Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 289 insertions, 0 deletions

diff --git a/security/nss/lib/crmf/cmmfchal.c b/security/nss/lib/crmf/cmmfchal.c
new file mode 100644
index 0000000000..2fee983c96
--- /dev/null
+++ b/security/nss/lib/crmf/cmmfchal.c
@@ -0,0 +1,289 @@
+/* -*- Mode: C; tab-width: 8 -*-*/
+/* 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/. */
+
+#include "cmmf.h"
+#include "cmmfi.h"
+#include "sechash.h"
+#include "genname.h"
+#include "pk11func.h"
+#include "cert.h"
+#include "secitem.h"
+#include "secmod.h"
+#include "keyhi.h"
+
+static int
+cmmf_create_witness_and_challenge(PLArenaPool *poolp,
+                                  CMMFChallenge *challenge,
+                                  long inRandom,
+                                  SECItem *senderDER,
+                                  SECKEYPublicKey *inPubKey,
+                                  void *passwdArg)
+{
+    SECItem *encodedRandNum;
+    SECItem encodedRandStr = { siBuffer, NULL, 0 };
+    SECItem *dummy;
+    unsigned char *randHash, *senderHash, *encChal = NULL;
+    unsigned modulusLen = 0;
+    SECStatus rv = SECFailure;
+    CMMFRand randStr = { { siBuffer, NULL, 0 }, { siBuffer, NULL, 0 } };
+    PK11SlotInfo *slot;
+    PK11SymKey *symKey = NULL;
+    CERTSubjectPublicKeyInfo *spki = NULL;
+
+    encodedRandNum = SEC_ASN1EncodeInteger(poolp, &challenge->randomNumber,
+                                           inRandom);
+    if (!encodedRandNum) {
+        goto loser;
+    }
+    randHash = PORT_ArenaNewArray(poolp, unsigned char, SHA1_LENGTH);
+    senderHash = PORT_ArenaNewArray(poolp, unsigned char, SHA1_LENGTH);
+    if (randHash == NULL) {
+        goto loser;
+    }
+    rv = PK11_HashBuf(SEC_OID_SHA1, randHash, encodedRandNum->data,
+                      (PRUint32)encodedRandNum->len);
+    if (rv != SECSuccess) {
+        goto loser;
+    }
+    rv = PK11_HashBuf(SEC_OID_SHA1, senderHash, senderDER->data,
+                      (PRUint32)senderDER->len);
+    if (rv != SECSuccess) {
+        goto loser;
+    }
+    challenge->witness.data = randHash;
+    challenge->witness.len = SHA1_LENGTH;
+
+    randStr.integer = *encodedRandNum;
+    randStr.senderHash.data = senderHash;
+    randStr.senderHash.len = SHA1_LENGTH;
+    dummy = SEC_ASN1EncodeItem(NULL, &encodedRandStr, &randStr,
+                               CMMFRandTemplate);
+    if (dummy != &encodedRandStr) {
+        rv = SECFailure;
+        goto loser;
+    }
+    /* XXXX Now I have to encrypt encodedRandStr and stash it away. */
+    modulusLen = SECKEY_PublicKeyStrength(inPubKey);
+    encChal = PORT_ArenaNewArray(poolp, unsigned char, modulusLen);
+    if (encChal == NULL) {
+        rv = SECFailure;
+        goto loser;
+    }
+    slot = PK11_GetBestSlotWithAttributes(CKM_RSA_PKCS, CKF_WRAP, 0, passwdArg);
+    if (slot == NULL) {
+        rv = SECFailure;
+        goto loser;
+    }
+    (void)PK11_ImportPublicKey(slot, inPubKey, PR_FALSE);
+    /* In order to properly encrypt the data, we import as a symmetric
+     * key, and then wrap that key.  That in essence encrypts the data.
+     * This is the method recommended in the PK11 world in order
+     * to prevent threading issues as well as breaking any other semantics
+     * the PK11 libraries depend on.
