Delete bundled copy of NSS and replace with README.

nss/lib/freebl/ctr.c

Index: nss/lib/freebl/ctr.c
diff --git a/nss/lib/freebl/ctr.c b/nss/lib/freebl/ctr.c
deleted file mode 100644
index 1cbf30c288ded2aed6197ce592c63e22e102cd9a..0000000000000000000000000000000000000000
--- a/nss/lib/freebl/ctr.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/* 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 "prtypes.h"
-#include "blapit.h"
-#include "blapii.h"
-#include "ctr.h"
-#include "pkcs11t.h"
-#include "secerr.h"
-
-#ifdef USE_HW_AES
-#include "intel-aes.h"
-#include "rijndael.h"
-#endif
-
-SECStatus
-CTR_InitContext(CTRContext *ctr, void *context, freeblCipherFunc cipher,
-		const unsigned char *param, unsigned int blocksize)
-{
-    const CK_AES_CTR_PARAMS *ctrParams = (const CK_AES_CTR_PARAMS *)param;
-
-    if (ctrParams->ulCounterBits == 0 ||
-	ctrParams->ulCounterBits > blocksize * PR_BITS_PER_BYTE) {
-	PORT_SetError(SEC_ERROR_INVALID_ARGS);
-	return SECFailure;
-    }
-
-    /* Invariant: 0 < ctr->bufPtr <= blocksize */
-    ctr->bufPtr = blocksize; /* no unused data in the buffer */
-    ctr->cipher = cipher;
-    ctr->context = context;
-    ctr->counterBits = ctrParams->ulCounterBits;
-    if (blocksize > sizeof(ctr->counter) ||
-	blocksize > sizeof(ctrParams->cb)) {
-	PORT_SetError(SEC_ERROR_LIBRARY_FAILURE);
-	return SECFailure;
-    }
-    PORT_Memcpy(ctr->counter, ctrParams->cb, blocksize);
-    return SECSuccess;
-}
-
-CTRContext *
-CTR_CreateContext(void *context, freeblCipherFunc cipher,
-		  const unsigned char *param, unsigned int blocksize)
-{
-    CTRContext *ctr;
-    SECStatus rv;
-
-    /* first fill in the Counter context */
-    ctr = PORT_ZNew(CTRContext);
-    if (ctr == NULL) {
-	return NULL;
-    }
-    rv = CTR_InitContext(ctr, context, cipher, param, blocksize);
-    if (rv != SECSuccess) {
-	CTR_DestroyContext(ctr, PR_TRUE);
-	ctr = NULL;
-    }
-    return ctr;
-}
-
-void
-CTR_DestroyContext(CTRContext *ctr, PRBool freeit)
-{
-    PORT_Memset(ctr, 0, sizeof(CTRContext));
-    if (freeit) {
-	PORT_Free(ctr);
-    }
-}
-
-/*
- * Used by counter mode. Increment the counter block. Not all bits in the
- * counter block are part of the counter, counterBits tells how many bits
- * are part of the counter. The counter block is blocksize long. It's a
- * big endian value.
- *
- * XXX Does not handle counter rollover.
