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Code Issues Releases Wiki Activity

Use smart hash algorithm policy as default revocation hash policy

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This commit is contained in:
Paul Schaub 2022-04-22 23:06:40 +02:00
parent 6c983d66e0
commit 9b8cf37dd1
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
1 changed files with 1 additions and 27 deletions
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pgpainless-core/src/main/java/org/pgpainless/policy/Policy.java
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@ -468,33 +468,7 @@ public final class Policy {
* @return default revocation signature hash algorithm policy
*/
public static HashAlgorithmPolicy defaultRevocationSignatureHashAlgorithmPolicy() {
return smartRevocationSignatureHashAlgorithmPolicy();
}
/**
* Revocation Signature {@link HashAlgorithmPolicy} which takes the date of the algorithm usage
* into consideration.
* If the policy has a termination date for a given algorithm, and the usage date is after that termination
* date, the algorithm is rejected.
*
* This policy is inspired by Sequoia-PGP's collision resistant algorithm policy.
*
* @see <a href="https://gitlab.com/sequoia-pgp/sequoia/-/blob/main/openpgp/src/policy.rs#L604">
* Sequoia-PGP's Collision Resistant Algorithm Policy</a>
*
* @return smart signature revocation algorithm policy
*/
public static HashAlgorithmPolicy smartRevocationSignatureHashAlgorithmPolicy() {
Map<HashAlgorithm, Date> algorithmDateMap = new HashMap<>();
algorithmDateMap.put(HashAlgorithm.SHA1, DateUtil.parseUTCDate("2013-02-01 00:00:00 UTC"));
algorithmDateMap.put(HashAlgorithm.RIPEMD160, DateUtil.parseUTCDate("2013-02-01 00:00:00 UTC"));
algorithmDateMap.put(HashAlgorithm.SHA224, null);
algorithmDateMap.put(HashAlgorithm.SHA256, null);
algorithmDateMap.put(HashAlgorithm.SHA384, null);
algorithmDateMap.put(HashAlgorithm.SHA512, null);
return new HashAlgorithmPolicy(HashAlgorithm.SHA512, algorithmDateMap);
return smartSignatureHashAlgorithmPolicy();
}
/**