> This enhancement introduces a new security property > "jdk.crypto.disabledAlgorithms" which can be leveraged to disable algorithms > for JCE/JCA crypto services. For now, only Cipher, KeyStore, MessageDigest, > and Signature services support this new security property. The support can be > expanded later to cover more services if needed. Note that this security > property is meant to disable algorithms irrespective of providers. If the > algorithm is found to be disabled, it will be rejected before reaching out to > provider(s) for the corresponding implementation(s). > > A few implementation notes: > 1) The specified security property value is lazily loaded and all changes > after it's been loaded are ignored. Invalid entries, e.g. wrong syntax, are > ignored and removed. The algorithm name check is case-insensitive. If a > disabled algorithm is known to has an object identifier (oid) by JDK, this > oid and its aliases is also added to the disabled services. > 2) The algorithm name checking impl is based on the > sun.security.util.AlgorithmConstraints class, but without the decomposing and > different constraints. > 3) The hardwiring of NONEwithRSA signature to RSA/ECB/PKCS1Padding cipher in > java.security.Signature class is removed. Instead, this is moved to the > provider level, i.e. SunJCE and SunPKCS11 provider are changed to claim the > NONEwithRSA signature support. Disabling one will not affect the other. > > CSR will be filed once the review is wrapping up. > > Thanks~ > Valerie
Valerie Peng has updated the pull request incrementally with two additional commits since the last revision: - Add a public static final constant for the property name. - Address more review comments from Sean and Artur. ------------- Changes: - all: https://git.openjdk.org/jdk/pull/26377/files - new: https://git.openjdk.org/jdk/pull/26377/files/d4f892fc..c9bf72f4 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=26377&range=04 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=26377&range=03-04 Stats: 60 lines in 8 files changed: 23 ins; 7 del; 30 mod Patch: https://git.openjdk.org/jdk/pull/26377.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/26377/head:pull/26377 PR: https://git.openjdk.org/jdk/pull/26377