- */
-static void
-ctr_GetNextCtr(unsigned char *counter, unsigned int counterBits,
-	       unsigned int blocksize)
-{
-    unsigned char *counterPtr = counter + blocksize - 1;
-    unsigned char mask, count;
-
-    PORT_Assert(counterBits <= blocksize*PR_BITS_PER_BYTE);
-    while (counterBits >= PR_BITS_PER_BYTE) {
-	if (++(*(counterPtr--))) {
-	    return;
-	}
-	counterBits -= PR_BITS_PER_BYTE;
-    }
-    if (counterBits == 0) {
-	return;
-    }
-    /* increment the final partial byte */
-    mask = (1 << counterBits)-1;
-    count = ++(*counterPtr) & mask;
-    *counterPtr = ((*counterPtr) & ~mask) | count;
-    return;
-}
-
-static void
-ctr_xor(unsigned char *target, const unsigned char *x,
-	const unsigned char *y, unsigned int count)
-{
-    unsigned int i;
-    for (i=0; i < count; i++) {
-	*target++ = *x++ ^ *y++;
-    }
-}
-
-SECStatus
-CTR_Update(CTRContext *ctr, unsigned char *outbuf,
-	   unsigned int *outlen, unsigned int maxout,
-	   const unsigned char *inbuf, unsigned int inlen,
-	   unsigned int blocksize)
-{
-    unsigned int tmp;
-    SECStatus rv;
-
-    if (maxout < inlen) {
-	*outlen = inlen;
-	PORT_SetError(SEC_ERROR_OUTPUT_LEN);
-	return SECFailure;
-    }
-    *outlen = 0;
-    if (ctr->bufPtr != blocksize) {
-	unsigned int needed = PR_MIN(blocksize-ctr->bufPtr, inlen);
-	ctr_xor(outbuf, inbuf, ctr->buffer + ctr->bufPtr, needed);
-	ctr->bufPtr += needed;
-	outbuf += needed;
-	inbuf += needed;
-	*outlen += needed;
-	inlen -= needed;
-	if (inlen == 0) {
-	    return SECSuccess;
-	}
-	PORT_Assert(ctr->bufPtr == blocksize);
-    }
-
-    while (inlen >= blocksize) {
-	rv = (*ctr->cipher)(ctr->context, ctr->buffer, &tmp, blocksize,
-			ctr->counter, blocksize, blocksize);
-	ctr_GetNextCtr(ctr->counter, ctr->counterBits, blocksize);
-	if (rv != SECSuccess) {
-	    return SECFailure;
-	}
-	ctr_xor(outbuf, inbuf, ctr->buffer, blocksize);
-	outbuf += blocksize;
-	inbuf += blocksize;
-	*outlen += blocksize;
-	inlen -= blocksize;
-    }
-    if (inlen == 0) {
-	return SECSuccess;
-    }
-    rv = (*ctr->cipher)(ctr->context, ctr->buffer, &tmp, blocksize,
-			ctr->counter, blocksize, blocksize);
-    ctr_GetNextCtr(ctr->counter, ctr->counterBits, blocksize);
-    if (rv != SECSuccess) {
-	return SECFailure;
-    }
-    ctr_xor(outbuf, inbuf, ctr->buffer, inlen);
-    ctr->bufPtr = inlen;
-    *outlen += inlen;
-    return SECSuccess;
-}
-
-#if defined(USE_HW_AES) && defined(_MSC_VER)
-SECStatus
-CTR_Update_HW_AES(CTRContext *ctr, unsigned char *outbuf,
-		  unsigned int *outlen, unsigned int maxout,
-		  const unsigned char *inbuf, unsigned int inlen,
-		  unsigned int blocksize)
-{
-    unsigned int fullblocks;
-    unsigned int tmp;
-    SECStatus rv;
-
-    if (maxout < inlen) {
-	*outlen = inlen;
-	PORT_SetError(SEC_ERROR_OUTPUT_LEN);
-	return SECFailure;
-    }
-    *outlen = 0;
-    if (ctr->bufPtr != blocksize) {
-	unsigned int needed = PR_MIN(blocksize-ctr->bufPtr, inlen);
-	ctr_xor(outbuf, inbuf, ctr->buffer + ctr->bufPtr, needed);
-	ctr->bufPtr += needed;
-	outbuf += needed;
-	inbuf += needed;
-	*outlen += needed;
-	inlen -= needed;
-	if (inlen == 0) {
-	    return SECSuccess;
-	}
-	PORT_Assert(ctr->bufPtr == blocksize);
-    }
-
-    intel_aes_ctr_worker(((AESContext*)(ctr->context))->Nr)(
-	ctr, outbuf, outlen, maxout, inbuf, inlen, blocksize);
-    /* XXX intel_aes_ctr_worker should set *outlen. */
-    PORT_Assert(*outlen == 0);
-    fullblocks = (inlen/blocksize)*blocksize;
-    *outlen += fullblocks;
-    outbuf += fullblocks;
-    inbuf += fullblocks;
-    inlen -= fullblocks;
-
-    if (inlen == 0) {
-	return SECSuccess;
-    }
-    rv = (*ctr->cipher)(ctr->context, ctr->buffer, &tmp, blocksize,
-			ctr->counter, blocksize, blocksize);
-    ctr_GetNextCtr(ctr->counter, ctr->counterBits, blocksize);
-    if (rv != SECSuccess) {
-	return SECFailure;
-    }
-    ctr_xor(outbuf, inbuf, ctr->buffer, inlen);
-    ctr->bufPtr = inlen;
-    *outlen += inlen;
-    return SECSuccess;
-}
-#endif