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Code Issues Projects Releases Wiki Activity

Refactor key handling to use public classes.

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This commit is contained in:
akwizgran
2019-04-19 14:02:01 +01:00
parent 421ca309c7
commit 0e77a47cc1
21 changed files with 203 additions and 95 deletions
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30
bramble-api/src/main/java/org/briarproject/bramble/api/crypto/AgreementPrivateKey.java Normal file
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@@ -0,0 +1,30 @@
package org.briarproject.bramble.api.crypto;
import org.briarproject.bramble.api.Bytes;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import javax.annotation.concurrent.Immutable;
import static org.briarproject.bramble.api.crypto.CryptoConstants.KEY_TYPE_AGREEMENT;
/**
* Type-safe wrapper for a private key used for key agreement.
*/
@Immutable
@NotNullByDefault
public class AgreementPrivateKey extends Bytes implements PrivateKey {
public AgreementPrivateKey(byte[] encoded) {
super(encoded);
}
@Override
public String getKeyType() {
return KEY_TYPE_AGREEMENT;
}
@Override
public byte[] getEncoded() {
return getBytes();
}
}

35
bramble-api/src/main/java/org/briarproject/bramble/api/crypto/AgreementPublicKey.java Normal file
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@@ -0,0 +1,35 @@
package org.briarproject.bramble.api.crypto;
import org.briarproject.bramble.api.Bytes;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import javax.annotation.concurrent.Immutable;
import static org.briarproject.bramble.api.crypto.CryptoConstants.KEY_TYPE_AGREEMENT;
import static org.briarproject.bramble.api.crypto.CryptoConstants.MAX_AGREEMENT_PUBLIC_KEY_BYTES;
/**
* Type-safe wrapper for a public key used for key agreement.
*/
@Immutable
@NotNullByDefault
public class AgreementPublicKey extends Bytes implements PublicKey {
public AgreementPublicKey(byte[] encoded) {
super(encoded);
if (encoded.length == 0 ||
encoded.length > MAX_AGREEMENT_PUBLIC_KEY_BYTES) {
throw new IllegalArgumentException();
}
}
@Override
public String getKeyType() {
return KEY_TYPE_AGREEMENT;
}
@Override
public byte[] getEncoded() {
return getBytes();
}
}

10
bramble-api/src/main/java/org/briarproject/bramble/api/crypto/CryptoConstants.java
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@@ -7,11 +7,21 @@ public interface CryptoConstants {
*/
int MAX_AGREEMENT_PUBLIC_KEY_BYTES = 32;
/**
* The key type for agreement key pairs.
*/
String KEY_TYPE_AGREEMENT = "Curve25519";
/**
* The maximum length of a signature public key in bytes.
*/
int MAX_SIGNATURE_PUBLIC_KEY_BYTES = 32;
/**
* The key type for signature key pairs.
*/
String KEY_TYPE_SIGNATURE = "Ed25519";
/**
* The maximum length of a signature in bytes.
*/

5
bramble-api/src/main/java/org/briarproject/bramble/api/crypto/PrivateKey.java
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@@ -8,6 +8,11 @@ import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
public interface PrivateKey {
/**
* Returns the type of this key pair.
*/
String getKeyType();
/**
* Returns the encoded representation of this key.
*/

5
bramble-api/src/main/java/org/briarproject/bramble/api/crypto/PublicKey.java
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@@ -8,6 +8,11 @@ import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
public interface PublicKey {
/**
* Returns the type of this key pair.
*/
String getKeyType();
/**
* Returns the encoded representation of this key.
*/

30
bramble-api/src/main/java/org/briarproject/bramble/api/crypto/SignaturePrivateKey.java Normal file
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@@ -0,0 +1,30 @@
package org.briarproject.bramble.api.crypto;
import org.briarproject.bramble.api.Bytes;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import javax.annotation.concurrent.Immutable;
import static org.briarproject.bramble.api.crypto.CryptoConstants.KEY_TYPE_SIGNATURE;
/**
* Type-safe wrapper for a public key used for signing.
*/
@Immutable
@NotNullByDefault
public class SignaturePrivateKey extends Bytes implements PrivateKey {
public SignaturePrivateKey(byte[] bytes) {
super(bytes);
}
@Override
public String getKeyType() {
return KEY_TYPE_SIGNATURE;
}
@Override
public byte[] getEncoded() {
return getBytes();
}
}

35
bramble-api/src/main/java/org/briarproject/bramble/api/crypto/SignaturePublicKey.java Normal file
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@@ -0,0 +1,35 @@
package org.briarproject.bramble.api.crypto;
import org.briarproject.bramble.api.Bytes;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import javax.annotation.concurrent.Immutable;
import static org.briarproject.bramble.api.crypto.CryptoConstants.KEY_TYPE_SIGNATURE;
import static org.briarproject.bramble.api.crypto.CryptoConstants.MAX_SIGNATURE_PUBLIC_KEY_BYTES;
/**
* Type-safe wrapper for a public key used for verifying signatures.
*/
@Immutable
@NotNullByDefault
public class SignaturePublicKey extends Bytes implements PublicKey {
public SignaturePublicKey(byte[] encoded) {
super(encoded);
if (encoded.length == 0 ||
encoded.length > MAX_SIGNATURE_PUBLIC_KEY_BYTES) {
throw new IllegalArgumentException();
}
}
@Override
public String getKeyType() {
return KEY_TYPE_SIGNATURE;
}
@Override
public byte[] getEncoded() {
return getBytes();
}
}