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Diffstat (limited to 'security/nss/lib/freebl/desblapi.c')
-rw-r--r--security/nss/lib/freebl/desblapi.c275
1 files changed, 0 insertions, 275 deletions
diff --git a/security/nss/lib/freebl/desblapi.c b/security/nss/lib/freebl/desblapi.c
deleted file mode 100644
index 7f8d8ac14..000000000
--- a/security/nss/lib/freebl/desblapi.c
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@@ -1,275 +0,0 @@
-/*
- * desblapi.c
- *
- * core source file for DES-150 library
- * Implement DES Modes of Operation and Triple-DES.
- * Adapt DES-150 to blapi API.
- *
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is the DES-150 library.
- *
- * The Initial Developer of the Original Code is Nelson B. Bolyard,
- * nelsonb@iname.com. Portions created by Nelson B. Bolyard are
- * Copyright (C) 1990, 2000 Nelson B. Bolyard, All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the GPL.
- */
-
-#include "des.h"
-#include <stddef.h>
-#include "secerr.h"
-
-#if defined(_X86_)
-/* Intel X86 CPUs do unaligned loads and stores without complaint. */
-#define COPY8B(to, from, ptr) \
- HALFPTR(to)[0] = HALFPTR(from)[0]; \
- HALFPTR(to)[1] = HALFPTR(from)[1];
-#elif defined(USE_MEMCPY)
-#define COPY8B(to, from, ptr) memcpy(to, from, 8)
-#else
-#define COPY8B(to, from, ptr) \
- if (((ptrdiff_t)(ptr) & 0x3) == 0) { \
- HALFPTR(to)[0] = HALFPTR(from)[0]; \
- HALFPTR(to)[1] = HALFPTR(from)[1]; \
- } else if (((ptrdiff_t)(ptr) & 0x1) == 0) { \
- SHORTPTR(to)[0] = SHORTPTR(from)[0]; \
- SHORTPTR(to)[1] = SHORTPTR(from)[1]; \
- SHORTPTR(to)[2] = SHORTPTR(from)[2]; \
- SHORTPTR(to)[3] = SHORTPTR(from)[3]; \
- } else { \
- BYTEPTR(to)[0] = BYTEPTR(from)[0]; \
- BYTEPTR(to)[1] = BYTEPTR(from)[1]; \
- BYTEPTR(to)[2] = BYTEPTR(from)[2]; \
- BYTEPTR(to)[3] = BYTEPTR(from)[3]; \
- BYTEPTR(to)[4] = BYTEPTR(from)[4]; \
- BYTEPTR(to)[5] = BYTEPTR(from)[5]; \
- BYTEPTR(to)[6] = BYTEPTR(from)[6]; \
- BYTEPTR(to)[7] = BYTEPTR(from)[7]; \
- }
-#endif
-#define COPY8BTOHALF(to, from) COPY8B(to, from, from)
-#define COPY8BFROMHALF(to, from) COPY8B(to, from, to)
-
-static void
-DES_ECB(DESContext *cx, BYTE *out, const BYTE *in, unsigned int len)
-{
- while (len) {
- DES_Do1Block(cx->ks0, in, out);
- len -= 8;
- in += 8;
- out += 8;
- }
-}
-
-static void
-DES_EDE3_ECB(DESContext *cx, BYTE *out, const BYTE *in, unsigned int len)
-{
- while (len) {
- DES_Do1Block(cx->ks0, in, out);
- len -= 8;
- in += 8;
- DES_Do1Block(cx->ks1, out, out);
- DES_Do1Block(cx->ks2, out, out);
- out += 8;
- }
-}
-
-static void
-DES_CBCEn(DESContext *cx, BYTE *out, const BYTE *in, unsigned int len)
-{
- const BYTE * bufend = in + len;
- HALF vec[2];
-
- while (in != bufend) {
- COPY8BTOHALF(vec, in);
- in += 8;
- vec[0] ^= cx->iv[0];
- vec[1] ^= cx->iv[1];
- DES_Do1Block( cx->ks0, (BYTE *)vec, (BYTE *)cx->iv);
- COPY8BFROMHALF(out, cx->iv);
- out += 8;
- }
-}
-
-static void
-DES_CBCDe(DESContext *cx, BYTE *out, const BYTE *in, unsigned int len)
-{
- const BYTE * bufend;
- HALF oldciphertext[2];
- HALF plaintext [2];
-
- for (bufend = in + len; in != bufend; ) {
- oldciphertext[0] = cx->iv[0];
- oldciphertext[1] = cx->iv[1];
- COPY8BTOHALF(cx->iv, in);
- in += 8;
- DES_Do1Block(cx->ks0, (BYTE *)cx->iv, (BYTE *)plaintext);
- plaintext[0] ^= oldciphertext[0];
- plaintext[1] ^= oldciphertext[1];
- COPY8BFROMHALF(out, plaintext);
- out += 8;
- }
-}
-
-static void
-DES_EDE3CBCEn(DESContext *cx, BYTE *out, const BYTE *in, unsigned int len)
-{
- const BYTE * bufend = in + len;
- HALF vec[2];
-
