Example usage for org.bouncycastle.openpgp PGPSecretKeyRing getSecretKey

List of usage examples for org.bouncycastle.openpgp PGPSecretKeyRing getSecretKey

Introduction

In this page you can find the example usage for org.bouncycastle.openpgp PGPSecretKeyRing getSecretKey.

Prototype

public PGPSecretKey getSecretKey(byte[] fingerprint) 

Source Link

Document

Return the secret key associated with the passed in fingerprint if it is present.

Usage

From source file:org.apache.nifi.processors.standard.util.crypto.OpenPGPKeyBasedEncryptor.java

License:Apache License

private static PGPPrivateKey getDecryptedPrivateKey(String provider, String secretKeyringFile, long keyId,
        char[] passphrase) throws IOException, PGPException {
    // TODO: Reevaluate the mechanism for executing this task as performance can suffer here and only a specific key needs to be validated

    // Read in from the secret keyring file
    try (FileInputStream keyInputStream = new FileInputStream(secretKeyringFile)) {

        // Form the SecretKeyRing collection (1.53 way with fingerprint calculator)
        PGPSecretKeyRingCollection pgpSecretKeyRingCollection = new PGPSecretKeyRingCollection(keyInputStream,
                new BcKeyFingerprintCalculator());

        // The decryptor is identical for all keys
        final PBESecretKeyDecryptor decryptor = new JcePBESecretKeyDecryptorBuilder().setProvider(provider)
                .build(passphrase);//from   w  w w .  ja  v  a2s . co  m

        // Iterate over all secret keyrings
        Iterator<PGPSecretKeyRing> keyringIterator = pgpSecretKeyRingCollection.getKeyRings();
        PGPSecretKeyRing keyRing;
        PGPSecretKey secretKey;

        while (keyringIterator.hasNext()) {
            keyRing = keyringIterator.next();

            // If keyId exists, get a specific secret key; else, iterate over all
            if (keyId != 0) {
                secretKey = keyRing.getSecretKey(keyId);
                try {
                    return secretKey.extractPrivateKey(decryptor);
                } catch (Exception e) {
                    throw new PGPException("No private key available using passphrase", e);
                }
            } else {
                Iterator<PGPSecretKey> keyIterator = keyRing.getSecretKeys();

                while (keyIterator.hasNext()) {
                    secretKey = keyIterator.next();
                    try {
                        return secretKey.extractPrivateKey(decryptor);
                    } catch (Exception e) {
                        // TODO: Log (expected) failures?
                    }
                }
            }
        }
    }

    // If this point is reached, no private key could be extracted with the given passphrase
    throw new PGPException("No private key available using passphrase");
}

From source file:org.sufficientlysecure.keychain.pgp.CanonicalizedPublicKeyRing.java

License:Open Source License

/** Create a dummy secret ring from this key */
public UncachedKeyRing createDivertSecretRing(byte[] cardAid, long[] subKeyIds) {
    PGPSecretKeyRing secRing = PGPSecretKeyRing.constructDummyFromPublic(getRing(), cardAid);

    if (subKeyIds == null) {
        return new UncachedKeyRing(secRing);
    }//from   w w w  .j a va2  s. com

    // if only specific subkeys should be promoted, construct a
    // stripped dummy, then move divert-to-card keys over
    PGPSecretKeyRing newRing = PGPSecretKeyRing.constructDummyFromPublic(getRing());
    for (long subKeyId : subKeyIds) {
        PGPSecretKey key = secRing.getSecretKey(subKeyId);
        if (key != null) {
            newRing = PGPSecretKeyRing.insertSecretKey(newRing, key);
        }
    }

    return new UncachedKeyRing(newRing);

}

From source file:org.sufficientlysecure.keychain.pgp.PgpKeyOperation.java

License:Open Source License

private PgpEditKeyResult internal(PGPSecretKeyRing sKR, PGPSecretKey masterSecretKey, int masterKeyFlags,
        long masterKeyExpiry, CryptoInputParcel cryptoInput, SaveKeyringParcel saveParcel, OperationLog log,
        int indent) {

    SecurityTokenSignOperationsBuilder nfcSignOps = new SecurityTokenSignOperationsBuilder(
            cryptoInput.getSignatureTime(), masterSecretKey.getKeyID(), masterSecretKey.getKeyID());
    SecurityTokenKeyToCardOperationsBuilder nfcKeyToCardOps = new SecurityTokenKeyToCardOperationsBuilder(
            masterSecretKey.getKeyID());

    progress(R.string.progress_modify, 0);

    PGPPublicKey masterPublicKey = masterSecretKey.getPublicKey();