+     */
+    symKey = PK11_ImportSymKey(slot, CKM_RSA_PKCS, PK11_OriginGenerated,
+                               CKA_VALUE, &encodedRandStr, passwdArg);
+    if (symKey == NULL) {
+        rv = SECFailure;
+        goto loser;
+    }
+    challenge->challenge.data = encChal;
+    challenge->challenge.len = modulusLen;
+    rv = PK11_PubWrapSymKey(CKM_RSA_PKCS, inPubKey, symKey,
+                            &challenge->challenge);
+    PK11_FreeSlot(slot);
+    if (rv != SECSuccess) {
+        goto loser;
+    }
+    rv = SECITEM_CopyItem(poolp, &challenge->senderDER, senderDER);
+    crmf_get_public_value(inPubKey, &challenge->key);
+/* Fall through */
+loser:
+    if (spki != NULL) {
+        SECKEY_DestroySubjectPublicKeyInfo(spki);
+    }
+    if (encodedRandStr.data != NULL) {
+        PORT_Free(encodedRandStr.data);
+    }
+    if (encodedRandNum != NULL) {
+        SECITEM_FreeItem(encodedRandNum, PR_TRUE);
+    }
+    if (symKey != NULL) {
+        PK11_FreeSymKey(symKey);
+    }
+    return rv;
+}
+
+static SECStatus
+cmmf_create_first_challenge(CMMFPOPODecKeyChallContent *challContent,
+                            long inRandom,
+                            SECItem *senderDER,
+                            SECKEYPublicKey *inPubKey,
+                            void *passwdArg)
+{
+    SECOidData *oidData;
+    CMMFChallenge *challenge;
+    SECAlgorithmID *algId;
+    PLArenaPool *poolp;
+    SECStatus rv;
+
+    oidData = SECOID_FindOIDByTag(SEC_OID_SHA1);
+    if (oidData == NULL) {
+        return SECFailure;
+    }
+    poolp = challContent->poolp;
+    challenge = PORT_ArenaZNew(poolp, CMMFChallenge);
+    if (challenge == NULL) {
+        return SECFailure;
+    }
+    algId = challenge->owf = PORT_ArenaZNew(poolp, SECAlgorithmID);
+    if (algId == NULL) {
+        return SECFailure;
+    }
+    rv = SECITEM_CopyItem(poolp, &algId->algorithm, &oidData->oid);
+    if (rv != SECSuccess) {
+        return SECFailure;
+    }
+    rv = cmmf_create_witness_and_challenge(poolp, challenge, inRandom,
+                                           senderDER, inPubKey, passwdArg);
+    challContent->challenges[0] = (rv == SECSuccess) ? challenge : NULL;
+    challContent->numChallenges++;
+    return rv;
+}
+
+CMMFPOPODecKeyChallContent *
+CMMF_CreatePOPODecKeyChallContent(void)
+{
+    PLArenaPool *poolp;
+    CMMFPOPODecKeyChallContent *challContent;
+
+    poolp = PORT_NewArena(CRMF_DEFAULT_ARENA_SIZE);
+    if (poolp == NULL) {
+        return NULL;
+    }
+    challContent = PORT_ArenaZNew(poolp, CMMFPOPODecKeyChallContent);
+    if (challContent == NULL) {
+        PORT_FreeArena(poolp, PR_FALSE);
+        return NULL;
+    }
+    challContent->poolp = poolp;
+    return challContent;
+}
+
+SECStatus
+CMMF_POPODecKeyChallContentSetNextChallenge(CMMFPOPODecKeyChallContent *inDecKeyChall,
+                                            long inRandom,
+                                            CERTGeneralName *inSender,
+                                            SECKEYPublicKey *inPubKey,
+                                            void *passwdArg)
+{
+    CMMFChallenge *curChallenge;
+    PLArenaPool *genNamePool = NULL, *poolp;
+    SECStatus rv;
