4, 5, 6,
-	7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
-	17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
-	255, 255, 255, 255, 255, 255, 28, 29, 30,
-	31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
-	41, 42, 43, 44, 45, 46, 47, 48, 49, 50,
-	51, 52, 53, 255, 255, 255, 255, 255
-};
-#define CHAR64(c)  ( (c) > 127 ? 255 : index_64[(c)])
-
-#ifdef __STDC__
-static void
-decode_base64(u_int8_t *buffer, u_int16_t len, u_int8_t *data)
-#else
-static void
-decode_base64(buffer, len, data)
-	u_int8_t *buffer;
-	u_int16_t len;
-	u_int8_t *data;
-#endif
-{
-	u_int8_t *bp = buffer;
-	u_int8_t *p = data;
-	u_int8_t c1, c2, c3, c4;
-	while (bp < buffer + len) {
-		c1 = CHAR64(*p);
-		c2 = CHAR64(*(p + 1));
-
-		/* Invalid data */
-		if (c1 == 255 || c2 == 255)
-			break;
-
-		*bp++ = (c1 << 2) | ((c2 & 0x30) >> 4);
-		if (bp >= buffer + len)
-			break;
-
-		c3 = CHAR64(*(p + 2));
-		if (c3 == 255)
-			break;
-
-		*bp++ = ((c2 & 0x0f) << 4) | ((c3 & 0x3c) >> 2);
-		if (bp >= buffer + len)
-			break;
-
-		c4 = CHAR64(*(p + 3));
-		if (c4 == 255)
-			break;
-		*bp++ = ((c3 & 0x03) << 6) | c4;
-
-		p += 4;
-	}
-}
-
-#ifdef __STDC__
-static void
-encode_salt(char *salt, u_int8_t *csalt, u_int16_t clen, u_int8_t logr)
-#else
-static void
-encode_salt(salt, csalt, clen, logr)
-	char   *salt;
-	u_int8_t *csalt;
-	u_int16_t clen;
-	u_int8_t logr;
-#endif
-{
-	salt[0] = '$';
-	salt[1] = BCRYPT_VERSION;
-	salt[2] = 'a';
-	salt[3] = '$';
-
-	snprintf(salt + 4, 4, "%2.2u$", logr);
-
-	encode_base64((u_int8_t *) salt + 7, csalt, clen);
-}
-/* Generates a salt for this version of crypt.
-   Since versions may change. Keeping this here
-   seems sensible.
- */
-
-#ifdef __STDC__
-char *
-bcrypt_gensalt(u_int8_t log_rounds)
-#else
-char *
-bcrypt_gensalt(log_rounds)
-	u_int8_t log_rounds;
-#endif
-{
-	u_int8_t csalt[BCRYPT_MAXSALT];
-	u_int16_t i;
-	u_int32_t seed = 0;
-
-	for (i = 0; i < BCRYPT_MAXSALT; i++) {
-		if (i % 4 == 0)
-			seed = arc4random();
-		csalt[i] = seed & 0xff;
-		seed = seed >> 8;
-	}
-
-	if (log_rounds < 4)
-		log_rounds = 4;
-
-	encode_salt(gsalt, csalt, BCRYPT_MAXSALT, log_rounds);
-	return gsalt;
-}
-/* We handle $Vers$log2(NumRounds)$salt+passwd$
-   i.e. $2$04$iwouldntknowwhattosayetKdJ6iFtacBqJdKe6aW7ou */
-
-char   *
-crypt_blowfish(key, salt)
-	const char   *key;
-	const char   *salt;
-{
-	blf_ctx state;
-	u_int32_t rounds, i, k;
-	u_int16_t j;
-	u_int8_t key_len, salt_len, logr, minor;
-	u_int8_t ciphertext[4 * BCRYPT_BLOCKS] = "OrpheanBeholderScryDoubt";
-	u_int8_t csalt[BCRYPT_MAXSALT];
-	u_int32_t cdata[BCRYPT_BLOCKS];
-	static char     *magic = "$2a$04$";
-                                   
-		/* Defaults */
-	minor = 'a';
-	logr = 4;
-	rounds = 1 << logr;
-
-        /* If it starts with the magic string, then skip that */
-	if(!strncmp(salt, magic, strlen(magic))) {
-		salt += strlen(magic);
-	}
-	else if (*salt == '$') {
-
-		/* Discard "$" identifier */
-		salt++;
-
-		if (*salt > BCRYPT_VERSION) {
-			/* How do I handle errors ? Return ':' */
-			return error;
-		}
-
-		/* Check for minor versions */
-		if (salt[1] != '$') {
-			 switch (salt[1]) {
-			 case 'a':
-				 /* 'ab' should not yield the same as 'abab' */
-				 minor = salt[1];