    PGPPrivateKey masterPrivateKey;/*from w  w  w.j  a  v a  2  s  .  co  m*/

    if (isDivertToCard(masterSecretKey)) {
        masterPrivateKey = null;
        log.add(LogType.MSG_MF_DIVERT, indent);
    } else {

        // 1. Unlock private key
        progress(R.string.progress_modify_unlock, 10);
        log.add(LogType.MSG_MF_UNLOCK, indent);
        {
            try {
                PBESecretKeyDecryptor keyDecryptor = new JcePBESecretKeyDecryptorBuilder()
                        .setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME)
                        .build(cryptoInput.getPassphrase().getCharArray());
                masterPrivateKey = masterSecretKey.extractPrivateKey(keyDecryptor);
            } catch (PGPException e) {
                log.add(LogType.MSG_MF_UNLOCK_ERROR, indent + 1);
                return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
            }
        }
    }

    try {

        // Check if we were cancelled
        if (checkCancelled()) {
            log.add(LogType.MSG_OPERATION_CANCELLED, indent);
            return new PgpEditKeyResult(PgpEditKeyResult.RESULT_CANCELLED, log, null);
        }

        { // work on master secret key

            PGPPublicKey modifiedPublicKey = masterPublicKey;

            // 2a. Add certificates for new user ids
            subProgressPush(15, 23);
            for (int i = 0; i < saveParcel.mAddUserIds.size(); i++) {

                progress(R.string.progress_modify_adduid, (i - 1) * (100 / saveParcel.mAddUserIds.size()));
                String userId = saveParcel.mAddUserIds.get(i);
                log.add(LogType.MSG_MF_UID_ADD, indent, userId);

                if ("".equals(userId)) {
                    log.add(LogType.MSG_MF_UID_ERROR_EMPTY, indent + 1);
                    return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                }

                // this operation supersedes all previous binding and revocation certificates,
                // so remove those to retain assertions from canonicalization for later operations
                @SuppressWarnings("unchecked")
                Iterator<PGPSignature> it = modifiedPublicKey.getSignaturesForID(userId);
                if (it != null) {
                    for (PGPSignature cert : new IterableIterator<>(it)) {
                        if (cert.getKeyID() != masterPublicKey.getKeyID()) {
                            // foreign certificate?! error error error
                            log.add(LogType.MSG_MF_ERROR_INTEGRITY, indent);
                            return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                        }
                        if (cert.getSignatureType() == PGPSignature.CERTIFICATION_REVOCATION
                                || cert.getSignatureType() == PGPSignature.NO_CERTIFICATION
                                || cert.getSignatureType() == PGPSignature.CASUAL_CERTIFICATION
                                || cert.getSignatureType() == PGPSignature.POSITIVE_CERTIFICATION
                                || cert.getSignatureType() == PGPSignature.DEFAULT_CERTIFICATION) {
                            modifiedPublicKey = PGPPublicKey.removeCertification(modifiedPublicKey, userId,
                                    cert);
                        }
                    }
                }

                // if it's supposed to be primary, we can do that here as well
                boolean isPrimary = saveParcel.mChangePrimaryUserId != null
                        && userId.equals(saveParcel.mChangePrimaryUserId);
                // generate and add new certificate
                try {
                    PGPSignature cert = generateUserIdSignature(
                            getSignatureGenerator(masterSecretKey, cryptoInput), cryptoInput.getSignatureTime(),
                            masterPrivateKey, masterPublicKey, userId, isPrimary, masterKeyFlags,
                            masterKeyExpiry);
                    modifiedPublicKey = PGPPublicKey.addCertification(modifiedPublicKey, userId, cert);
                } catch (NfcInteractionNeeded e) {
                    nfcSignOps.addHash(e.hashToSign, e.hashAlgo);
                }
            }
            subProgressPop();

            // 2b. Add certificates for new user ids
            subProgressPush(23, 32);
            for (int i = 0; i < saveParcel.mAddUserAttribute.size(); i++) {

                progress(R.string.progress_modify_adduat,
                        (i - 1) * (100 / saveParcel.mAddUserAttribute.size()));
                WrappedUserAttribute attribute = saveParcel.mAddUserAttribute.get(i);

                switch (attribute.getType()) {
                // the 'none' type must not succeed
                case WrappedUserAttribute.UAT_NONE:
                    log.add(LogType.MSG_MF_UAT_ERROR_EMPTY, indent);
                    return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                case WrappedUserAttribute.UAT_IMAGE:
                    log.add(LogType.MSG_MF_UAT_ADD_IMAGE, indent);
                    break;
                default:
                    log.add(LogType.MSG_MF_UAT_ADD_UNKNOWN, indent);
                    break;
                }

