Delete bundled copy of NSS and replace with README.

nss/lib/softoken/jpakesftk.c

Index: nss/lib/softoken/jpakesftk.c
diff --git a/nss/lib/softoken/jpakesftk.c b/nss/lib/softoken/jpakesftk.c
deleted file mode 100644
index 4f91c7283746b149a7868d985211893623ae67f9..0000000000000000000000000000000000000000
--- a/nss/lib/softoken/jpakesftk.c
+++ /dev/null
@@ -1,350 +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/. */
-
-#include "seccomon.h"
-#include "secerr.h"
-#include "blapi.h"
-#include "pkcs11i.h"
-#include "softoken.h"
-
-static CK_RV
-jpake_mapStatus(SECStatus rv, CK_RV invalidArgsMapping) {
-    int err;
-    if (rv == SECSuccess)
-        return CKR_OK;
-    err = PORT_GetError();
-    switch (err) {
-        /* XXX: SEC_ERROR_INVALID_ARGS might be caused by invalid template
-            parameters. */
-        case SEC_ERROR_INVALID_ARGS:  return invalidArgsMapping;
-        case SEC_ERROR_BAD_SIGNATURE: return CKR_SIGNATURE_INVALID;
-        case SEC_ERROR_NO_MEMORY:     return CKR_HOST_MEMORY;
-    }
-    return CKR_FUNCTION_FAILED;
-}
-
-/* If key is not NULL then the gx value will be stored as an attribute with
-   the type given by the gxAttrType parameter. */
-static CK_RV
-jpake_Sign(PLArenaPool * arena, const PQGParams * pqg, HASH_HashType hashType,
-           const SECItem * signerID, const SECItem * x,
-           CK_NSS_JPAKEPublicValue * out)
-{
-    SECItem gx, gv, r;
-    CK_RV crv;
-
-    PORT_Assert(arena != NULL);
-    
-    gx.data = NULL;
-    gv.data = NULL;
-    r.data = NULL;
-    crv = jpake_mapStatus(JPAKE_Sign(arena, pqg, hashType, signerID, x, NULL,
-                                     NULL, &gx, &gv, &r),
-                          CKR_MECHANISM_PARAM_INVALID);
-    if (crv == CKR_OK) {
-        if ((out->pGX != NULL && out->ulGXLen >= gx.len) ||
-            (out->pGV != NULL && out->ulGVLen >= gv.len) ||
-            (out->pR  != NULL && out->ulRLen >= r.len)) {
-            PORT_Memcpy(out->pGX, gx.data, gx.len); 
-            PORT_Memcpy(out->pGV, gv.data, gv.len); 
-            PORT_Memcpy(out->pR, r.data, r.len);
-            out->ulGXLen = gx.len;
-            out->ulGVLen = gv.len;
-            out->ulRLen = r.len;
-        } else {
-            crv = CKR_MECHANISM_PARAM_INVALID;
-        }
-    } 
-    return crv;
-}
-
-static CK_RV
-jpake_Verify(PLArenaPool * arena, const PQGParams * pqg,
-             HASH_HashType hashType, const SECItem * signerID,
-             const CK_BYTE * peerIDData, CK_ULONG peerIDLen,
-             const CK_NSS_JPAKEPublicValue * publicValueIn)
-{
-    SECItem peerID, gx, gv, r;
-    peerID.data = (unsigned char *) peerIDData; peerID.len = peerIDLen;
-    gx.data = publicValueIn->pGX; gx.len = publicValueIn->ulGXLen;
-    gv.data = publicValueIn->pGV; gv.len = publicValueIn->ulGVLen;
-    r.data = publicValueIn->pR;   r.len = publicValueIn->ulRLen;
-    return jpake_mapStatus(JPAKE_Verify(arena, pqg, hashType, signerID, &peerID,
-                                        &gx, &gv, &r),
-                           CKR_MECHANISM_PARAM_INVALID);
-}
-
-#define NUM_ELEM(x) (sizeof (x) / sizeof (x)[0])
-
-/* If the template has the key type set, ensure that it was set to the correct
- * value. If the template did not have the key type set, set it to the
- * correct value.
