diff options
Diffstat (limited to 'sys/crypto/rc5')
| -rw-r--r-- | sys/crypto/rc5/rc5.c | 219 | ||||
| -rw-r--r-- | sys/crypto/rc5/rc5.h | 87 | ||||
| -rw-r--r-- | sys/crypto/rc5/rc5_cbc.c | 215 |
3 files changed, 0 insertions, 521 deletions
diff --git a/sys/crypto/rc5/rc5.c b/sys/crypto/rc5/rc5.c deleted file mode 100644 index 99a8ac6faf91..000000000000 --- a/sys/crypto/rc5/rc5.c +++ /dev/null @@ -1,219 +0,0 @@ -/* $FreeBSD$ */ -/* $KAME: rc5.c,v 1.3 2000/03/27 04:36:36 sumikawa Exp $ */ - -/* - * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. - * 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. Neither the name of the project nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``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 PROJECT 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. - */ -#include <crypto/rc5/rc5.h> - - -void -set_rc5_expandkey(e_key, key, keylen, rounds) - RC5_WORD *e_key; - u_int8_t *key; - size_t keylen; - int rounds; -{ - int i, j, k, LL, t, T; - RC5_WORD L[256/WW]; - RC5_WORD A, B; - - LL = (keylen + WW - 1) / WW; - - bzero(L, sizeof(RC5_WORD)*LL); - - for (i = 0; i < keylen; i++) { - t = (key[i] & 0xff) << (8*(i%4)); - L[i/WW] = L[i/WW] + t; - } - - T = 2 * (rounds + 1); - e_key[0] = Pw; - for (i = 1; i < T; i++) - e_key[i] = e_key[i-1] + Qw; - - i = j = 0; - A = B = 0; - if (LL > T) - k = 3 * LL; - else - k = 3 * T; - - for (; k > 0; k--) { - A = ROTL(e_key[i]+A+B, 3, W); - e_key[i] = A; - B = ROTL(L[j]+A+B, A+B, W); - L[j] = B; - - i = (i + 1) % T; - j = (j + 1) % LL; - } -} - - -/* - * - */ -void -rc5_encrypt_round16(out, in, e_key) - u_int8_t *out; - const u_int8_t *in; - const RC5_WORD *e_key; -{ - RC5_WORD A, B; - const RC5_WORD *e_keyA, *e_keyB; - - A = in[0] & 0xff; - A += (in[1] & 0xff) << 8; - A += (in[2] & 0xff) << 16; - A += (in[3] & 0xff) << 24; - B = in[4] & 0xff; - B += (in[5] & 0xff) << 8; - B += (in[6] & 0xff) << 16; - B += (in[7] & 0xff) << 24; - - e_keyA = e_key; - e_keyB = e_key + 1; - - A += *e_keyA; e_keyA += 2; - B += *e_keyB; e_keyB += 2; - - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; /* round 4 */ - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; /* round 8 */ - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; /* round 12 */ - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; - A = ROTL(A^B, B, W) + *e_keyA; e_keyA += 2; - B = ROTL(B^A, A, W) + *e_keyB; e_keyB += 2; /* round 16 */ - - out[0] = A & 0xff; - out[1] = (A >> 8) & 0xff; - out[2] = (A >> 16) & 0xff; - out[3] = (A >> 24) & 0xff; - out[4] = B & 0xff; - out[5] = (B >> 8) & 0xff; - out[6] = (B >> 16) & 0xff; - out[7] = (B >> 24) & 0xff; -} - - -/* - * - */ -void -rc5_decrypt_round16(out, in, e_key) - u_int8_t *out; - const u_int8_t *in; - const RC5_WORD *e_key; -{ - RC5_WORD A, B; - const RC5_WORD *e_keyA, *e_keyB; - - A = in[0] & 0xff; - A += (in[1] & 0xff) << 8; - A += (in[2] & 0xff) << 16; - A += (in[3] & 0xff) << 24; - B = in[4] & 0xff; - B += (in[5] & 0xff) << 8; - B += (in[6] & 0xff) << 16; - B += (in[7] & 0xff) << 24; - - e_keyA = e_key + 2*16; - e_keyB = e_key + 2*16 + 1; - - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; /* round 4 */ - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; /* round 8 */ - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; /* round 12 */ - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; - B = ROTR(B-*e_keyB, A, W) ^ A; e_keyB -= 2; - A = ROTR(A-*e_keyA, B, W) ^ B; e_keyA -= 2; /* round 16 */ - - B = B - *e_keyB; - A = A - *e_keyA; - - out[0] = A & 0xff; - out[1] = (A >> 8) & 0xff; - out[2] = (A >> 16) & 0xff; - out[3] = (A >> 24) & 0xff; - out[4] = B & 0xff; - out[5] = (B >> 8) & 0xff; - out[6] = (B >> 16) & 0xff; - out[7] = (B >> 24) & 0xff; -} - diff --git a/sys/crypto/rc5/rc5.h b/sys/crypto/rc5/rc5.h deleted file mode 100644 index ae2339b757a1..000000000000 --- a/sys/crypto/rc5/rc5.h +++ /dev/null @@ -1,87 +0,0 @@ -/* $FreeBSD$ */ -/* $KAME: rc5.h,v 1.4 2000/06/14 10:41:17 itojun Exp $ */ - -/* - * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. - * 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. Neither the name of the project nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``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 PROJECT 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. - */ - -#ifndef _RFC2040_RC5_H_ -#define _RFC2040_RC5_H_ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/mbuf.h> - -/* - * if RC5_WORD change, W also may be changed. - */ -typedef u_int32_t RC5_WORD; - -#define W (32) -#define WW (W / 8) -#define ROT_MASK (W - 1) -#define BB ((2 * W) / 8) - -#define SHLL(x, s) ((RC5_WORD)((x) << ((s)&ROT_MASK))) -#define SHLR(x, s, w) ((RC5_WORD)((x) >> ((w)-((s)&ROT_MASK)))) -#define SHRL(x, s, w) ((RC5_WORD)((x) << ((w)-((s)&ROT_MASK)))) -#define SHRR(x, s) ((RC5_WORD)((x) >> ((s)&ROT_MASK))) - -#define ROTL(x, s, w) ((RC5_WORD)(SHLL((x), (s))|SHLR((x), (s), (w)))) -#define ROTR(x, s, w) ((RC5_WORD)(SHRL((x), (s), (w))|SHRR((x), (s)))) - -#define P16 0xb7e1 -#define Q16 0x9e37 -#define P32 0xb7e15163 -#define Q32 0x9e3779b9 -#define P64 0xb7e151628aed2a6b -#define Q64 0x9e3779b97f4a7c15 - -#if W == 16 -#define Pw P16 -#define Qw Q16 -#elif W == 32 -#define Pw P32 -#define Qw Q32 -#elif W == 64 -#define Pw P64 -#define Qw Q64 -#endif - -#define RC5_ENCRYPT 1 -#define RC5_DECRYPT 0 - -extern void set_rc5_expandkey __P((RC5_WORD *, u_int8_t *, size_t, int)); -extern void rc5_encrypt_round16 __P((u_int8_t *, const u_int8_t *, - const RC5_WORD *)); -extern void rc5_decrypt_round16 __P((u_int8_t *, const u_int8_t *, - const RC5_WORD *)); -extern int rc5_cbc_process __P((struct mbuf *, size_t, size_t, RC5_WORD *, - u_int8_t *, int)); - -#endif diff --git a/sys/crypto/rc5/rc5_cbc.c b/sys/crypto/rc5/rc5_cbc.c deleted file mode 100644 index 5972cc61220b..000000000000 --- a/sys/crypto/rc5/rc5_cbc.c +++ /dev/null @@ -1,215 +0,0 @@ -/* $FreeBSD$ */ -/* $KAME: rc5_cbc.c,v 1.4 2000/06/14 10:41:17 itojun Exp $ */ - -/* - * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. - * 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. Neither the name of the project nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``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 PROJECT 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. - */ -/* - * based on sys/crypto/des/des_cbc.c, rewrote by