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Kotlin conversion: EdDSA

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This commit is contained in:
Paul Schaub 2023-09-07 15:08:51 +02:00
parent 8f49b01d51
commit 4382c1f20e
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
3 changed files with 21 additions and 58 deletions
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50
pgpainless-core/src/main/java/org/pgpainless/key/generation/type/eddsa/EdDSA.java
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// SPDX-FileCopyrightText: 2020 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.key.generation.type.eddsa;
import java.security.spec.AlgorithmParameterSpec;
import org.bouncycastle.jce.spec.ECNamedCurveGenParameterSpec;
import org.pgpainless.algorithm.PublicKeyAlgorithm;
import org.pgpainless.key.generation.type.KeyType;
/**
* Edwards-curve Digital Signature Algorithm (EdDSA).
*
* @see <a href="https://datatracker.ietf.org/doc/draft-koch-eddsa-for-openpgp/">EdDSA for OpenPGP</a>
*/
public final class EdDSA implements KeyType {
private final EdDSACurve curve;
private EdDSA(EdDSACurve curve) {
this.curve = curve;
}
public static EdDSA fromCurve(EdDSACurve curve) {
return new EdDSA(curve);
}
@Override
public String getName() {
return "EdDSA";
}
@Override
public PublicKeyAlgorithm getAlgorithm() {
return PublicKeyAlgorithm.EDDSA;
}
@Override
public int getBitStrength() {
return curve.getBitStrength();
}
@Override
public AlgorithmParameterSpec getAlgorithmSpec() {
return new ECNamedCurveGenParameterSpec(curve.getName());
}
}

8
pgpainless-core/src/main/java/org/pgpainless/key/generation/type/eddsa/package-info.java
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// SPDX-FileCopyrightText: 2020 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
/**
* Classes related to EdDSA.
*/
package org.pgpainless.key.generation.type.eddsa;

21
pgpainless-core/src/main/kotlin/org/pgpainless/key/generation/type/eddsa/EdDSA.kt Normal file
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// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.key.generation.type.eddsa
import org.bouncycastle.jce.spec.ECNamedCurveGenParameterSpec
import org.pgpainless.algorithm.PublicKeyAlgorithm
import org.pgpainless.key.generation.type.KeyType
class EdDSA private constructor(val curve: EdDSACurve) : KeyType {
override val name = "EdDSA"
override val algorithm = PublicKeyAlgorithm.EDDSA
override val bitStrength = curve.bitStrength
override val algorithmSpec = ECNamedCurveGenParameterSpec(curve.curveName)
companion object {
@JvmStatic
fun fromCurve(curve: EdDSACurve) = EdDSA(curve)
}
}