                PGPUserAttributeSubpacketVector vector = attribute.getVector();

                // generate and add new certificate
                try {
                    PGPSignature cert = generateUserAttributeSignature(
                            getSignatureGenerator(masterSecretKey, cryptoInput), cryptoInput.getSignatureTime(),
                            masterPrivateKey, masterPublicKey, vector, masterKeyFlags, masterKeyExpiry);
                    modifiedPublicKey = PGPPublicKey.addCertification(modifiedPublicKey, vector, cert);
                } catch (NfcInteractionNeeded e) {
                    nfcSignOps.addHash(e.hashToSign, e.hashAlgo);
                }
            }
            subProgressPop();

            // 2c. Add revocations for revoked user ids
            subProgressPush(32, 40);
            for (int i = 0; i < saveParcel.mRevokeUserIds.size(); i++) {

                progress(R.string.progress_modify_revokeuid,
                        (i - 1) * (100 / saveParcel.mRevokeUserIds.size()));
                String userId = saveParcel.mRevokeUserIds.get(i);
                log.add(LogType.MSG_MF_UID_REVOKE, indent, userId);

                // Make sure the user id exists (yes these are 10 LoC in Java!)
                boolean exists = false;
                //noinspection unchecked
                for (String uid : new IterableIterator<String>(modifiedPublicKey.getUserIDs())) {
                    if (userId.equals(uid)) {
                        exists = true;
                        break;
                    }
                }
                if (!exists) {
                    log.add(LogType.MSG_MF_ERROR_NOEXIST_REVOKE, indent);
                    return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                }

                // a duplicate revocation will be removed during canonicalization, so no need to
                // take care of that here.
                try {
                    PGPSignature cert = generateRevocationSignature(
                            getSignatureGenerator(masterSecretKey, cryptoInput), cryptoInput.getSignatureTime(),
                            masterPrivateKey, masterPublicKey, userId);
                    modifiedPublicKey = PGPPublicKey.addCertification(modifiedPublicKey, userId, cert);
                } catch (NfcInteractionNeeded e) {
                    nfcSignOps.addHash(e.hashToSign, e.hashAlgo);
                }
            }
            subProgressPop();

            // 3. If primary user id changed, generate new certificates for both old and new
            if (saveParcel.mChangePrimaryUserId != null) {
                progress(R.string.progress_modify_primaryuid, 40);

                // keep track if we actually changed one
                boolean ok = false;
                log.add(LogType.MSG_MF_UID_PRIMARY, indent, saveParcel.mChangePrimaryUserId);
                indent += 1;

                // we work on the modifiedPublicKey here, to respect new or newly revoked uids
                // noinspection unchecked
                for (String userId : new IterableIterator<String>(modifiedPublicKey.getUserIDs())) {
                    boolean isRevoked = false;
                    PGPSignature currentCert = null;
                    // noinspection unchecked
                    for (PGPSignature cert : new IterableIterator<PGPSignature>(
                            modifiedPublicKey.getSignaturesForID(userId))) {
                        if (cert.getKeyID() != masterPublicKey.getKeyID()) {
                            // foreign certificate?! error error error
                            log.add(LogType.MSG_MF_ERROR_INTEGRITY, indent);
                            return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                        }
                        // we know from canonicalization that if there is any revocation here, it
                        // is valid and not superseded by a newer certification.
                        if (cert.getSignatureType() == PGPSignature.CERTIFICATION_REVOCATION) {
                            isRevoked = true;
                            continue;
                        }
                        // we know from canonicalization that there is only one binding
                        // certification here, so we can just work with the first one.
                        if (cert.getSignatureType() == PGPSignature.NO_CERTIFICATION
                                || cert.getSignatureType() == PGPSignature.CASUAL_CERTIFICATION
                                || cert.getSignatureType() == PGPSignature.POSITIVE_CERTIFICATION
                                || cert.getSignatureType() == PGPSignature.DEFAULT_CERTIFICATION) {
                            currentCert = cert;
                        }
                    }

                    if (currentCert == null) {
                        // no certificate found?! error error error
                        log.add(LogType.MSG_MF_ERROR_INTEGRITY, indent);
                        return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                    }

                    // we definitely should not update certifications of revoked keys, so just leave it.
                    if (isRevoked) {
                        // revoked user ids cannot be primary!
                        if (userId.equals(saveParcel.mChangePrimaryUserId)) {
                            log.add(LogType.MSG_MF_ERROR_REVOKED_PRIMARY, indent);
                            return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                        }
                        continue;
                    }