- */
-static CK_RV
-jpake_enforceKeyType(SFTKObject * key, CK_KEY_TYPE keyType) {
-    CK_RV crv;
-    SFTKAttribute * keyTypeAttr = sftk_FindAttribute(key, CKA_KEY_TYPE);
-    if (keyTypeAttr != NULL) {
-        crv = *(CK_KEY_TYPE *)keyTypeAttr->attrib.pValue == keyType
-            ? CKR_OK
-            : CKR_TEMPLATE_INCONSISTENT;
-        sftk_FreeAttribute(keyTypeAttr);
-    } else {
-        crv = sftk_forceAttribute(key, CKA_KEY_TYPE, &keyType, sizeof keyType);
-    }
-    return crv;
-}
-
-static CK_RV
-jpake_MultipleSecItem2Attribute(SFTKObject * key, const SFTKItemTemplate * attrs,
-                                size_t attrsCount)
-{
-    size_t i;
-    
-    for (i = 0; i < attrsCount; ++i) {
-        CK_RV crv = sftk_forceAttribute(key, attrs[i].type, attrs[i].item->data,
-                                        attrs[i].item->len);
-        if (crv != CKR_OK)
-            return crv;
-    }
-    return CKR_OK;
-}
-
-CK_RV
-jpake_Round1(HASH_HashType hashType, CK_NSS_JPAKERound1Params * params,
-             SFTKObject * key)
-{
-    CK_RV crv;
-    PQGParams pqg;
-    PLArenaPool * arena;
-    SECItem signerID;
-    SFTKItemTemplate templateAttrs[] = {
-        { CKA_PRIME, &pqg.prime },
-        { CKA_SUBPRIME, &pqg.subPrime },
-        { CKA_BASE, &pqg.base },
-        { CKA_NSS_JPAKE_SIGNERID, &signerID }
-    };
-    SECItem x2, gx1, gx2;
-    const SFTKItemTemplate generatedAttrs[] = {
-        { CKA_NSS_JPAKE_X2,  &x2  },
-        { CKA_NSS_JPAKE_GX1, &gx1 },
-        { CKA_NSS_JPAKE_GX2, &gx2 },
-    };
-    SECItem x1;
-
-    PORT_Assert(params != NULL);
-    PORT_Assert(key != NULL);
-
-    arena = PORT_NewArena(NSS_SOFTOKEN_DEFAULT_CHUNKSIZE);
-    if (arena == NULL)
-        crv = CKR_HOST_MEMORY;
-
-    crv = sftk_MultipleAttribute2SecItem(arena, key, templateAttrs,
-                                         NUM_ELEM(templateAttrs));
-
-    if (crv == CKR_OK && (signerID.data == NULL || signerID.len == 0))
-        crv = CKR_TEMPLATE_INCOMPLETE;
-
-    /* generate x1, g^x1 and the proof of knowledge of x1 */
-    if (crv == CKR_OK) {
-        x1.data = NULL;
-        crv = jpake_mapStatus(DSA_NewRandom(arena, &pqg.subPrime, &x1),
-                              CKR_TEMPLATE_INCONSISTENT);
-    }
-    if (crv == CKR_OK)
-        crv = jpake_Sign(arena, &pqg, hashType, &signerID, &x1, &params->gx1);
-
-    /* generate x2, g^x2 and the proof of knowledge of x2 */
-    if (crv == CKR_OK) {
-        x2.data = NULL;
-        crv = jpake_mapStatus(DSA_NewRandom(arena, &pqg.subPrime, &x2),
-                              CKR_TEMPLATE_INCONSISTENT);
-    }
-    if (crv == CKR_OK)
-        crv = jpake_Sign(arena, &pqg, hashType, &signerID, &x2, &params->gx2);
-
-    /* Save the values needed for round 2 into CKA_VALUE */
-    if (crv == CKR_OK) {
-        gx1.data = params->gx1.pGX;
-        gx1.len = params->gx1.ulGXLen;
-        gx2.data = params->gx2.pGX;
-        gx2.len = params->gx2.ulGXLen;
-        crv = jpake_MultipleSecItem2Attribute(key, generatedAttrs, 
-                                              NUM_ELEM(generatedAttrs));
-    }
-
-    PORT_FreeArena(arena, PR_TRUE);
