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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteApache Commons Crypto is a Java library for AES encryption and decryption that can use OpenSSL through JNI or fall back to the Java Cryptography Extension (JCE). Its aim is faster cryptography, not a new AES implementation. The project’s documented release is 1.2.0, identified on Apache’s pages dated January 23, 2023; check the official download page for the version currently offered before adding it to a project.
What is Apache Commons Crypto?
Commons Crypto is an open-source Apache Java library with both cipher-level and stream-level APIs. It provides a Java-facing way to encrypt and decrypt data while selecting an underlying implementation suited to the runtime environment. Apache describes its native implementation as JNI-based and intended to deliver performance comparable to native C/C++ code using OpenSSL. Apache Commons Crypto overview
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It is useful when an application needs AES operations or stream encryption without binding its application code directly to a single provider. It is not a general-purpose cryptography suite: the documented focus is AES encryption and decryption.
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No. Commons Crypto wraps existing cryptographic providers rather than implementing the AES algorithm itself. Depending on the environment and configuration, it uses OpenSSL through native code or JCE. That distinction matters: performance and deployment requirements depend on the selected provider, available hardware acceleration, and operating system, while cryptographic correctness ultimately relies on the underlying implementation. Apache user guide
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How its APIs handle encryption
Cipher operations
The cipher API exposes lower-level encryption and decryption operations. This is the more direct option when an application already manages its own buffers, data framing, or surrounding protocol.
Stream operations
The stream API wraps Java input and output streams. Data written through an encryption output stream is encrypted; data read through a decryption input stream is decrypted. Documented classes include CryptoInputStream, CTRCryptoInputStream, PositionedCryptoInputStream, CryptoOutputStream, and CTRCryptoOutputStream. Choose the stream abstraction when it fits the application’s I/O flow, and the cipher API when lower-level control is needed.
Random numbers
CryptoRandom supplies cryptographically strong random numbers. The guide says the default implementation can use Intel DRNG, where available. Hardware support is a runtime consideration, not a guarantee that every machine will use the same source.
Is Commons Crypto faster than JCE?
Apache’s project summary reports throughput of 1,400–1,700 MB/s on modern Xeon processors. This is an Apache-stated figure, not an independently documented benchmark with a published test protocol, so it should not be treated as a performance guarantee for a different processor, workload, provider, or deployment. Apache Commons Crypto overview
The archived ApacheCon session description says the library “outperformed JCE by an order of magnitude,” attributing the result to hardware acceleration and the optimized native implementation. The description does not give a benchmark protocol, so the statement is a historical presentation claim rather than a universal comparison. ApacheCon session archive
In practice, compare the provider (OpenSSL or JCE), cipher versus stream API, AES-NI availability, workload, and deployment constraints. Benchmark your own application on its target hardware before choosing based on speed alone.
Requirements and supported platforms
- Java: Apache’s guide documents JDK 1.8 or later.
- OpenSSL: The guide specifies OpenSSL 1.1.1 for production deployment.
- Operating systems: Apache lists Linux, macOS, and Windows as supported.
The implementation selects native libraries according to machine properties such as os.name and os.arch. Consequently, an application using the native path must account for the target platform and its OpenSSL deployment; the existence of a Java API does not remove native compatibility requirements. Apache user guide
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Adding Commons Crypto to a Maven project
Apache’s guide shows this dependency using version 1.1.0:
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<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-crypto</artifactId>
<version>1.1.0</version>
</dependency>Because the guide’s example version differs from the 1.2.0 release identified by Apache’s overview and download pages, confirm the version you intend to use on the official download page rather than copying the example blindly. Apache offers 1.2.0 Java 8 binary and source archives and recommends verifying downloads with PGP signatures, or SHA-512 checksums when necessary. Apache Commons Crypto downloads
Is Apache Commons Crypto still maintained?
Apache’s overview and download pages identify 1.2.0 as the project release and are dated January 23, 2023. That establishes the release presented on those pages, but does not by itself establish later release activity. Check the official project pages and mailing list for current activity before adopting the library in a new system, especially where ongoing security updates are a requirement. Project overview · Downloads
For security concerns, Apache directs users to its Commons security reporting process and the public user mailing list. Apache states that it does not provide binary patches; users who need a source-code mitigation must follow the component’s build instructions. Apache Commons Crypto security
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What does “Another Wheel of Apache Commons” mean?
“Apache Commons Crypto: Another Wheel of Apache Commons” is the title of a 2017 ApacheCon session by Xianda Ke, archived by Apache PlusOne on March 16, 2017. In context, “another wheel” refers to adding a new library to the Apache Commons family: the presentation covered the project’s origins, community improvements, encryption acceleration, and future plans. It is a session title, not a formal claim that Commons Crypto replaces Java’s cryptography APIs or implements AES from scratch. ApacheCon session archive
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