                    // if this is~ the/a primary user id
                    if (currentCert.getHashedSubPackets() != null
                            && currentCert.getHashedSubPackets().isPrimaryUserID()) {
                        // if it's the one we want, just leave it as is
                        if (userId.equals(saveParcel.mChangePrimaryUserId)) {
                            ok = true;
                            continue;
                        }
                        // otherwise, generate new non-primary certification
                        log.add(LogType.MSG_MF_PRIMARY_REPLACE_OLD, indent);
                        modifiedPublicKey = PGPPublicKey.removeCertification(modifiedPublicKey, userId,
                                currentCert);
                        try {
                            PGPSignature newCert = generateUserIdSignature(
                                    getSignatureGenerator(masterSecretKey, cryptoInput),
                                    cryptoInput.getSignatureTime(), masterPrivateKey, masterPublicKey, userId,
                                    false, masterKeyFlags, masterKeyExpiry);
                            modifiedPublicKey = PGPPublicKey.addCertification(modifiedPublicKey, userId,
                                    newCert);
                        } catch (NfcInteractionNeeded e) {
                            nfcSignOps.addHash(e.hashToSign, e.hashAlgo);
                        }

                        continue;
                    }

                    // if we are here, this is not currently a primary user id

                    // if it should be
                    if (userId.equals(saveParcel.mChangePrimaryUserId)) {
                        // add shiny new primary user id certificate
                        log.add(LogType.MSG_MF_PRIMARY_NEW, indent);
                        modifiedPublicKey = PGPPublicKey.removeCertification(modifiedPublicKey, userId,
                                currentCert);
                        try {
                            PGPSignature newCert = generateUserIdSignature(
                                    getSignatureGenerator(masterSecretKey, cryptoInput),
                                    cryptoInput.getSignatureTime(), masterPrivateKey, masterPublicKey, userId,
                                    true, masterKeyFlags, masterKeyExpiry);
                            modifiedPublicKey = PGPPublicKey.addCertification(modifiedPublicKey, userId,
                                    newCert);
                        } catch (NfcInteractionNeeded e) {
                            nfcSignOps.addHash(e.hashToSign, e.hashAlgo);
                        }
                        ok = true;
                    }

                    // user id is not primary and is not supposed to be - nothing to do here.

                }

                indent -= 1;

                if (!ok) {
                    log.add(LogType.MSG_MF_ERROR_NOEXIST_PRIMARY, indent);
                    return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                }
            }

            // Update the secret key ring
            if (modifiedPublicKey != masterPublicKey) {
                masterSecretKey = PGPSecretKey.replacePublicKey(masterSecretKey, modifiedPublicKey);
                masterPublicKey = modifiedPublicKey;
                sKR = PGPSecretKeyRing.insertSecretKey(sKR, masterSecretKey);
            }

        }

        // Check if we were cancelled - again
        if (checkCancelled()) {
            log.add(LogType.MSG_OPERATION_CANCELLED, indent);
            return new PgpEditKeyResult(PgpEditKeyResult.RESULT_CANCELLED, log, null);
        }

        // 4a. For each subkey change, generate new subkey binding certificate
        subProgressPush(50, 60);
        for (int i = 0; i < saveParcel.mChangeSubKeys.size(); i++) {

            progress(R.string.progress_modify_subkeychange, (i - 1) * (100 / saveParcel.mChangeSubKeys.size()));
            SaveKeyringParcel.SubkeyChange change = saveParcel.mChangeSubKeys.get(i);
            log.add(LogType.MSG_MF_SUBKEY_CHANGE, indent, KeyFormattingUtils.convertKeyIdToHex(change.mKeyId));

            PGPSecretKey sKey = sKR.getSecretKey(change.mKeyId);
            if (sKey == null) {
                log.add(LogType.MSG_MF_ERROR_SUBKEY_MISSING, indent + 1,
                        KeyFormattingUtils.convertKeyIdToHex(change.mKeyId));
                return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
            }