-    return crv;
-}
-
-CK_RV
-jpake_Round2(HASH_HashType hashType, CK_NSS_JPAKERound2Params * params,
-             SFTKObject * sourceKey, SFTKObject * key)
-{
-    CK_RV crv;
-    PLArenaPool * arena;
-    PQGParams pqg;
-    SECItem signerID, x2, gx1, gx2;
-    SFTKItemTemplate sourceAttrs[] = { 
-        { CKA_PRIME, &pqg.prime },
-        { CKA_SUBPRIME, &pqg.subPrime },
-        { CKA_BASE, &pqg.base },
-        { CKA_NSS_JPAKE_SIGNERID, &signerID },
-        { CKA_NSS_JPAKE_X2,  &x2 },
-        { CKA_NSS_JPAKE_GX1, &gx1 },
-        { CKA_NSS_JPAKE_GX2, &gx2 },
-    };
-    SECItem x2s, gx3, gx4;
-    const SFTKItemTemplate copiedAndGeneratedAttrs[] = {
-        { CKA_NSS_JPAKE_SIGNERID, &signerID },
-        { CKA_PRIME, &pqg.prime },
-        { CKA_SUBPRIME, &pqg.subPrime },
-        { CKA_NSS_JPAKE_X2,  &x2  },
-        { CKA_NSS_JPAKE_X2S, &x2s },
-        { CKA_NSS_JPAKE_GX1, &gx1 },
-        { CKA_NSS_JPAKE_GX2, &gx2 },
-        { CKA_NSS_JPAKE_GX3, &gx3 },
-        { CKA_NSS_JPAKE_GX4, &gx4 }
-    };
-    SECItem peerID;
-
-    PORT_Assert(params != NULL);
-    PORT_Assert(sourceKey != NULL);
-    PORT_Assert(key != NULL);
-
-    arena = PORT_NewArena(NSS_SOFTOKEN_DEFAULT_CHUNKSIZE);
-    if (arena == NULL)
-        crv = CKR_HOST_MEMORY;
-
-    /* TODO: check CKK_NSS_JPAKE_ROUND1 */
-
-    crv = sftk_MultipleAttribute2SecItem(arena, sourceKey, sourceAttrs,
-                                         NUM_ELEM(sourceAttrs));
-
-    /* Get the peer's ID out of the template and sanity-check it. */
-    if (crv == CKR_OK)
-        crv = sftk_Attribute2SecItem(arena, &peerID, key,
-                                     CKA_NSS_JPAKE_PEERID);
-    if (crv == CKR_OK && (peerID.data == NULL || peerID.len == 0))
-        crv = CKR_TEMPLATE_INCOMPLETE;
-    if (crv == CKR_OK && SECITEM_CompareItem(&signerID, &peerID) == SECEqual)
-        crv = CKR_TEMPLATE_INCONSISTENT;
-
-    /* Verify zero-knowledge proofs for g^x3 and g^x4 */
-    if (crv == CKR_OK)
-        crv = jpake_Verify(arena, &pqg, hashType, &signerID,
-                           peerID.data, peerID.len, &params->gx3);
-    if (crv == CKR_OK)
-        crv = jpake_Verify(arena, &pqg, hashType, &signerID,
-                           peerID.data, peerID.len, &params->gx4);
-
-    /* Calculate the base and x2s for A=base^x2s */
-    if (crv == CKR_OK) {
-        SECItem s;
-        s.data = params->pSharedKey;
-        s.len = params->ulSharedKeyLen;
-        gx3.data = params->gx3.pGX;
-        gx3.len = params->gx3.ulGXLen;
-        gx4.data = params->gx4.pGX;
-        gx4.len = params->gx4.ulGXLen;
-        pqg.base.data = NULL;
-        x2s.data = NULL;
-        crv = jpake_mapStatus(JPAKE_Round2(arena, &pqg.prime, &pqg.subPrime,
-                                           &gx1, &gx3, &gx4, &pqg.base, 
-                                           &x2, &s, &x2s),
-                              CKR_MECHANISM_PARAM_INVALID);
-    }
-
-    /* Generate A=base^x2s and its zero-knowledge proof. */
-    if (crv == CKR_OK)
-        crv = jpake_Sign(arena, &pqg, hashType, &signerID, &x2s, &params->A);
-
