diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input')
2 files changed, 281 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input/CryptoInputParcel.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input/CryptoInputParcel.java new file mode 100644 index 000000000..d77bbe7e2 --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input/CryptoInputParcel.java @@ -0,0 +1,115 @@ +package org.sufficientlysecure.keychain.service.input; + +import java.nio.ByteBuffer; +import java.util.Collections; +import java.util.Date; +import java.util.HashMap; +import java.util.Map; + +import android.os.Parcel; +import android.os.Parcelable; + +import org.sufficientlysecure.keychain.util.Passphrase; + + +/** This is a base class for the input of crypto operations. + * + */ +public class CryptoInputParcel implements Parcelable { + + final Date mSignatureTime; + final Passphrase mPassphrase; + + // this map contains both decrypted session keys and signed hashes to be + // used in the crypto operation described by this parcel. + private HashMap<ByteBuffer,byte[]> mCryptoData = new HashMap<>(); + + public CryptoInputParcel(Date signatureTime, Passphrase passphrase) { + mSignatureTime = signatureTime == null ? new Date() : signatureTime; + mPassphrase = passphrase; + } + + public CryptoInputParcel(Date signatureTime) { + mSignatureTime = signatureTime == null ? new Date() : signatureTime; + mPassphrase = null; + } + + protected CryptoInputParcel(Parcel source) { + mSignatureTime = new Date(source.readLong()); + mPassphrase = source.readParcelable(getClass().getClassLoader()); + + { + int count = source.readInt(); + mCryptoData = new HashMap<>(count); + for (int i = 0; i < count; i++) { + byte[] key = source.createByteArray(); + byte[] value = source.createByteArray(); + mCryptoData.put(ByteBuffer.wrap(key), value); + } + } + + } + + @Override + public int describeContents() { + return 0; + } + + @Override + public void writeToParcel(Parcel dest, int flags) { + dest.writeLong(mSignatureTime.getTime()); + dest.writeParcelable(mPassphrase, 0); + + dest.writeInt(mCryptoData.size()); + for (HashMap.Entry<ByteBuffer,byte[]> entry : mCryptoData.entrySet()) { + dest.writeByteArray(entry.getKey().array()); + dest.writeByteArray(entry.getValue()); + } + } + + public void addCryptoData(byte[] hash, byte[] signedHash) { + mCryptoData.put(ByteBuffer.wrap(hash), signedHash); + } + + public Map<ByteBuffer, byte[]> getCryptoData() { + return Collections.unmodifiableMap(mCryptoData); + } + + public Date getSignatureTime() { + return mSignatureTime; + } + + public boolean hasPassphrase() { + return mPassphrase != null; + } + + public Passphrase getPassphrase() { + return mPassphrase; + } + + public static final Creator<CryptoInputParcel> CREATOR = new Creator<CryptoInputParcel>() { + public CryptoInputParcel createFromParcel(final Parcel source) { + return new CryptoInputParcel(source); + } + + public CryptoInputParcel[] newArray(final int size) { + return new CryptoInputParcel[size]; + } + }; + + @Override + public String toString() { + StringBuilder b = new StringBuilder(); + b.append("CryptoInput: { "); + b.append(mSignatureTime).append(" "); + if (mPassphrase != null) { + b.append("passphrase"); + } + if (mCryptoData != null) { + b.append(mCryptoData.size()); + b.append(" hashes "); + } + b.append("}"); + return b.toString(); + } +} diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input/RequiredInputParcel.