pgpainless/pgpainless-core/src/main/java/org/pgpainless/algorithm/OpenPgpPacket.java

72 lines
1.8 KiB
Java

// SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.algorithm;
import org.bouncycastle.bcpg.PacketTags;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.HashMap;
import java.util.Map;
import java.util.NoSuchElementException;
public enum OpenPgpPacket {
PKESK(PacketTags.PUBLIC_KEY_ENC_SESSION),
SIG(PacketTags.SIGNATURE),
SKESK(PacketTags.SYMMETRIC_KEY_ENC_SESSION),
OPS(PacketTags.ONE_PASS_SIGNATURE),
SK(PacketTags.SECRET_KEY),
PK(PacketTags.PUBLIC_KEY),
SSK(PacketTags.SECRET_SUBKEY),
COMP(PacketTags.COMPRESSED_DATA),
SED(PacketTags.SYMMETRIC_KEY_ENC),
MARKER(PacketTags.MARKER),
LIT(PacketTags.LITERAL_DATA),
TRUST(PacketTags.TRUST),
UID(PacketTags.USER_ID),
PSK(PacketTags.PUBLIC_SUBKEY),
UATTR(PacketTags.USER_ATTRIBUTE),
SEIPD(PacketTags.SYM_ENC_INTEGRITY_PRO),
MDC(PacketTags.MOD_DETECTION_CODE),
EXP_1(PacketTags.EXPERIMENTAL_1),
EXP_2(PacketTags.EXPERIMENTAL_2),
EXP_3(PacketTags.EXPERIMENTAL_3),
EXP_4(PacketTags.EXPERIMENTAL_4),
;
static final Map<Integer, OpenPgpPacket> MAP = new HashMap<>();
static {
for (OpenPgpPacket p : OpenPgpPacket.values()) {
MAP.put(p.getTag(), p);
}
}
final int tag;
@Nullable
public static OpenPgpPacket fromTag(int tag) {
return MAP.get(tag);
}
@Nonnull
public static OpenPgpPacket requireFromTag(int tag) {
OpenPgpPacket p = fromTag(tag);
if (p == null) {
throw new NoSuchElementException("No OpenPGP packet known for tag " + tag);
}
return p;
}
OpenPgpPacket(int tag) {
this.tag = tag;
}
int getTag() {
return tag;
}
}