Delete bundled copy of NSS and replace with README.

nss/lib/pk11wrap/pk11kea.c

Index: nss/lib/pk11wrap/pk11kea.c
diff --git a/nss/lib/pk11wrap/pk11kea.c b/nss/lib/pk11wrap/pk11kea.c
deleted file mode 100644
index a7dd4fbbc5c5215a647098b62f40de8a699d7789..0000000000000000000000000000000000000000
--- a/nss/lib/pk11wrap/pk11kea.c
+++ /dev/null
@@ -1,131 +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/. */
-/*
- * This file implements the Symkey wrapper and the PKCS context
- * Interfaces.
- */
-
-#include "seccomon.h"
-#include "secmod.h"
-#include "nssilock.h"
-#include "secmodi.h"
-#include "secmodti.h"
-#include "pkcs11.h"
-#include "pk11func.h"
-#include "secitem.h"
-#include "key.h"
-#include "secasn1.h"
-#include "sechash.h"
-#include "cert.h"
-#include "secerr.h"
-
-/*
- * find an RSA public key on a card
- */
-static CK_OBJECT_HANDLE
-pk11_FindRSAPubKey(PK11SlotInfo *slot)
-{
-    CK_KEY_TYPE key_type = CKK_RSA;
-    CK_OBJECT_CLASS class_type = CKO_PUBLIC_KEY;
-    CK_ATTRIBUTE theTemplate[2];
-    int template_count = sizeof(theTemplate)/sizeof(theTemplate[0]);
-    CK_ATTRIBUTE *attrs = theTemplate;
-
-    PK11_SETATTRS(attrs,CKA_CLASS,&class_type,sizeof(class_type)); attrs++;
-    PK11_SETATTRS(attrs,CKA_KEY_TYPE,&key_type,sizeof(key_type)); attrs++;
-    template_count = attrs - theTemplate;
-    PR_ASSERT(template_count <= sizeof(theTemplate)/sizeof(CK_ATTRIBUTE));
-
-    return pk11_FindObjectByTemplate(slot,theTemplate,template_count);
-}
-
-PK11SymKey *
-pk11_KeyExchange(PK11SlotInfo *slot,CK_MECHANISM_TYPE type,
-		 CK_ATTRIBUTE_TYPE operation, CK_FLAGS flags, 
-					PRBool isPerm, PK11SymKey *symKey)
-{
-    PK11SymKey *newSymKey = NULL;
-    SECStatus rv;
-    /* performance improvement can go here --- use a generated key at startup
-     * to generate a per token wrapping key. If it exists, use it, otherwise 
-     * do a full key exchange. */
-
-    /* find a common Key Exchange algorithm */
-    /* RSA */
-    if (PK11_DoesMechanism(symKey->slot, CKM_RSA_PKCS) && 
-				PK11_DoesMechanism(slot,CKM_RSA_PKCS)) {
-	CK_OBJECT_HANDLE pubKeyHandle = CK_INVALID_HANDLE;
-	CK_OBJECT_HANDLE privKeyHandle = CK_INVALID_HANDLE;
-	SECKEYPublicKey *pubKey = NULL;
-	SECKEYPrivateKey *privKey = NULL;
-	SECItem wrapData;
-	unsigned int     symKeyLength = PK11_GetKeyLength(symKey);
-
-	wrapData.data = NULL;
-
-	/* find RSA Public Key on target */
-	pubKeyHandle = pk11_FindRSAPubKey(slot);
-	if (pubKeyHandle != CK_INVALID_HANDLE) {
-	    privKeyHandle = PK11_MatchItem(slot,pubKeyHandle,CKO_PRIVATE_KEY);
-	}
-
-	/* if no key exists, generate a key pair */
-	if (privKeyHandle == CK_INVALID_HANDLE) {
-	    PK11RSAGenParams rsaParams;
-
-	    if (symKeyLength > 53) /* bytes */ {
-		/* we'd have to generate an RSA key pair > 512 bits long,
-		** and that's too costly.  Don't even try. 
-		*/
-		PORT_SetError( SEC_ERROR_CANNOT_MOVE_SENSITIVE_KEY );
-		goto rsa_failed;
-	    }
-	    rsaParams.keySizeInBits = 
-	        (symKeyLength > 21 || symKeyLength == 0) ? 512 : 256;
-	    rsaParams.pe  = 0x10001;
-	    privKey = PK11_GenerateKeyPair(slot,CKM_RSA_PKCS_KEY_PAIR_GEN, 
-			    &rsaParams, &pubKey,PR_FALSE,PR_TRUE,symKey->cx);
-	} else {
-	    /* if keys exist, build SECKEY data structures for them */
-	    privKey = PK11_MakePrivKey(slot,nullKey, PR_TRUE, privKeyHandle,
-					symKey->cx);
-	    if (privKey != NULL) {
-    		pubKey = PK11_ExtractPublicKey(slot, rsaKey, pubKeyHandle);
-		if (pubKey && pubKey->pkcs11Slot) {
-		    PK11_FreeSlot(pubKey->pkcs11Slot);
-		    pubKey->pkcs11Slot = NULL;
-		    pubKey->pkcs11ID = CK_INVALID_HANDLE;
-		}
-	    }
-	}
-	if (privKey == NULL) goto rsa_failed;
-	if (pubKey == NULL)  goto rsa_failed;
-
-        wrapData.len  = SECKEY_PublicKeyStrength(pubKey);
-        if (!wrapData.len) goto rsa_failed;
-        wrapData.data = PORT_Alloc(wrapData.len);
-        if (wrapData.data == NULL) goto rsa_failed;
-
-	/* now wrap the keys in and out */
-	rv = PK11_PubWrapSymKey(CKM_RSA_PKCS, pubKey, symKey, &wrapData);
-	if (rv == SECSuccess) {
-	    newSymKey = PK11_PubUnwrapSymKeyWithFlagsPerm(privKey,
-			&wrapData,type,operation,symKeyLength,flags,isPerm);
-	    /* make sure we wound up where we wanted to be! */
-	    if (newSymKey && newSymKey->slot != slot) {
-		PK11_FreeSymKey(newSymKey);
-		newSymKey = NULL;
-	    }
-	}
-rsa_failed:
-	if (wrapData.data != NULL) PORT_Free(wrapData.data);
-	if (privKey != NULL) SECKEY_DestroyPrivateKey(privKey);
-	if (pubKey != NULL) SECKEY_DestroyPublicKey(pubKey);
-
-	return  newSymKey;
-    }
-    PORT_SetError( SEC_ERROR_NO_MODULE );
-    return NULL;
-}
-