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input/RequiredInputParcel.java new file mode 100644 index 000000000..3d91812eb --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/input/RequiredInputParcel.java @@ -0,0 +1,166 @@ +package org.sufficientlysecure.keychain.service.input; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.Date; + +import android.os.Parcel; +import android.os.Parcelable; + + +public class RequiredInputParcel implements Parcelable { + + public enum RequiredInputType { + PASSPHRASE, NFC_SIGN, NFC_DECRYPT + } + + public Date mSignatureTime; + + public final RequiredInputType mType; + + public String mNfcPin = "123456"; + public final byte[][] mInputHashes; + public final int[] mSignAlgos; + + private Long mSubKeyId; + + private RequiredInputParcel(RequiredInputType type, byte[][] inputHashes, + int[] signAlgos, Date signatureTime, Long keyId) { + mType = type; + mInputHashes = inputHashes; + mSignAlgos = signAlgos; + mSignatureTime = signatureTime; + mSubKeyId = keyId; + } + + public RequiredInputParcel(Parcel source) { + mType = RequiredInputType.values()[source.readInt()]; + + if (source.readInt() != 0) { + int count = source.readInt(); + mInputHashes = new byte[count][]; + mSignAlgos = new int[count]; + for (int i = 0; i < count; i++) { + mInputHashes[i] = source.createByteArray(); + mSignAlgos[i] = source.readInt(); + } + } else { + mInputHashes = null; + mSignAlgos = null; + } + + mSignatureTime = source.readInt() != 0 ? new Date(source.readLong()) : null; + mSubKeyId = source.readInt() != 0 ? source.readLong() : null; + + } + + public long getSubKeyId() { + return mSubKeyId; + } + + public static RequiredInputParcel createNfcSignOperation( + byte[] inputHash, int signAlgo, Date signatureTime) { + return new RequiredInputParcel(RequiredInputType.NFC_SIGN, + new byte[][] { inputHash }, new int[] { signAlgo }, signatureTime, null); + } + + public static RequiredInputParcel createNfcDecryptOperation(byte[] inputHash) { + return new RequiredInputParcel(RequiredInputType.NFC_DECRYPT, + new byte[][] { inputHash }, null, null, null); + } + + public static RequiredInputParcel createRequiredPassphrase(long keyId, Date signatureTime) { + return new RequiredInputParcel(RequiredInputType.PASSPHRASE, + null, null, signatureTime, keyId); + } + + @Override + public int describeContents() { + return 0; + } + + @Override + public void writeToParcel(Parcel dest, int flags) { + dest.writeInt(mType.ordinal()); + if (mInputHashes != null) { + dest.writeInt(1); + dest.writeInt(mInputHashes.length); + for (int i = 0; i < mInputHashes.length; i++) { + dest.writeByteArray(mInputHashes[i]); + dest.writeInt(mSignAlgos[i]); + } + } else { + dest.writeInt(0); + } + if (mSignatureTime != null) { + dest.writeInt(1); + dest.writeLong(mSignatureTime.getTime()); + } else { + dest.writeInt(0); + } + if (mSubKeyId != null) { + dest.writeInt(1); + dest.writeLong(mSubKeyId); + } else { + dest.writeInt(0); + } + + } + + public static final Creator<RequiredInputParcel> CREATOR = new Creator<RequiredInputParcel>() { + public RequiredInputParcel createFromParcel(final Parcel source) { + return new RequiredInputParcel(source); + } + + public RequiredInputParcel[] newArray(final int size) { + return new RequiredInputParcel[size]; + } + }; + + public static class NfcSignOperationsBuilder { + Date mSignatureTime; + ArrayList<Integer> mSignAlgos = new ArrayList<>(); + ArrayList<byte[]> mInputHashes = new ArrayList<>(); + + public NfcSignOperationsBuilder(Date signatureTime) { + mSignatureTime = signatureTime; + } + + public RequiredInputParcel build() { + byte[][] inputHashes = new byte[mInputHashes.size()][]; + mInputHashes.toArray(inputHashes); + int[] signAlgos = new int[mSignAlgos.size()]; + for (int i = 0; i < mSignAlgos.size(); i++) { + signAlgos[i] = mSignAlgos.get(i); + } + + return new RequiredInputParcel(RequiredInputType.NFC_SIGN, + inputHashes, signAlgos, mSignatureTime, null); + } + + public void addHash(byte[] hash, int algo) { + mInputHashes.add(hash); + mSignAlgos.add(algo); + } + + public void addAll(RequiredInputParcel input) { + if (!mSignatureTime.equals(input.mSignatureTime)) { + throw new AssertionError("input times must match, this is a programming error!"); + } + if (input.mType != RequiredInputType.NFC_SIGN) { + throw new AssertionError("operation types must match, this is a progrmming error!"); + } + + Collections.addAll(mInputHashes, input.mInputHashes); + for (int signAlgo : input.mSignAlgos) { + mSignAlgos.add(signAlgo); + } + } + + public boolean isEmpty() { + return mInputHashes.isEmpty(); + } + + } + +} |