How can I list the available Cipher algorithms?
I am getting a Cipher implementation with Cipher.getInstance(String algorithm). I am under the impression that the available algorithm names that I may pass di
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To get a list of available cipher transformation names, use this code snippet:
TreeSetalgs = new TreeSet<>(); for (Provider provider : Security.getProviders()) { provider.getServices().stream() .filter(s -> "Cipher".equals(s.getType())) .map(Service::getAlgorithm) .forEach(algs::add); } algs.stream().forEach(System.out::println); Those names are compatible to be called via
Cipher.getInstance(). If an entry is missing the feedback mode or padding scheme, the JVM will fallback to the corresponding default.AES AESWrap AESWrap_128 AESWrap_192 AESWrap_256 AES_128/CBC/NoPadding AES_128/CFB/NoPadding AES_128/ECB/NoPadding AES_128/GCM/NoPadding AES_128/OFB/NoPadding AES_192/CBC/NoPadding AES_192/CFB/NoPadding AES_192/ECB/NoPadding AES_192/GCM/NoPadding AES_192/OFB/NoPadding AES_256/CBC/NoPadding AES_256/CFB/NoPadding AES_256/ECB/NoPadding AES_256/GCM/NoPadding AES_256/OFB/NoPadding ARCFOUR Blowfish ChaCha20 ChaCha20-Poly1305 DES DESede DESedeWrap PBEWithHmacSHA1AndAES_128 PBEWithHmacSHA1AndAES_256 PBEWithHmacSHA224AndAES_128 PBEWithHmacSHA224AndAES_256 PBEWithHmacSHA256AndAES_128 PBEWithHmacSHA256AndAES_256 PBEWithHmacSHA384AndAES_128 PBEWithHmacSHA384AndAES_256 PBEWithHmacSHA512AndAES_128 PBEWithHmacSHA512AndAES_256 PBEWithMD5AndDES PBEWithMD5AndTripleDES PBEWithSHA1AndDESede PBEWithSHA1AndRC2_128 PBEWithSHA1AndRC2_40 PBEWithSHA1AndRC4_128 PBEWithSHA1AndRC4_40 RC2 RSA RSA/ECB/PKCS1Paddingsee also JDK doc cipher algorithm names
To get a list of available TLS cipher suites, use this one-liner:
$ jrunscript -e "java.util.Arrays.asList(javax.net.ssl.SSLServerSocketFactory.getDefault().getSupportedCipherSuites()).stream().forEach(println)"Which outputs for JDK11:
TLS_AES_128_GCM_SHA256 TLS_AES_256_GCM_SHA384 TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 TLS_RSA_WITH_AES_256_GCM_SHA384 TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 TLS_DHE_DSS_WITH_AES_256_GCM_SHA384 TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 TLS_RSA_WITH_AES_128_GCM_SHA256 TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 TLS_DHE_DSS_WITH_AES_128_GCM_SHA256 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 TLS_RSA_WITH_AES_256_CBC_SHA256 TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA TLS_RSA_WITH_AES_256_CBC_SHA TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA TLS_ECDH_RSA_WITH_AES_256_CBC_SHA TLS_DHE_RSA_WITH_AES_256_CBC_SHA TLS_DHE_DSS_WITH_AES_256_CBC_SHA TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 TLS_RSA_WITH_AES_128_CBC_SHA256 TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA TLS_RSA_WITH_AES_128_CBC_SHA TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA TLS_ECDH_RSA_WITH_AES_128_CBC_SHA TLS_DHE_RSA_WITH_AES_128_CBC_SHA TLS_DHE_DSS_WITH_AES_128_CBC_SHA
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