-    /* Copy P and Q from the ROUND1 key to the ROUND2 key and save the values
-       needed for the final key material derivation into CKA_VALUE. */
-    if (crv == CKR_OK)
-        crv = sftk_forceAttribute(key, CKA_PRIME, pqg.prime.data,
-                                  pqg.prime.len);
-    if (crv == CKR_OK)
-        crv = sftk_forceAttribute(key, CKA_SUBPRIME, pqg.subPrime.data,
-                                  pqg.subPrime.len);
-    if (crv == CKR_OK) {
-        crv = jpake_MultipleSecItem2Attribute(key, copiedAndGeneratedAttrs,
-                                              NUM_ELEM(copiedAndGeneratedAttrs));
-    }
-
-    if (crv == CKR_OK)
-        crv = jpake_enforceKeyType(key, CKK_NSS_JPAKE_ROUND2);
-
-    PORT_FreeArena(arena, PR_TRUE);
-    return crv;
-}
-
-CK_RV
-jpake_Final(HASH_HashType hashType, const CK_NSS_JPAKEFinalParams * param,
-            SFTKObject * sourceKey, SFTKObject * key)
-{
-    PLArenaPool * arena;
-    SECItem K;
-    PQGParams pqg;
-    CK_RV crv;
-    SECItem peerID, signerID, x2s, x2, gx1, gx2, gx3, gx4;
-    SFTKItemTemplate sourceAttrs[] = {
-        { CKA_NSS_JPAKE_PEERID, &peerID },
-        { CKA_NSS_JPAKE_SIGNERID, &signerID },
-        { CKA_PRIME, &pqg.prime },
-        { CKA_SUBPRIME, &pqg.subPrime },
-        { CKA_NSS_JPAKE_X2,  &x2  },
-        { CKA_NSS_JPAKE_X2S, &x2s },
-        { CKA_NSS_JPAKE_GX1, &gx1 },
-        { CKA_NSS_JPAKE_GX2, &gx2 },
-        { CKA_NSS_JPAKE_GX3, &gx3 },
-        { CKA_NSS_JPAKE_GX4, &gx4 }
-    };
-
-    PORT_Assert(param != NULL);
-    PORT_Assert(sourceKey != NULL);
-    PORT_Assert(key != NULL);
-
-    arena = PORT_NewArena(NSS_SOFTOKEN_DEFAULT_CHUNKSIZE);
-    if (arena == NULL)
-        crv = CKR_HOST_MEMORY;
-    
-    /* TODO: verify key type CKK_NSS_JPAKE_ROUND2 */
-
-    crv = sftk_MultipleAttribute2SecItem(arena, sourceKey, sourceAttrs,
-                                         NUM_ELEM(sourceAttrs));
-
-    /* Calculate base for B=base^x4s */
-    if (crv == CKR_OK) {
-        pqg.base.data = NULL;
-        crv = jpake_mapStatus(JPAKE_Round2(arena, &pqg.prime, &pqg.subPrime,
-                                           &gx1, &gx2, &gx3, &pqg.base,
-                                           NULL, NULL, NULL),
-                              CKR_MECHANISM_PARAM_INVALID);
-    }
-
-    /* Verify zero-knowledge proof for B */
-    if (crv == CKR_OK)
-        crv = jpake_Verify(arena, &pqg, hashType, &signerID,
-                           peerID.data, peerID.len, &param->B);
-    if (crv == CKR_OK) {
-        SECItem B;
-        B.data = param->B.pGX;
-        B.len = param->B.ulGXLen;
-        K.data = NULL;
-        crv = jpake_mapStatus(JPAKE_Final(arena, &pqg.prime, &pqg.subPrime,
-                                          &x2, &gx4, &x2s, &B, &K),
-                              CKR_MECHANISM_PARAM_INVALID);
-    }
-
-    /* Save key material into CKA_VALUE. */
-    if (crv == CKR_OK)
-        crv = sftk_forceAttribute(key, CKA_VALUE, K.data, K.len);
-
-    if (crv == CKR_OK)
-        crv = jpake_enforceKeyType(key, CKK_GENERIC_SECRET);
-
-    PORT_FreeArena(arena, PR_TRUE);
-    return crv;
-}