- while (in != bufend) {
- COPY8BTOHALF(vec, in);
- in += 8;
- vec[0] ^= cx->iv[0];
- vec[1] ^= cx->iv[1];
- DES_Do1Block( cx->ks0, (BYTE *)vec, (BYTE *)cx->iv);
- DES_Do1Block( cx->ks1, (BYTE *)cx->iv, (BYTE *)cx->iv);
- DES_Do1Block( cx->ks2, (BYTE *)cx->iv, (BYTE *)cx->iv);
- COPY8BFROMHALF(out, cx->iv);
- out += 8;
- }
-}
-
-static void
-DES_EDE3CBCDe(DESContext *cx, BYTE *out, const BYTE *in, unsigned int len)
-{
- const BYTE * bufend;
- HALF oldciphertext[2];
- HALF plaintext [2];
-
- for (bufend = in + len; in != bufend; ) {
- oldciphertext[0] = cx->iv[0];
- oldciphertext[1] = cx->iv[1];
- COPY8BTOHALF(cx->iv, in);
- in += 8;
- DES_Do1Block(cx->ks0, (BYTE *)cx->iv, (BYTE *)plaintext);
- DES_Do1Block(cx->ks1, (BYTE *)plaintext, (BYTE *)plaintext);
- DES_Do1Block(cx->ks2, (BYTE *)plaintext, (BYTE *)plaintext);
- plaintext[0] ^= oldciphertext[0];
- plaintext[1] ^= oldciphertext[1];
- COPY8BFROMHALF(out, plaintext);
- out += 8;
- }
-}
-
-DESContext *
-DES_CreateContext(const BYTE * key, const BYTE *iv, int mode, PRBool encrypt)
-{
- DESContext *cx = PORT_ZNew(DESContext);
- DESDirection opposite;
- if (!cx)
- return 0;
- cx->direction = encrypt ? DES_ENCRYPT : DES_DECRYPT;
- opposite = encrypt ? DES_DECRYPT : DES_ENCRYPT;
- switch (mode) {
- case NSS_DES: /* DES ECB */
- DES_MakeSchedule( cx->ks0, key, cx->direction);
- cx->worker = &DES_ECB;
- break;
-
- case NSS_DES_EDE3: /* DES EDE ECB */
- cx->worker = &DES_EDE3_ECB;
- if (encrypt) {
- DES_MakeSchedule(cx->ks0, key, cx->direction);
- DES_MakeSchedule(cx->ks1, key + 8, opposite);
- DES_MakeSchedule(cx->ks2, key + 16, cx->direction);
- } else {
- DES_MakeSchedule(cx->ks2, key, cx->direction);
- DES_MakeSchedule(cx->ks1, key + 8, opposite);
- DES_MakeSchedule(cx->ks0, key + 16, cx->direction);
- }
- break;
-
- case NSS_DES_CBC: /* DES CBC */
- COPY8BTOHALF(cx->iv, iv);
- cx->worker = encrypt ? &DES_CBCEn : &DES_CBCDe;
- DES_MakeSchedule(cx->ks0, key, cx->direction);
- break;
-
- case NSS_DES_EDE3_CBC: /* DES EDE CBC */
- COPY8BTOHALF(cx->iv, iv);
- if (encrypt) {
- cx->worker = &DES_EDE3CBCEn;
- DES_MakeSchedule(cx->ks0, key, cx->direction);
- DES_MakeSchedule(cx->ks1, key + 8, opposite);
- DES_MakeSchedule(cx->ks2, key + 16, cx->direction);
- } else {
- cx->worker = &DES_EDE3CBCDe;
- DES_MakeSchedule(cx->ks2, key, cx->direction);
- DES_MakeSchedule(cx->ks1, key + 8, opposite);
- DES_MakeSchedule(cx->ks0, key + 16, cx->direction);
- }
- break;
-
- default:
- PORT_Free(cx);
- cx = 0;
- PORT_SetError(SEC_ERROR_INVALID_ARGS);
- break;
- }
- return cx;
-}
-
-void
-DES_DestroyContext(DESContext *cx, PRBool freeit)
-{
- if (cx) {
- memset(cx, 0, sizeof *cx);
- if (freeit)
- PORT_Free(cx);
- }
-}
-
-SECStatus
-DES_Encrypt(DESContext *cx, BYTE *out, unsigned int *outLen,
- unsigned int maxOutLen, const BYTE *in, unsigned int inLen)
-{
-
- if (inLen < 0 || (inLen % 8) != 0 || maxOutLen < inLen || !cx ||
- cx->direction != DES_ENCRYPT) {
- PORT_SetError(SEC_ERROR_INVALID_ARGS);
- return SECFailure;
- }
-
- cx->worker(cx, out, in, inLen);
- if (outLen)
- *outLen = inLen;
- return SECSuccess;
-}
-
-SECStatus
-DES_Decrypt(DESContext *cx, BYTE *out, unsigned int *outLen,
- unsigned int maxOutLen, const BYTE *in, unsigned int inLen)
-{
-
- if (inLen < 0 || (inLen % 8) != 0 || maxOutLen < inLen || !cx ||
- cx->direction != DES_DECRYPT) {
- PORT_SetError(SEC_ERROR_INVALID_ARGS);
- return SECFailure;
- }
-
- cx->worker(cx, out, in, inLen);
- if (outLen)
- *outLen = inLen;
- return SECSuccess;
-}
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