Tomomi Suzuki - */ -#include <crypto/rc5/rc5.h> - -#define panic(x) do { printf(x); return EINVAL; } while (0) - -int -rc5_cbc_process(m0, skip, length, e_key, iv, mode) - struct mbuf *m0; - size_t skip; - size_t length; - RC5_WORD *e_key; - u_int8_t *iv; - int mode; -{ - u_int8_t inbuf[8], outbuf[8]; - struct mbuf *m; - size_t off; - - /* sanity check */ - if (m0->m_pkthdr.len < skip) { - printf("rc5_cbc_process: mbuf length < skip\n"); - return EINVAL; - } - if (m0->m_pkthdr.len < length) { - printf("rc5_cbc_process: mbuf length < encrypt length\n"); - return EINVAL; - } - if (m0->m_pkthdr.len < skip + length) { - printf("rc5_cbc_process: mbuf length < " - "skip + encrypt length\n"); - return EINVAL; - } - if (length % 8) { - printf("rc5_cbc_process: length(%lu)is not multipleof 8\n", - (u_long)length); - return EINVAL; - } - - m = m0; - off = 0; - - /* skip over the header */ - while (skip) { - if (!m) - panic("rc5_cbc_process: mbuf chain?\n"); - if (m->m_len <= skip) { - skip -= m->m_len; - m = m->m_next; - off = 0; - } else { - off = skip; - skip = 0; - } - } - - /* copy iv into outbuf for XOR (encrypt) */ - bcopy(iv, outbuf, 8); - - /* - * encrypt/decrypt packet - */ - while (length > 0) { - int i; - - if (!m) - panic("rc5_cbc_process: mbuf chain?\n"); - - /* - * copy the source into input buffer. - * don't update off or m, since we need to use them - * later. - */ - if (off + 8 <= m->m_len) - bcopy(mtod(m, u_int8_t *) + off, &inbuf[0], 8); - else { - struct mbuf *n; - size_t noff; - u_int8_t *p; - u_int8_t *in; - - n = m; - noff = off; - p = mtod(n, u_int8_t *) + noff; - - in = &inbuf[0]; - while (in - &inbuf[0] < 8) { - if (!p) { - panic("rc5_cbc_process: " - "mbuf chain?\n"); - } - *in++ = *p++; - noff++; - if (noff < n->m_len) - continue; - do { - n = n->m_next; - } while (n && !n->m_len); - noff = 0; - if (n) - p = mtod(n, u_int8_t *) + noff; - else - p = NULL; - } - } - - /* encrypt/decrypt */ - switch (mode) { - case RC5_ENCRYPT: - /* XOR */ - for (i = 0; i < 8; i++) - inbuf[i] ^= outbuf[i]; - - /* encrypt */ - rc5_encrypt_round16(outbuf, inbuf, e_key); - break; - - case RC5_DECRYPT: - /* decrypt */ - rc5_decrypt_round16(outbuf, inbuf, e_key); - - /* XOR */ - for (i = 0; i < 8; i++) - outbuf[i] ^= iv[i]; - - /* copy inbuf into iv for next XOR */ - bcopy(inbuf, iv, 8); - break; - } - - /* - * copy the output buffer into the result. - * need to update off and m. - */ - if (off + 8 < m->m_len) { - bcopy(&outbuf[0], mtod(m, u_int8_t *) + off, 8); - off += 8; - } else if (off + 8 == m->m_len) { - bcopy(&outbuf[0], mtod(m, u_int8_t *) + off, 8); - do { - m = m->m_next; - } while (m && !m->m_len); - off = 0; - } else { - struct mbuf *n; - size_t noff; - u_int8_t *p; - u_int8_t *out; - - n = m; - noff = off; - p = mtod(n, u_int8_t *) + noff; - - out = &outbuf[0]; - while (out - &outbuf[0] < 8) { - if (!p) { - panic("rc5_cbc_process: " - "mbuf chain?\n"); - } - *p++ = *out++; - noff++; - if (noff < n->m_len) - continue; - do { - n = n->m_next; - } while (n && !n->m_len); - noff = 0; - if (n) - p = mtod(n, u_int8_t *) + noff; - else - p = NULL; - } - - m = n; - off = noff; - } - - length -= 8; - } - - return 0; -} - |