NIFI-12094 Remove EncryptContent and CryptographicHashAttribute

[exceptionfactory]

Summary

NIFI-12094 Removes the deprecated EncryptContent and CryptographicHashAttribute Processors from the main branch.

NIFI-11184 deprecated CryptographicHashAttribute in NiFi 1.21.0 and
NIFI-12093 deprecated EncryptContent for NiFi 1.24.0.

Attribute hashing can be implemented using UpdateAttribute with the hash Expression Language function.

The EncryptContentPGP and EncryptContentAge Processors provide better alternatives for encrypting new files according to standard formatting. The DecryptContent and DecryptContentCompatibility Processors support deciphering historical files encrypted using EncryptContent custom encoding.

Additional changes include removing the CipherProvider interface and implementations from nifi-security-utils.

Tracking

Please complete the following tracking steps prior to pull request creation.

Issue Tracking

• Apache NiFi Jira issue created

Pull Request Tracking

• Pull Request title starts with Apache NiFi Jira issue number, such as NIFI-00000
• Pull Request commit message starts with Apache NiFi Jira issue number, as such NIFI-00000

Pull Request Formatting

• Pull Request based on current revision of the main branch
• Pull Request refers to a feature branch with one commit containing changes

Verification

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Build

• Build completed using mvn clean install -P contrib-check
  • JDK 21

Licensing

• New dependencies are compatible with the Apache License 2.0 according to the License Policy
• New dependencies are documented in applicable LICENSE and NOTICE files

Documentation

• Documentation formatting appears as expected in rendered files