22 lines
801 B
Kotlin
22 lines
801 B
Kotlin
// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package openpgp
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/** Format this Long as an OpenPGP key-ID (16 digit uppercase hex number). */
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fun Long.openPgpKeyId(): String {
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return String.format("%016X", this).uppercase()
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}
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/** Parse a Long form a 16 digit hex encoded OpenPgp key-ID. */
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fun Long.Companion.fromOpenPgpKeyId(hexKeyId: String): Long {
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require("^[0-9A-Fa-f]{16}$".toRegex().matches(hexKeyId)) {
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"Provided long key-id does not match expected format. " +
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"A long key-id consists of 16 hexadecimal characters."
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}
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// Calling toLong() only fails with a NumberFormatException.
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// Therefore, we call toULong(16).toLong(), which seems to work.
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return hexKeyId.toULong(16).toLong()
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}
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