RFR: 8360564: Implement JEP 524: PEM Encodings of Cryptographic Objects (Second Preview) [v6]

[Weijun Wang]

On Mon, 13 Oct 2025 17:22:25 GMT, Anthony Scarpino <ascarpino at openjdk.org> wrote:

>> Hi
>> 
>> Please review the [Second Preview](https://openjdk.org/jeps/8360563) for the PEM API.  The most significant changes from [JEP 470](https://openjdk.org/jeps/470) are:
>> 
>> - Renamed the name of `PEMRecord` class to `PEM`.
>> - Revised the new `encryptKey` methods of the `EncryptedPrivateKeyInfo` class to accept `DEREncodable` objects rather than just `PrivateKey` objects so that cryptographic objects with public keys, i.e., `KeyPair` and `PKCS8EncodedKeySpec`, can also be encrypted.
>> - Enhanced the `PEMEncoder` and `PEMDecoder` classes to support the encryption and decryption of `KeyPair` and `PKCS8EncodedKeySpec` objects.
>> 
>> thanks
>> 
>> Tony
>
> Anthony Scarpino has updated the pull request incrementally with one additional commit since the last revision:
> 
>   updates

src/java.base/share/classes/java/security/PEMDecoder.java line 84:

> 82:  *  <li>ENCRYPTED PRIVATE KEY : {@code PublicKey} (If configured with
> 83:  *  decryption, the encoding contains a public key, and is passed as a
> 84:  *  {@code Class} parameter)</li>

If it can be decoded into `PublicKey` then it can also be decoded into an `X509EncodedKeySpec`.

Shall we create sub-bullets or even a table to describe different outputs for the same type?

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PR Review Comment: https://git.openjdk.org/jdk/pull/27147#discussion_r2448820835