+    SECItem *genNameDER;
+    void *mark;
+
+    PORT_Assert(inDecKeyChall != NULL &&
+                inSender != NULL &&
+                inPubKey != NULL);
+
+    if (inDecKeyChall == NULL ||
+        inSender == NULL || inPubKey == NULL) {
+        return SECFailure;
+    }
+    poolp = inDecKeyChall->poolp;
+    mark = PORT_ArenaMark(poolp);
+
+    genNamePool = PORT_NewArena(CRMF_DEFAULT_ARENA_SIZE);
+    genNameDER = CERT_EncodeGeneralName(inSender, NULL, genNamePool);
+    if (genNameDER == NULL) {
+        rv = SECFailure;
+        goto loser;
+    }
+    if (inDecKeyChall->challenges == NULL) {
+        inDecKeyChall->challenges =
+            PORT_ArenaZNewArray(poolp, CMMFChallenge *, (CMMF_MAX_CHALLENGES + 1));
+        inDecKeyChall->numAllocated = CMMF_MAX_CHALLENGES;
+    }
+
+    if (inDecKeyChall->numChallenges >= inDecKeyChall->numAllocated) {
+        rv = SECFailure;
+        goto loser;
+    }
+
+    if (inDecKeyChall->numChallenges == 0) {
+        rv = cmmf_create_first_challenge(inDecKeyChall, inRandom,
+                                         genNameDER, inPubKey, passwdArg);
+    } else {
+        curChallenge = PORT_ArenaZNew(poolp, CMMFChallenge);
+        if (curChallenge == NULL) {
+            rv = SECFailure;
+            goto loser;
+        }
+        rv = cmmf_create_witness_and_challenge(poolp, curChallenge, inRandom,
+                                               genNameDER, inPubKey,
+                                               passwdArg);
+        if (rv == SECSuccess) {
+            inDecKeyChall->challenges[inDecKeyChall->numChallenges] =
+                curChallenge;
+            inDecKeyChall->numChallenges++;
+        }
+    }
+    if (rv != SECSuccess) {
+        goto loser;
+    }
+    PORT_ArenaUnmark(poolp, mark);
+    PORT_FreeArena(genNamePool, PR_FALSE);
+    return SECSuccess;
+
+loser:
+    PORT_ArenaRelease(poolp, mark);
+    if (genNamePool != NULL) {
+        PORT_FreeArena(genNamePool, PR_FALSE);
+    }
+    PORT_Assert(rv != SECSuccess);
+    return rv;
+}
+
+SECStatus
+CMMF_DestroyPOPODecKeyRespContent(CMMFPOPODecKeyRespContent *inDecKeyResp)
+{
+    PORT_Assert(inDecKeyResp != NULL);
+    if (inDecKeyResp != NULL && inDecKeyResp->poolp != NULL) {
+        PORT_FreeArena(inDecKeyResp->poolp, PR_FALSE);
+    }
+    return SECSuccess;
+}
+
+int
+CMMF_POPODecKeyRespContentGetNumResponses(CMMFPOPODecKeyRespContent *inRespCont)
+{
+    int numResponses = 0;
+
+    PORT_Assert(inRespCont != NULL);
+    if (inRespCont == NULL) {
+        return 0;
+    }
+
+    while (inRespCont->responses[numResponses] != NULL) {
+        numResponses++;
+    }
+    return numResponses;
+}
+
+SECStatus
+CMMF_POPODecKeyRespContentGetResponse(CMMFPOPODecKeyRespContent *inRespCont,
+                                      int inIndex,
+                                      long *inDest)
+{
+    PORT_Assert(inRespCont != NULL);
+
+    if (inRespCont == NULL || inIndex < 0 ||
+        inIndex >= CMMF_POPODecKeyRespContentGetNumResponses(inRespCont)) {
+        return SECFailure;
+    }
+    *inDest = DER_GetInteger(inRespCont->responses[inIndex]);
+    return (*inDest == -1) ? SECFailure : SECSuccess;
+}