            if (change.mDummyStrip) {
                // IT'S DANGEROUS~
                // no really, it is. this operation irrevocably removes the private key data from the key
                sKey = PGPSecretKey.constructGnuDummyKey(sKey.getPublicKey());
                sKR = PGPSecretKeyRing.insertSecretKey(sKR, sKey);
            } else if (change.mMoveKeyToSecurityToken) {
                if (checkSecurityTokenCompatibility(sKey, log, indent + 1)) {
                    log.add(LogType.MSG_MF_KEYTOCARD_START, indent + 1,
                            KeyFormattingUtils.convertKeyIdToHex(change.mKeyId));
                    nfcKeyToCardOps.addSubkey(change.mKeyId);
                } else {
                    // Appropriate log message already set by checkSecurityTokenCompatibility
                    return new PgpEditKeyResult(EditKeyResult.RESULT_ERROR, log, null);
                }
            } else if (change.mSecurityTokenSerialNo != null) {
                // NOTE: Does this code get executed? Or always handled in internalRestricted?
                if (change.mSecurityTokenSerialNo.length != 16) {
                    log.add(LogType.MSG_MF_ERROR_DIVERT_SERIAL, indent + 1,
                            KeyFormattingUtils.convertKeyIdToHex(change.mKeyId));
                    return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                }
                log.add(LogType.MSG_MF_KEYTOCARD_FINISH, indent + 1,
                        KeyFormattingUtils.convertKeyIdToHex(change.mKeyId),
                        Hex.toHexString(change.mSecurityTokenSerialNo, 8, 6));
                sKey = PGPSecretKey.constructGnuDummyKey(sKey.getPublicKey(), change.mSecurityTokenSerialNo);
                sKR = PGPSecretKeyRing.insertSecretKey(sKR, sKey);
            }

            // This doesn't concern us any further
            if (!change.mRecertify && (change.mExpiry == null && change.mFlags == null)) {
                continue;
            }

            // expiry must not be in the past
            if (change.mExpiry != null && change.mExpiry != 0
                    && new Date(change.mExpiry * 1000).before(new Date())) {
                log.add(LogType.MSG_MF_ERROR_PAST_EXPIRY, indent + 1,
                        KeyFormattingUtils.convertKeyIdToHex(change.mKeyId));
                return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
            }

            // if this is the master key, update uid certificates instead
            if (change.mKeyId == masterPublicKey.getKeyID()) {
                int flags = change.mFlags == null ? masterKeyFlags : change.mFlags;
                long expiry = change.mExpiry == null ? masterKeyExpiry : change.mExpiry;

                if ((flags & KeyFlags.CERTIFY_OTHER) != KeyFlags.CERTIFY_OTHER) {
                    log.add(LogType.MSG_MF_ERROR_NO_CERTIFY, indent + 1);
                    return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                }

                PGPPublicKey pKey = updateMasterCertificates(masterSecretKey, masterPrivateKey, masterPublicKey,
                        flags, expiry, cryptoInput, nfcSignOps, indent, log);
                if (pKey == null) {
                    // error log entry has already been added by updateMasterCertificates itself
                    return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                }
                masterSecretKey = PGPSecretKey.replacePublicKey(sKey, pKey);
                masterPublicKey = pKey;
                sKR = PGPSecretKeyRing.insertSecretKey(sKR, masterSecretKey);
                continue;
            }

            // otherwise, continue working on the public key
            PGPPublicKey pKey = sKey.getPublicKey();

            // keep old flags, or replace with new ones
            int flags = change.mFlags == null ? readKeyFlags(pKey) : change.mFlags;
            long expiry;
            if (change.mExpiry == null) {
                long valid = pKey.getValidSeconds();
                expiry = valid == 0 ? 0 : pKey.getCreationTime().getTime() / 1000 + pKey.getValidSeconds();
            } else {
                expiry = change.mExpiry;
            }

            // drop all old signatures, they will be superseded by the new one
            //noinspection unchecked
            for (PGPSignature sig : new IterableIterator<PGPSignature>(pKey.getSignatures())) {
                // special case: if there is a revocation, don't use expiry from before
                if ((change.mExpiry == null || change.mExpiry == 0L)
                        && sig.getSignatureType() == PGPSignature.SUBKEY_REVOCATION) {
                    expiry = 0;
                }
                pKey = PGPPublicKey.removeCertification(pKey, sig);
            }

            PGPPrivateKey subPrivateKey;
            if (!isDivertToCard(sKey)) {
                PBESecretKeyDecryptor keyDecryptor = new JcePBESecretKeyDecryptorBuilder()
                        .setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME)
                        .build(cryptoInput.getPassphrase().getCharArray());
                subPrivateKey = sKey.extractPrivateKey(keyDecryptor);
                // super special case: subkey is allowed to sign, but isn't available
                if (subPrivateKey == null) {
                    log.add(LogType.MSG_MF_ERROR_SUB_STRIPPED, indent + 1,
                            KeyFormattingUtils.convertKeyIdToHex(change.mKeyId));
                    return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                }
            } else {
                subPrivateKey = null;
            }
            try {
                PGPSignature sig = generateSubkeyBindingSignature(
                        getSignatureGenerator(masterSecretKey, cryptoInput), cryptoInput.getSignatureTime(),
                        masterPublicKey, masterPrivateKey, getSignatureGenerator(sKey, cryptoInput),
                        subPrivateKey, pKey, flags, expiry);

