On Fri, 13 Dec 2024 15:10:15 GMT, Weijun Wang <wei...@openjdk.org> wrote:

>> Traditionally, an asymmetric key has a key size. The size is displayed by 
>> `keytool` and `jarsigner`, both in informational output and weak-key 
>> warnings. However, for the recently added ML-DSA algorithm, key size is not 
>> defined.
>> 
>> Thus when an ML-DSA key is created, `keytool` shows
>> 
>> Generating -1 bit ML-DSA-65 key pair...
>> 
>> When the entry is being displayed by `keytool -list -v`, it shows
>> 
>> Subject Public Key Algorithm: -1-bit ML-DSA-65 key
>> 
>> If the algorithm is disabled, `keytool -list` shows
>> 
>> <x> uses a -1-bit ML-DSA-65 key which is considered a security risk...
>> 
>> Furthermore, if a JAR file is signed by ML-DSA, `jarsigner -verify` also 
>> shows
>> 
>> Signature algorithm: ML-DSA-65, unknown size
>> 
>> or when the algorithm is disabled, it shows
>> 
>> Signature algorithm: ML-DSA-65, -1-bit key (disabled)
>> The ML-DSA-65 signing key has a keysize of -1 which is considered a security 
>> risk.
>> 
>> 
>> With this code change, a key can either has a key size, or characterized by 
>> a `NamedParameterSpec`, and the display chooses one of them.
>> 
>> One special case is EC keys, which have both a keysize and a 
>> `NamedParameterSpec`. Both are displayed.
>
> Weijun Wang has updated the pull request incrementally with one additional 
> commit since the last revision:
> 
>   no more combined output

src/java.base/share/classes/sun/security/tools/keytool/Main.java line 2074:

> 2072:      * Note: the same method appears in keytool and jarsigner which uses
> 2073:      * same resource string defined in their own Resources.java.
> 2074:      *

This method appears in both keytool and jarsigner as documented here. Can we 
define a common method in KeyUtil class, which can return "size" and "alg", in 
order for its caller to construct its display?

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/22735#discussion_r1909323342

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