Class OpenSSLCipherConfigurationParser

java.lang.Object
org.apache.tomcat.util.net.openssl.ciphers.OpenSSLCipherConfigurationParser
public class OpenSSLCipherConfigurationParser extends Object
Class in charge with parsing openSSL expressions to define a list of ciphers.

  • Constructor Details

    • OpenSSLCipherConfigurationParser

      public OpenSSLCipherConfigurationParser()
      Constructs an OpenSSLCipherConfigurationParser.

  • Method Details

    • parse

      public static LinkedHashSet<Cipher> parse(String expression)
      Parses an OpenSSL cipher expression into a set of ciphers.
      Parameters:
      expression - The cipher expression to parse
      Returns:
      The set of matching ciphers

    • convertForJSSE

      public static List<String> convertForJSSE(Collection<Cipher> ciphers)
      Converts a collection of OpenSSL ciphers to their JSSE names.
      Parameters:
      ciphers - The OpenSSL ciphers to convert
      Returns:
      The list of JSSE cipher names

    • isTls13Cipher

      public static boolean isTls13Cipher(String cipherSuiteName)
      Determines if the provided name is the name of a TLS 1.3 cipher suite.
      Parameters:
      cipherSuiteName - The name to test
      Returns:
      true if the provided String is recognised as the name of a TLS 1.3 cipherSuite.

    • parseExpression

      public static List<String> parseExpression(String expression)
      Parse the specified expression according to the OpenSSL syntax and returns a list of standard JSSE cipher names.
      Parameters:
      expression - the openssl expression to define a list of cipher.
      Returns:
      the corresponding list of ciphers.

    • jsseToOpenSSL

      public static String jsseToOpenSSL(String jsseCipherName)
      Converts a JSSE cipher name to an OpenSSL cipher name.
      Parameters:
      jsseCipherName - The JSSE name for a cipher
      Returns:
      The OpenSSL name for the specified JSSE cipher

    • openSSLToJsse

      public static String openSSLToJsse(String opensslCipherName)
      Converts an OpenSSL cipher name to a JSSE cipher name.
      Parameters:
      opensslCipherName - The OpenSSL name for a cipher
      Returns:
      The JSSE name for the specified OpenSSL cipher. If none is known, the IANA standard name will be returned instead

    • usage

      public static void usage()
      Prints usage information for the command-line tool.

    • main

      public static void main(String[] args) throws Exception
      Main entry point for the cipher configuration parser tool.
      Parameters:
      args - Command line arguments
      Throws:
      Exception - if an error occurs