                // generate and add new signature
                pKey = PGPPublicKey.addCertification(pKey, sig);
                sKR = PGPSecretKeyRing.insertSecretKey(sKR, PGPSecretKey.replacePublicKey(sKey, pKey));
            } catch (NfcInteractionNeeded e) {
                nfcSignOps.addHash(e.hashToSign, e.hashAlgo);
            }

        }
        subProgressPop();

        // 4b. For each subkey revocation, generate new subkey revocation certificate
        subProgressPush(60, 65);
        for (int i = 0; i < saveParcel.mRevokeSubKeys.size(); i++) {

            progress(R.string.progress_modify_subkeyrevoke, (i - 1) * (100 / saveParcel.mRevokeSubKeys.size()));
            long revocation = saveParcel.mRevokeSubKeys.get(i);
            log.add(LogType.MSG_MF_SUBKEY_REVOKE, indent, KeyFormattingUtils.convertKeyIdToHex(revocation));

            PGPSecretKey sKey = sKR.getSecretKey(revocation);
            if (sKey == null) {
                log.add(LogType.MSG_MF_ERROR_SUBKEY_MISSING, indent + 1,
                        KeyFormattingUtils.convertKeyIdToHex(revocation));
                return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
            }
            PGPPublicKey pKey = sKey.getPublicKey();

            // generate and add new signature
            try {
                PGPSignature sig = generateRevocationSignature(
                        getSignatureGenerator(masterSecretKey, cryptoInput), cryptoInput.getSignatureTime(),
                        masterPublicKey, masterPrivateKey, pKey);

                pKey = PGPPublicKey.addCertification(pKey, sig);
                sKR = PGPSecretKeyRing.insertSecretKey(sKR, PGPSecretKey.replacePublicKey(sKey, pKey));
            } catch (NfcInteractionNeeded e) {
                nfcSignOps.addHash(e.hashToSign, e.hashAlgo);
            }
        }
        subProgressPop();

        // 5. Generate and add new subkeys
        subProgressPush(70, 90);
        for (int i = 0; i < saveParcel.mAddSubKeys.size(); i++) {

            // Check if we were cancelled - again. This operation is expensive so we do it each loop.
            if (checkCancelled()) {
                log.add(LogType.MSG_OPERATION_CANCELLED, indent);
                return new PgpEditKeyResult(PgpEditKeyResult.RESULT_CANCELLED, log, null);
            }

            progress(R.string.progress_modify_subkeyadd, (i - 1) * (100 / saveParcel.mAddSubKeys.size()));
            SaveKeyringParcel.SubkeyAdd add = saveParcel.mAddSubKeys.get(i);
            log.add(LogType.MSG_MF_SUBKEY_NEW, indent,
                    KeyFormattingUtils.getAlgorithmInfo(add.mAlgorithm, add.mKeySize, add.mCurve));

            if (isDivertToCard(masterSecretKey)) {
                log.add(LogType.MSG_MF_ERROR_DIVERT_NEWSUB, indent + 1);
                return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
            }

            if (add.mExpiry == null) {
                log.add(LogType.MSG_MF_ERROR_NULL_EXPIRY, indent + 1);
                return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
            }

            if (add.mExpiry > 0L && new Date(add.mExpiry * 1000).before(new Date())) {
                log.add(LogType.MSG_MF_ERROR_PAST_EXPIRY, indent + 1);
                return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
            }

            // generate a new secret key (privkey only for now)
            subProgressPush((i - 1) * (100 / saveParcel.mAddSubKeys.size()),
                    i * (100 / saveParcel.mAddSubKeys.size()));
            PGPKeyPair keyPair = createKey(add, cryptoInput.getSignatureTime(), log, indent);
            subProgressPop();
            if (keyPair == null) {
                log.add(LogType.MSG_MF_ERROR_PGP, indent + 1);
                return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
            }

            // add subkey binding signature (making this a sub rather than master key)
            PGPPublicKey pKey = keyPair.getPublicKey();
            try {
                PGPSignature cert = generateSubkeyBindingSignature(
                        getSignatureGenerator(masterSecretKey, cryptoInput), cryptoInput.getSignatureTime(),
                        masterPublicKey, masterPrivateKey, getSignatureGenerator(pKey, cryptoInput, false),
                        keyPair.getPrivateKey(), pKey, add.mFlags, add.mExpiry);
                pKey = PGPPublicKey.addSubkeyBindingCertification(pKey, cert);
            } catch (NfcInteractionNeeded e) {
                nfcSignOps.addHash(e.hashToSign, e.hashAlgo);
            }

