Delete bundled copy of NSS and replace with README.

nss/lib/freebl/tlsprfalg.c

Index: nss/lib/freebl/tlsprfalg.c
diff --git a/nss/lib/freebl/tlsprfalg.c b/nss/lib/freebl/tlsprfalg.c
deleted file mode 100644
index f2db803012af69f929134759a67c3987997d2a0d..0000000000000000000000000000000000000000
--- a/nss/lib/freebl/tlsprfalg.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/* tlsprfalg.c - TLS Pseudo Random Function (PRF) implementation
- *
- * 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 "blapi.h"
-#include "hasht.h"
-#include "alghmac.h"
-
-
-#define PHASH_STATE_MAX_LEN HASH_LENGTH_MAX
-
-/* TLS P_hash function */
-SECStatus
-TLS_P_hash(HASH_HashType hashType, const SECItem *secret, const char *label, 
-	SECItem *seed, SECItem *result, PRBool isFIPS)
-{
-    unsigned char state[PHASH_STATE_MAX_LEN];
-    unsigned char outbuf[PHASH_STATE_MAX_LEN];
-    unsigned int state_len = 0, label_len = 0, outbuf_len = 0, chunk_size;
-    unsigned int remaining;
-    unsigned char *res;
-    SECStatus status;
-    HMACContext *cx;
-    SECStatus rv = SECFailure;
-    const SECHashObject *hashObj = HASH_GetRawHashObject(hashType);
-
-    PORT_Assert((secret != NULL) && (secret->data != NULL || !secret->len));
-    PORT_Assert((seed != NULL) && (seed->data != NULL));
-    PORT_Assert((result != NULL) && (result->data != NULL));
-
-    remaining = result->len;
-    res = result->data;
-
-    if (label != NULL)
-	label_len = PORT_Strlen(label);
-
-    cx = HMAC_Create(hashObj, secret->data, secret->len, isFIPS);
-    if (cx == NULL)
-	goto loser;
-
-    /* initialize the state = A(1) = HMAC_hash(secret, seed) */
-    HMAC_Begin(cx);
-    HMAC_Update(cx, (unsigned char *)label, label_len);
-    HMAC_Update(cx, seed->data, seed->len);
-    status = HMAC_Finish(cx, state, &state_len, sizeof(state));
-    if (status != SECSuccess)
-	goto loser;
-
-    /* generate a block at a time until we're done */
-    while (remaining > 0) {
-
-	HMAC_Begin(cx);
-	HMAC_Update(cx, state, state_len);
-	if (label_len)
-	    HMAC_Update(cx, (unsigned char *)label, label_len);
-	HMAC_Update(cx, seed->data, seed->len);
-	status = HMAC_Finish(cx, outbuf, &outbuf_len, sizeof(outbuf));
-	if (status != SECSuccess)
-	    goto loser;
-
-        /* Update the state = A(i) = HMAC_hash(secret, A(i-1)) */
-	HMAC_Begin(cx); 
-	HMAC_Update(cx, state, state_len); 
-	status = HMAC_Finish(cx, state, &state_len, sizeof(state));
-	if (status != SECSuccess)
-	    goto loser;
-
-	chunk_size = PR_MIN(outbuf_len, remaining);
-	PORT_Memcpy(res, &outbuf, chunk_size);
-	res += chunk_size;
-	remaining -= chunk_size;
-    }
-
-    rv = SECSuccess;
-
-loser:
-    /* clear out state so it's not left on the stack */
-    if (cx) 
-    	HMAC_Destroy(cx, PR_TRUE);
-    PORT_Memset(state, 0, sizeof(state));
-    PORT_Memset(outbuf, 0, sizeof(outbuf));
-    return rv;
-}
-
-SECStatus
-TLS_PRF(const SECItem *secret, const char *label, SECItem *seed, 
-         SECItem *result, PRBool isFIPS)
-{
-    SECStatus rv = SECFailure, status;
-    unsigned int i;
-    SECItem tmp = { siBuffer, NULL, 0};
-    SECItem S1;
-    SECItem S2;
-
-    PORT_Assert((secret != NULL) && (secret->data != NULL || !secret->len));
-    PORT_Assert((seed != NULL) && (seed->data != NULL));
-    PORT_Assert((result != NULL) && (result->data != NULL));
-
-    S1.type = siBuffer;
-    S1.len  = (secret->len / 2) + (secret->len & 1);
-    S1.data = secret->data;
-
-    S2.type = siBuffer;
-    S2.len  = S1.len;
-    S2.data = secret->data + (secret->len - S2.len);
-
-    tmp.data = (unsigned char*)PORT_Alloc(result->len);
-    if (tmp.data == NULL)
-	goto loser;
-    tmp.len = result->len;
-
-    status = TLS_P_hash(HASH_AlgMD5, &S1, label, seed, result, isFIPS);
-    if (status != SECSuccess)
-	goto loser;
-
-    status = TLS_P_hash(HASH_AlgSHA1, &S2, label, seed, &tmp, isFIPS);
-    if (status != SECSuccess)
-	goto loser;
-
-    for (i = 0; i < result->len; i++)
-	result->data[i] ^= tmp.data[i];
-
-    rv = SECSuccess;
-
-loser:
-    if (tmp.data != NULL)
-	PORT_ZFree(tmp.data, tmp.len);
-    return rv;
-}
-