-				 salt++;
-				 break;
-			 default:
-				 return error;
-			 }
-		} else
-			 minor = 0;
-
-		/* Discard version + "$" identifier */
-		salt += 2;
-
-		if (salt[2] != '$')
-			/* Out of sync with passwd entry */
-			return error;
-
-		/* Computer power doesnt increase linear, 2^x should be fine */
-		if ((rounds = (u_int32_t) 1 << (logr = atoi(salt))) < BCRYPT_MINROUNDS)
-			return error;
-
-		/* Discard num rounds + "$" identifier */
-		salt += 3;
-	}
-
-
-	/* We dont want the base64 salt but the raw data */
-	decode_base64(csalt, BCRYPT_MAXSALT, (u_int8_t *) salt);
-	salt_len = BCRYPT_MAXSALT;
-	key_len = strlen(key) + (minor >= 'a' ? 1 : 0);
-
-	/* Setting up S-Boxes and Subkeys */
-	Blowfish_initstate(&state);
-	Blowfish_expandstate(&state, csalt, salt_len,
-	    (u_int8_t *) key, key_len);
-	for (k = 0; k < rounds; k++) {
-		Blowfish_expand0state(&state, (u_int8_t *) key, key_len);
-		Blowfish_expand0state(&state, csalt, salt_len);
-	}
-
-	/* This can be precomputed later */
-	j = 0;
-	for (i = 0; i < BCRYPT_BLOCKS; i++)
-		cdata[i] = Blowfish_stream2word(ciphertext, 4 * BCRYPT_BLOCKS, &j);
-
-	/* Now do the encryption */
-	for (k = 0; k < 64; k++)
-		blf_enc(&state, cdata, BCRYPT_BLOCKS / 2);
-
-	for (i = 0; i < BCRYPT_BLOCKS; i++) {
-		ciphertext[4 * i + 3] = cdata[i] & 0xff;
-		cdata[i] = cdata[i] >> 8;
-		ciphertext[4 * i + 2] = cdata[i] & 0xff;
-		cdata[i] = cdata[i] >> 8;
-		ciphertext[4 * i + 1] = cdata[i] & 0xff;
-		cdata[i] = cdata[i] >> 8;
-		ciphertext[4 * i + 0] = cdata[i] & 0xff;
-	}
-
-
-	i = 0;
-	encrypted[i++] = '$';
-	encrypted[i++] = BCRYPT_VERSION;
-	if (minor)
-		encrypted[i++] = minor;
-	encrypted[i++] = '$';
-
-	snprintf(encrypted + i, 4, "%2.2u$", logr);
-
-	encode_base64((u_int8_t *) encrypted + i + 3, csalt, BCRYPT_MAXSALT);
-	encode_base64((u_int8_t *) encrypted + strlen(encrypted), ciphertext,
-	    4 * BCRYPT_BLOCKS - 1);
-	return encrypted;
-}
-
-#ifdef __STDC__
-static void
-encode_base64(u_int8_t *buffer, u_int8_t *data, u_int16_t len)
-#else
-static void
-encode_base64(buffer, data, len)
-	u_int8_t *buffer;
-	u_int8_t *data;
-	u_int16_t len;
-#endif
-{
-	u_int8_t *bp = buffer;
-	u_int8_t *p = data;
-	u_int8_t c1, c2;
-	while (p < data + len) {
-		c1 = *p++;
-		*bp++ = Base64Code[(c1 >> 2)];
-		c1 = (c1 & 0x03) << 4;
-		if (p >= data + len) {
-			*bp++ = Base64Code[c1];
-			break;
-		}
-		c2 = *p++;
-		c1 |= (c2 >> 4) & 0x0f;
-		*bp++ = Base64Code[c1];
-		c1 = (c2 & 0x0f) << 2;
-		if (p >= data + len) {
-			*bp++ = Base64Code[c1];
-			break;
-		}
-		c2 = *p++;
-		c1 |= (c2 >> 6) & 0x03;
-		*bp++ = Base64Code[c1];
-		*bp++ = Base64Code[c2 & 0x3f];
-	}
-	*bp = '\0';
-}
-#if 0
-void
-main()
-{
-	char    blubber[73];
-	char    salt[100];
-	char   *p;
-	salt[0] = '$';
-	salt[1] = BCRYPT_VERSION;
-	salt[2] = '$';
-
-	snprintf(salt + 3, 4, "%2.2u$", 5);
-
-	printf("24 bytes of salt: ");
-	fgets(salt + 6, 94, stdin);
-	salt[99] = 0;
-	printf("72 bytes of password: ");
-	fpurge(stdin);
-	fgets(blubber, 73, stdin);
-	blubber[72] = 0;
-
-	p = crypt(blubber, salt);
-	printf("Passwd entry: %s\n\n", p);
-
-	p = bcrypt_gensalt(5);
-	printf("Generated salt: %s\n", p);
-	p = crypt(blubber, p);
-	printf("Passwd entry: %s\n", p);
-}
-#endif