            PGPSecretKey sKey;
            {
                // Build key encrypter and decrypter based on passphrase
                PGPDigestCalculator encryptorHashCalc = new JcaPGPDigestCalculatorProviderBuilder().build()
                        .get(PgpSecurityConstants.SECRET_KEY_ENCRYPTOR_HASH_ALGO);
                PBESecretKeyEncryptor keyEncryptor = new JcePBESecretKeyEncryptorBuilder(
                        PgpSecurityConstants.SECRET_KEY_ENCRYPTOR_SYMMETRIC_ALGO, encryptorHashCalc,
                        PgpSecurityConstants.SECRET_KEY_ENCRYPTOR_S2K_COUNT)
                                .setProvider(Constants.BOUNCY_CASTLE_PROVIDER_NAME)
                                .build(cryptoInput.getPassphrase().getCharArray());

                PGPDigestCalculator sha1Calc = new JcaPGPDigestCalculatorProviderBuilder().build()
                        .get(PgpSecurityConstants.SECRET_KEY_SIGNATURE_CHECKSUM_HASH_ALGO);
                sKey = new PGPSecretKey(keyPair.getPrivateKey(), pKey, sha1Calc, false, keyEncryptor);
            }

            log.add(LogType.MSG_MF_SUBKEY_NEW_ID, indent + 1,
                    KeyFormattingUtils.convertKeyIdToHex(sKey.getKeyID()));

            sKR = PGPSecretKeyRing.insertSecretKey(sKR, sKey);

        }
        subProgressPop();

        // Check if we were cancelled - again. This operation is expensive so we do it each loop.
        if (checkCancelled()) {
            log.add(LogType.MSG_OPERATION_CANCELLED, indent);
            return new PgpEditKeyResult(PgpEditKeyResult.RESULT_CANCELLED, log, null);
        }

        // 6. If requested, change passphrase
        if (saveParcel.getChangeUnlockParcel() != null) {
            progress(R.string.progress_modify_passphrase, 90);
            log.add(LogType.MSG_MF_PASSPHRASE, indent);
            indent += 1;

            sKR = applyNewPassphrase(sKR, masterPublicKey, cryptoInput.getPassphrase(),
                    saveParcel.getChangeUnlockParcel().mNewPassphrase, log, indent);
            if (sKR == null) {
                // The error has been logged above, just return a bad state
                return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
            }

            indent -= 1;
        }

        // 7. if requested, change PIN and/or Admin PIN on security token
        if (saveParcel.mSecurityTokenPin != null) {
            progress(R.string.progress_modify_pin, 90);
            log.add(LogType.MSG_MF_PIN, indent);
            indent += 1;

            nfcKeyToCardOps.setPin(saveParcel.mSecurityTokenPin);

            indent -= 1;
        }
        if (saveParcel.mSecurityTokenAdminPin != null) {
            progress(R.string.progress_modify_admin_pin, 90);
            log.add(LogType.MSG_MF_ADMIN_PIN, indent);
            indent += 1;

            nfcKeyToCardOps.setAdminPin(saveParcel.mSecurityTokenAdminPin);

            indent -= 1;
        }

    } catch (IOException e) {
        Log.e(Constants.TAG, "encountered IOException while modifying key", e);
        log.add(LogType.MSG_MF_ERROR_ENCODE, indent + 1);
        return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
    } catch (PGPException e) {
        Log.e(Constants.TAG, "encountered pgp error while modifying key", e);
        log.add(LogType.MSG_MF_ERROR_PGP, indent + 1);
        return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
    } catch (SignatureException e) {
        Log.e(Constants.TAG, "encountered SignatureException while modifying key", e);
        log.add(LogType.MSG_MF_ERROR_SIG, indent + 1);
        return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
    }

    progress(R.string.progress_done, 100);

    if (!nfcSignOps.isEmpty() && !nfcKeyToCardOps.isEmpty()) {
        log.add(LogType.MSG_MF_ERROR_CONFLICTING_NFC_COMMANDS, indent + 1);
        return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
    }

    if (!nfcSignOps.isEmpty()) {
        log.add(LogType.MSG_MF_REQUIRE_DIVERT, indent);
        return new PgpEditKeyResult(log, nfcSignOps.build(), cryptoInput);
    }

    if (!nfcKeyToCardOps.isEmpty()) {
        log.add(LogType.MSG_MF_REQUIRE_DIVERT, indent);
        return new PgpEditKeyResult(log, nfcKeyToCardOps.build(), cryptoInput);
    }

    log.add(LogType.MSG_MF_SUCCESS, indent);
    return new PgpEditKeyResult(OperationResult.RESULT_OK, log, new UncachedKeyRing(sKR));

