Package org.wildfly.security.asn1

Class ASN1

java.lang.Object
org.wildfly.security.asn1.ASN1
public class ASN1 extends Object
A class that contains ASN.1 constants and utilities.
Author:
Farah Juma

  • Field Details

    • BOOLEAN_TYPE

      public static final int BOOLEAN_TYPE
      The universal boolean type tag.
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    • INTEGER_TYPE

      public static final int INTEGER_TYPE
      The universal integer type tag.
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    • BIT_STRING_TYPE

      public static final int BIT_STRING_TYPE
      The universal bit string type tag.
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    • OCTET_STRING_TYPE

      public static final int OCTET_STRING_TYPE
      The universal octet string type tag.
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    • NULL_TYPE

      public static final int NULL_TYPE
      The universal null type tag.
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    • OBJECT_IDENTIFIER_TYPE

      public static final int OBJECT_IDENTIFIER_TYPE
      The universal object identifier type tag.
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    • UTF8_STRING_TYPE

      public static final int UTF8_STRING_TYPE
      The universal UTF-8 string type tag.
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    • PRINTABLE_STRING_TYPE

      public static final int PRINTABLE_STRING_TYPE
      The universal printable string type tag.
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    • IA5_STRING_TYPE

      public static final int IA5_STRING_TYPE
      The universal IA5 string type tag.
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    • GENERALIZED_TIME_TYPE

      public static final int GENERALIZED_TIME_TYPE
      A type for representing timestamps.
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    • UNIVERSAL_STRING_TYPE

      public static final int UNIVERSAL_STRING_TYPE
      The universal (UTF-32 big-endian) string type tag.
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    • BMP_STRING_TYPE

      public static final int BMP_STRING_TYPE
      The universal BMP (UTF-16 big-endian) string type tag.
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    • SEQUENCE_TYPE

      public static final int SEQUENCE_TYPE
      The universal sequence type tag.
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    • SET_TYPE

      public static final int SET_TYPE
      The universal set type tag.
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    • CONSTRUCTED_MASK

      public static final int CONSTRUCTED_MASK
      Mask used to determine if a type tag is constructed.
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    • APPLICATION_SPECIFIC_MASK

      public static final int APPLICATION_SPECIFIC_MASK
      Mask used to determine if a type tag is application-specific.
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    • CONTEXT_SPECIFIC_MASK

      public static final int CONTEXT_SPECIFIC_MASK
      Mask used to determine if a type tag is context-specific.
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    • CLASS_MASK

      public static final int CLASS_MASK
      Mask used to obtain the class bits from a type tag.
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    • TAG_NUMBER_MASK

      public static final int TAG_NUMBER_MASK
      Mask used to obtain the tag number bits from a type tag.
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    • OID_SHA1_WITH_DSA

      public static final String OID_SHA1_WITH_DSA
      Object identifier for the SHA1 with DSA signature algorithm.
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    • OID_SHA256_WITH_DSA

      public static final String OID_SHA256_WITH_DSA
      Object identifier for the SHA256 with DSA signature algorithm.
      Since:
      1.2.0
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    • OID_SHA1_WITH_ECDSA

      public static final String OID_SHA1_WITH_ECDSA
      Object identifier for the SHA1 with ECDSA signature algorithm.
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    • OID_SHA224_WITH_ECDSA

      public static final String OID_SHA224_WITH_ECDSA
      Object identifier for the SHA-225 with ECDSA signature algorithm.
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    • OID_SHA256_WITH_ECDSA

      public static final String OID_SHA256_WITH_ECDSA
      Object identifier for the SHA-256 with ECDSA signature algorithm.
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    • OID_SHA384_WITH_ECDSA

      public static final String OID_SHA384_WITH_ECDSA
      Object identifier for the SHA-384 with ECDSA signature algorithm.
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    • OID_SHA512_WITH_ECDSA

      public static final String OID_SHA512_WITH_ECDSA
      Object identifier for the SHA-512 with ECDSA signature algorithm.
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    • OID_MD2_WITH_RSA

      public static final String OID_MD2_WITH_RSA
      Object identifier for the MD2 with RSA signature algorithm.
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    • OID_MD4_WITH_RSA

      public static final String OID_MD4_WITH_RSA
      Object identifier for the MD4 with RSA signature algorithm.
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    • OID_MD5_WITH_RSA

      public static final String OID_MD5_WITH_RSA
      Object identifier for the MD5 with RSA signature algorithm.
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    • OID_SHA1_WITH_RSA

      public static final String OID_SHA1_WITH_RSA
      Object identifier for the SHA1 with RSA signature algorithm.
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    • OID_SHA256_WITH_RSA

      public static final String OID_SHA256_WITH_RSA
      Object identifier for the SHA-256 with RSA signature algorithm.
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    • OID_SHA384_WITH_RSA

      public static final String OID_SHA384_WITH_RSA
      Object identifier for the SHA-384 with RSA signature algorithm.
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    • OID_SHA512_WITH_RSA

      public static final String OID_SHA512_WITH_RSA
      Object identifier for the SHA-512 with RSA signature algorithm.
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    • OID_EXTENSION_REQUEST

      public static final String OID_EXTENSION_REQUEST
      Object identifier for the PKCS #9 extensionRequest attribute.
      Since:
      1.2.0
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    • OID_MD2

      public static final String OID_MD2
      Object identifier for the MD2 hash algorithm.
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    • OID_MD5

      public static final String OID_MD5
      Object identifier for the MD5 hash algorithm.
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    • OID_SHA1

      public static final String OID_SHA1
      Object identifier for the SHA1 hash algorithm.
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    • OID_RSA

      public static final String OID_RSA
      Algorithm ID for RSA keys used for any purpose.
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    • OID_DSA

      public static final String OID_DSA
      Algorithm ID for DSA keys used for any purpose.
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    • OID_EC

      public static final String OID_EC
      Algorithm ID for EC keys used for any purpose.
      See Also:

  • Constructor Details

    • ASN1

      public ASN1()

  • Method Details

    • formatAsn1

      public static String formatAsn1(ASN1Decoder decoder)
      Format an AS.1 string from the given decoder as a string.
      Parameters:
      decoder - the ASN.1 decoder
      Returns:
      the formatted string

    • formatAsn1

      public static void formatAsn1(ASN1Decoder decoder, StringBuilder builder)
      Format an ASN.1 string from the given decoder as a string.
      Parameters:
      decoder - the ASN.1 decoder
      builder - the target string builder

    • keyAlgorithmFromOid

      public static String keyAlgorithmFromOid(String oid)
      Resolves a key algorithm based on a given oid.
      Parameters:
      oid - an ASN.1 object identifier or OID (not null)
      Returns:
      the string representing the key algorithm or null if no algorithm could be resolved for the given OID

    • oidFromSignatureAlgorithm

      public static String oidFromSignatureAlgorithm(String algorithmName)

    • signatureAlgorithmFromOid

      public static String signatureAlgorithmFromOid(String oid)

    • validatePrintableByte

      public static void validatePrintableByte(int b) throws ASN1Exception
      Throws:
      ASN1Exception