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Implement '--signing-only' option for 'generate-key' subcommand
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parent
d3fe850c95
commit
9c216e1ff4
1 changed files with 39 additions and 30 deletions
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@ -9,7 +9,6 @@ import java.io.OutputStream;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.NoSuchAlgorithmException;
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import java.security.NoSuchAlgorithmException;
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import java.util.Arrays;
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import java.util.Arrays;
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import java.util.Iterator;
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import java.util.LinkedHashSet;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.List;
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import java.util.Set;
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import java.util.Set;
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@ -18,9 +17,13 @@ import org.bouncycastle.bcpg.ArmoredOutputStream;
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import org.bouncycastle.openpgp.PGPException;
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import org.bouncycastle.openpgp.PGPException;
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import org.bouncycastle.openpgp.PGPSecretKeyRing;
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import org.bouncycastle.openpgp.PGPSecretKeyRing;
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import org.pgpainless.PGPainless;
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import org.pgpainless.PGPainless;
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import org.pgpainless.algorithm.KeyFlag;
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import org.pgpainless.key.generation.KeyRingBuilder;
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import org.pgpainless.key.generation.KeySpec;
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import org.pgpainless.key.generation.type.KeyType;
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import org.pgpainless.key.generation.type.eddsa.EdDSACurve;
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import org.pgpainless.key.generation.type.rsa.RsaLength;
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import org.pgpainless.key.generation.type.rsa.RsaLength;
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import org.pgpainless.key.modification.secretkeyring.SecretKeyRingEditorInterface;
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import org.pgpainless.key.generation.type.xdh.XDHSpec;
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import org.pgpainless.key.protection.SecretKeyRingProtector;
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import org.pgpainless.util.ArmorUtils;
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import org.pgpainless.util.ArmorUtils;
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import org.pgpainless.util.Passphrase;
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import org.pgpainless.util.Passphrase;
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import sop.Profile;
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import sop.Profile;
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@ -39,6 +42,7 @@ public class GenerateKeyImpl implements GenerateKey {
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public static final List<Profile> SUPPORTED_PROFILES = Arrays.asList(CURVE25519_PROFILE, RSA4096_PROFILE);
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public static final List<Profile> SUPPORTED_PROFILES = Arrays.asList(CURVE25519_PROFILE, RSA4096_PROFILE);
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private boolean armor = true;
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private boolean armor = true;
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private boolean signingOnly = false;
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private final Set<String> userIds = new LinkedHashSet<>();
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private final Set<String> userIds = new LinkedHashSet<>();
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private Passphrase passphrase = Passphrase.emptyPassphrase();
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private Passphrase passphrase = Passphrase.emptyPassphrase();
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private String profile = CURVE25519_PROFILE.getName();
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private String profile = CURVE25519_PROFILE.getName();
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@ -76,35 +80,25 @@ public class GenerateKeyImpl implements GenerateKey {
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throw new SOPGPException.UnsupportedProfile("generate-key", profileName);
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throw new SOPGPException.UnsupportedProfile("generate-key", profileName);
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}
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}
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@Override
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public GenerateKey signingOnly() {
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signingOnly = true;
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return this;
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}
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@Override
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@Override
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public Ready generate() throws SOPGPException.MissingArg, SOPGPException.UnsupportedAsymmetricAlgo {
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public Ready generate() throws SOPGPException.MissingArg, SOPGPException.UnsupportedAsymmetricAlgo {
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Iterator<String> userIdIterator = userIds.iterator();
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Passphrase passphraseCopy = new Passphrase(passphrase.getChars()); // generateKeyRing clears the original passphrase
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PGPSecretKeyRing key;
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try {
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try {
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String primaryUserId = userIdIterator.hasNext() ? userIdIterator.next() : null;
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final PGPSecretKeyRing key = generateKeyWithProfile(profile, userIds, passphrase, signingOnly);
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key = generateKeyWithProfile(profile, primaryUserId, passphrase);
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if (userIdIterator.hasNext()) {
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SecretKeyRingEditorInterface editor = PGPainless.modifyKeyRing(key);
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while (userIdIterator.hasNext()) {
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editor.addUserId(userIdIterator.next(), SecretKeyRingProtector.unlockAnyKeyWith(passphraseCopy));
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}
