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Code Issues Releases Wiki Activity

Simplify Key Generation API even more

This commit is contained in:
Paul Schaub 2018-06-04 19:44:47 +02:00
parent 4d1e5dc361
commit cbb3dd642a
Signed by: vanitasvitae
GPG Key ID: 62BEE9264BF17311
4 changed files with 41 additions and 46 deletions
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20
src/main/java/de/vanitasvitae/crypto/pgpainless/key/generation/KeyRingBuilder.java
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@ -44,11 +44,21 @@ public class KeyRingBuilder implements KeyRingBuilderInterface {
private String userId;
private char[] passphrase;
/**
* Creates a simple RSA KeyPair of length {@code length} with user-id {@code userId}.
*
* @param userId user id.
* @param length length in bits.
* @return {@link PGPSecretKeyRing} containing the KeyPair.
* @throws PGPException
* @throws NoSuchAlgorithmException
* @throws NoSuchProviderException
* @throws InvalidAlgorithmParameterException
*/
public PGPSecretKeyRing simpleRsaKeyRing(String userId, RsaLength length)
throws PGPException, NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException {
return withMasterKey(
KeySpec.getBuilder()
.ofType(RSA_GENERAL.withLength(length))
KeySpec.getBuilder(RSA_GENERAL.withLength(length))
.withDefaultKeyFlags()
.withDefaultAlgorithms())
.withPrimaryUserId(userId)
@ -59,13 +69,11 @@ public class KeyRingBuilder implements KeyRingBuilderInterface {
public PGPSecretKeyRing simpleEcKeyRing(String userId)
throws PGPException, NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException {
return withSubKey(
KeySpec.getBuilder()
.ofType(ECDH.fromCurve(EllipticCurve._P256))
KeySpec.getBuilder(ECDH.fromCurve(EllipticCurve._P256))
.withKeyFlags(KeyFlag.ENCRYPT_STORAGE, KeyFlag.ENCRYPT_COMMS)
.withDefaultAlgorithms())
.withMasterKey(
KeySpec.getBuilder()
.ofType(ECDSA.fromCurve(EllipticCurve._P256))
KeySpec.getBuilder(ECDSA.fromCurve(EllipticCurve._P256))
.withKeyFlags(KeyFlag.AUTHENTICATION, KeyFlag.CERTIFY_OTHER, KeyFlag.SIGN_DATA)
.withDefaultAlgorithms())
.withPrimaryUserId(userId)

4
src/main/java/de/vanitasvitae/crypto/pgpainless/key/generation/KeySpec.java
View File

@ -30,7 +30,7 @@ public class KeySpec {
return inheritedSubPackets;
}
public static KeySpecBuilder getBuilder() {
return new KeySpecBuilder();
public static KeySpecBuilder getBuilder(KeyType type) {
return new KeySpecBuilder(type);
}
}

51
src/main/java/de/vanitasvitae/crypto/pgpainless/key/generation/KeySpecBuilder.java
View File

@ -1,7 +1,5 @@
package de.vanitasvitae.crypto.pgpainless.key.generation;
import java.util.Arrays;
import de.vanitasvitae.crypto.pgpainless.algorithm.AlgorithmSuite;
import de.vanitasvitae.crypto.pgpainless.algorithm.CompressionAlgorithm;
import de.vanitasvitae.crypto.pgpainless.algorithm.Feature;
@ -17,38 +15,33 @@ public class KeySpecBuilder implements KeySpecBuilderInterface {
private KeyType type;
private PGPSignatureSubpacketGenerator hashedSubPackets = new PGPSignatureSubpacketGenerator();
@Override
public WithKeyFlags ofType(KeyType type) {
KeySpecBuilder.this.type = type;
return new WithKeyFlagsImpl();
KeySpecBuilder(KeyType type) {
this.type = type;
}
class WithKeyFlagsImpl implements WithKeyFlags {
@Override
public WithDetailedConfiguration withKeyFlags(KeyFlag... flags) {
int val = 0;
for (KeyFlag f : flags) {
val |= f.getFlag();
}
KeySpecBuilder.this.hashedSubPackets.setKeyFlags(false, val);
return new WithDetailedConfigurationImpl();
@Override
public WithDetailedConfiguration withKeyFlags(KeyFlag... flags) {
int val = 0;
for (KeyFlag f : flags) {
val |= f.getFlag();
}
this.hashedSubPackets.setKeyFlags(false, val);
return new WithDetailedConfigurationImpl();
}
@Override
public WithDetailedConfiguration withDefaultKeyFlags() {
return withKeyFlags(
KeyFlag.CERTIFY_OTHER,
KeyFlag.SIGN_DATA,
KeyFlag.ENCRYPT_COMMS,
KeyFlag.ENCRYPT_STORAGE,
KeyFlag.AUTHENTICATION);
}
@Override
public WithDetailedConfiguration withDefaultKeyFlags() {
return withKeyFlags(
KeyFlag.CERTIFY_OTHER,
KeyFlag.SIGN_DATA,
KeyFlag.ENCRYPT_COMMS,
KeyFlag.ENCRYPT_STORAGE,
KeyFlag.AUTHENTICATION);
}
@Override
public KeySpec withInheritedSubPackets() {
return new KeySpec(type, null, true);
}
@Override
public KeySpec withInheritedSubPackets() {
return new KeySpec(type, null, true);
}
class WithDetailedConfigurationImpl implements WithDetailedConfiguration {

12
src/main/java/de/vanitasvitae/crypto/pgpainless/key/generation/KeySpecBuilderInterface.java
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@ -5,20 +5,14 @@ import de.vanitasvitae.crypto.pgpainless.algorithm.Feature;
import de.vanitasvitae.crypto.pgpainless.algorithm.HashAlgorithm;
import de.vanitasvitae.crypto.pgpainless.algorithm.KeyFlag;
import de.vanitasvitae.crypto.pgpainless.algorithm.SymmetricKeyAlgorithm;
import de.vanitasvitae.crypto.pgpainless.key.generation.type.KeyType;
public interface KeySpecBuilderInterface {
WithKeyFlags ofType(KeyType type);
WithDetailedConfiguration withKeyFlags(KeyFlag... flags);
interface WithKeyFlags {
WithDetailedConfiguration withDefaultKeyFlags();
WithDetailedConfiguration withKeyFlags(KeyFlag... flags);
WithDetailedConfiguration withDefaultKeyFlags();
KeySpec withInheritedSubPackets();
}
KeySpec withInheritedSubPackets();
interface WithDetailedConfiguration {