}

From source file:org.sufficientlysecure.keychain.pgp.PgpKeyOperation.java

License:Open Source License

/** This method does the actual modifications in a keyring just like internal, except it
 * supports only the subset of operations which require no passphrase, and will error
 * otherwise./* w  w  w  .jav a  2s  . c  om*/
 */
private PgpEditKeyResult internalRestricted(PGPSecretKeyRing sKR, SaveKeyringParcel saveParcel,
        OperationLog log, int indent) {

    progress(R.string.progress_modify, 0);

    // Make sure the saveParcel includes only operations available without passphrase!
    if (!saveParcel.isRestrictedOnly()) {
        log.add(LogType.MSG_MF_ERROR_RESTRICTED, indent);
        return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
    }

    // Check if we were cancelled
    if (checkCancelled()) {
        log.add(LogType.MSG_OPERATION_CANCELLED, indent);
        return new PgpEditKeyResult(PgpEditKeyResult.RESULT_CANCELLED, log, null);
    }

    // The only operation we can do here:
    // 4a. Strip secret keys, or change their protection mode (stripped/divert-to-card)
    subProgressPush(50, 60);
    for (int i = 0; i < saveParcel.mChangeSubKeys.size(); i++) {

        progress(R.string.progress_modify_subkeychange, (i - 1) * (100 / saveParcel.mChangeSubKeys.size()));
        SaveKeyringParcel.SubkeyChange change = saveParcel.mChangeSubKeys.get(i);
        log.add(LogType.MSG_MF_SUBKEY_CHANGE, indent, KeyFormattingUtils.convertKeyIdToHex(change.mKeyId));

        PGPSecretKey sKey = sKR.getSecretKey(change.mKeyId);
        if (sKey == null) {
            log.add(LogType.MSG_MF_ERROR_SUBKEY_MISSING, indent + 1,
                    KeyFormattingUtils.convertKeyIdToHex(change.mKeyId));
            return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
        }

        if (change.mDummyStrip || change.mSecurityTokenSerialNo != null) {
            // IT'S DANGEROUS~
            // no really, it is. this operation irrevocably removes the private key data from the key
            if (change.mDummyStrip) {
                sKey = PGPSecretKey.constructGnuDummyKey(sKey.getPublicKey());
            } else {
                // the serial number must be 16 bytes in length
                if (change.mSecurityTokenSerialNo.length != 16) {
                    log.add(LogType.MSG_MF_ERROR_DIVERT_SERIAL, indent + 1,
                            KeyFormattingUtils.convertKeyIdToHex(change.mKeyId));
                    return new PgpEditKeyResult(PgpEditKeyResult.RESULT_ERROR, log, null);
                }
                log.add(LogType.MSG_MF_KEYTOCARD_FINISH, indent + 1,
                        KeyFormattingUtils.convertKeyIdToHex(change.mKeyId),
                        Hex.toHexString(change.mSecurityTokenSerialNo, 8, 6));
                sKey = PGPSecretKey.constructGnuDummyKey(sKey.getPublicKey(), change.mSecurityTokenSerialNo);
            }
            sKR = PGPSecretKeyRing.insertSecretKey(sKR, sKey);
        }

    }

    // And we're done!
    progress(R.string.progress_done, 100);
    log.add(LogType.MSG_MF_SUCCESS, indent);
    return new PgpEditKeyResult(OperationResult.RESULT_OK, log, new UncachedKeyRing(sKR));

}

From source file:org.sufficientlysecure.keychain.pgp.UncachedKeyRing.java

License:Open Source License

/** This method replaces a public key in a keyring.
 *
 * This method essentially wraps PGP*KeyRing.insertPublicKey, where the keyring may be of either
 * the secret or public subclass.//from  w ww  .jav  a2 s .c om
 *
 * @return the resulting PGPKeyRing of the same type as the input
 */
private static PGPKeyRing replacePublicKey(PGPKeyRing ring, PGPPublicKey key) {
    if (ring instanceof PGPPublicKeyRing) {
        PGPPublicKeyRing pubRing = (PGPPublicKeyRing) ring;
        return PGPPublicKeyRing.insertPublicKey(pubRing, key);
    } else {
        PGPSecretKeyRing secRing = (PGPSecretKeyRing) ring;
        PGPSecretKey sKey = secRing.getSecretKey(key.getKeyID());
        // if this is a secret key which does not yet occur in the secret ring
        if (sKey == null) {
            // generate a stripped secret (sub)key
            sKey = PGPSecretKey.constructGnuDummyKey(key);
        }
        sKey = PGPSecretKey.replacePublicKey(sKey, key);
        return PGPSecretKeyRing.insertSecretKey(secRing, sKey);
    }
}