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key = editor.done();
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}
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PGPSecretKeyRing finalKey = key;
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return new Ready() {
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return new Ready() {
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@Override
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@Override
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public void writeTo(OutputStream outputStream) throws IOException {
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public void writeTo(OutputStream outputStream) throws IOException {
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if (armor) {
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if (armor) {
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ArmoredOutputStream armoredOutputStream = ArmorUtils.toAsciiArmoredStream(finalKey, outputStream);
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ArmoredOutputStream armoredOutputStream = ArmorUtils.toAsciiArmoredStream(key, outputStream);
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finalKey.encode(armoredOutputStream);
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key.encode(armoredOutputStream);
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armoredOutputStream.close();
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armoredOutputStream.close();
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} else {
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} else {
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finalKey.encode(outputStream);
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key.encode(outputStream);
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}
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}
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}
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}
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};
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};
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@ -115,23 +109,38 @@ public class GenerateKeyImpl implements GenerateKey {
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}
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}
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}
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}
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private PGPSecretKeyRing generateKeyWithProfile(String profile, String primaryUserId, Passphrase passphrase)
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private PGPSecretKeyRing generateKeyWithProfile(String profile, Set<String> userIds, Passphrase passphrase, boolean signingOnly)
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throws PGPException, InvalidAlgorithmParameterException, NoSuchAlgorithmException {
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throws PGPException, InvalidAlgorithmParameterException, NoSuchAlgorithmException {
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PGPSecretKeyRing key;
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KeyRingBuilder keyBuilder;
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// XDH + EdDSA
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// XDH + EdDSA
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if (profile.equals(CURVE25519_PROFILE.getName())) {
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if (profile.equals(CURVE25519_PROFILE.getName())) {
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key = PGPainless.generateKeyRing()
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keyBuilder = PGPainless.buildKeyRing()
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.modernKeyRing(primaryUserId, passphrase);
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.setPrimaryKey(KeySpec.getBuilder(KeyType.EDDSA(EdDSACurve._Ed25519), KeyFlag.CERTIFY_OTHER))
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.addSubkey(KeySpec.getBuilder(KeyType.EDDSA(EdDSACurve._Ed25519), KeyFlag.SIGN_DATA));
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if (!signingOnly) {
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keyBuilder.addSubkey(KeySpec.getBuilder(KeyType.XDH(XDHSpec._X25519), KeyFlag.ENCRYPT_COMMS, KeyFlag.ENCRYPT_STORAGE));
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}
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}
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}
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// RSA 4096
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// RSA 4096
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else if (profile.equals(RSA4096_PROFILE.getName())) {
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else if (profile.equals(RSA4096_PROFILE.getName())) {
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key = PGPainless.generateKeyRing()
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keyBuilder = PGPainless.buildKeyRing()
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.rsaKeyRing(primaryUserId, RsaLength._4096, passphrase);
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.setPrimaryKey(KeySpec.getBuilder(KeyType.RSA(RsaLength._4096), KeyFlag.CERTIFY_OTHER))
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.addSubkey(KeySpec.getBuilder(KeyType.RSA(RsaLength._4096), KeyFlag.SIGN_DATA));
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if (!signingOnly) {
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keyBuilder.addSubkey(KeySpec.getBuilder(KeyType.RSA(RsaLength._4096), KeyFlag.ENCRYPT_COMMS, KeyFlag.ENCRYPT_STORAGE));
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}
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}
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}
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else {
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else {
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// Missing else-if branch for profile. Oops.
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// Missing else-if branch for profile. Oops.
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throw new SOPGPException.UnsupportedProfile("generate-key", profile);
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throw new SOPGPException.UnsupportedProfile("generate-key", profile);
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}
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}
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return key;
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for (String userId : userIds) {
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keyBuilder.addUserId(userId);
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}
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if (!passphrase.isEmpty()) {
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keyBuilder.setPassphrase(passphrase);
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}
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return keyBuilder.build();
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}
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}
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}
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}
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