Delete bundled copy of NSS and replace with README.

nss/lib/freebl/desblapi.c

Index: nss/lib/freebl/desblapi.c
diff --git a/nss/lib/freebl/desblapi.c b/nss/lib/freebl/desblapi.c
deleted file mode 100644
index 04a07cae7f9f55f21f52a85b03ee44b76cf69d51..0000000000000000000000000000000000000000
--- a/nss/lib/freebl/desblapi.c
+++ /dev/null
@@ -1,253 +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.
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifdef FREEBL_NO_DEPEND
-#include "stubs.h"
-#endif
-
-#include "des.h"
-#include <stddef.h>
-#include "secerr.h"
-
-#if defined(NSS_X86_OR_X64)
-/* 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]; 
-#else
-#define COPY8B(to, from, ptr) memcpy(to, from, 8)
-#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_AllocateContext(void)
-{
-    return PORT_ZNew(DESContext);
-}
-
-SECStatus   
-DES_InitContext(DESContext *cx, const unsigned char *key, unsigned int keylen,
-	        const unsigned char *iv, int mode, unsigned int encrypt,
-	        unsigned int unused)
-{
-    DESDirection opposite;
-    if (!cx) {
-	PORT_SetError(SEC_ERROR_INVALID_ARGS);
-    	return SECFailure;
-    }
-    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_SetError(SEC_ERROR_INVALID_ARGS);
-	return SECFailure;
-    }
-    return SECSuccess;
-}
-
-DESContext *
-DES_CreateContext(const BYTE * key, const BYTE *iv, int mode, PRBool encrypt)
-{
-    DESContext *cx = PORT_ZNew(DESContext);
-    SECStatus rv   = DES_InitContext(cx, key, 0, iv, mode, encrypt, 0);
-
-    if (rv != SECSuccess) {
-    	PORT_ZFree(cx, sizeof *cx);
-	cx = NULL;
-    }
-    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 % 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 % 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;
-}