http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
public class org.bouncycastle.crypto.util.AlgorithmIdentifierFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.crypto.util.AlgorithmIdentifierFactory
  super_class: java.lang.Object
{
  static final org.bouncycastle.asn1.ASN1ObjectIdentifier IDEA_CBC;
    descriptor: Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  static final org.bouncycastle.asn1.ASN1ObjectIdentifier CAST5_CBC;
    descriptor: Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  private static final short[] rc2Table;
    descriptor: [S
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 27
            new org.bouncycastle.asn1.ASN1ObjectIdentifier
            dup
            ldc "1.3.6.1.4.1.188.7.1.1.2"
            invokespecial org.bouncycastle.asn1.ASN1ObjectIdentifier.<init>:(Ljava/lang/String;)V
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.intern:()Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            putstatic org.bouncycastle.crypto.util.AlgorithmIdentifierFactory.IDEA_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
         1: .line 28
            new org.bouncycastle.asn1.ASN1ObjectIdentifier
            dup
            ldc "1.2.840.113533.7.66.10"
            invokespecial org.bouncycastle.asn1.ASN1ObjectIdentifier.<init>:(Ljava/lang/String;)V
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.intern:()Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            putstatic org.bouncycastle.crypto.util.AlgorithmIdentifierFactory.CAST5_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
         2: .line 30
            sipush 256
            newarray 9
            dup
            iconst_0
         3: .line 31
            sipush 189
            sastore
            dup
            iconst_1
            bipush 86
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            iconst_2
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         4: .line 32
            bipush 48
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            iconst_4
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         5: .line 33
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            sipush 195
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         6: .line 34
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         7: .line 35
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         8: .line 36
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         9: .line 37
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        10: .line 38
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        11: .line 39
            bipush 58
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            dup
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            dup
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            bipush 107
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            dup
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            iconst_3
            sastore
            dup
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            dup
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            dup
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        12: .line 40
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            iconst_5
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            iconst_2
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            dup
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        13: .line 41
            bipush 24
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        14: .line 42
            sipush 180
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            dup
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            iconst_1
            sastore
            dup
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            sipush 226
            sastore
            dup
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        15: .line 43
            bipush 22
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        16: .line 44
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        17: .line 45
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        18: .line 46
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        19: .line 30
            putstatic org.bouncycastle.crypto.util.AlgorithmIdentifierFactory.rc2Table:[S
        20: .line 47
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.crypto.util.AlgorithmIdentifierFactory this
         0: .line 22
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 25
            return
        end local 0 // org.bouncycastle.crypto.util.AlgorithmIdentifierFactory this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/bouncycastle/crypto/util/AlgorithmIdentifierFactory;

  public static org.bouncycastle.asn1.x509.AlgorithmIdentifier generateEncryptionAlgID(org.bouncycastle.asn1.ASN1ObjectIdentifier, int, java.security.SecureRandom);
    descriptor: (Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;ILjava/security/SecureRandom;)Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=6, locals=5, args_size=3
        start local 0 // org.bouncycastle.asn1.ASN1ObjectIdentifier encryptionOID
        start local 1 // int keySize
        start local 2 // java.security.SecureRandom random
         0: .line 61
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes128_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifne 7
         1: .line 62
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes192_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifne 7
         2: .line 63
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes256_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifne 7
         3: .line 64
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.asn1.ntt.NTTObjectIdentifiers.id_camellia128_cbc:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifne 7
         4: .line 65
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.asn1.ntt.NTTObjectIdentifiers.id_camellia192_cbc:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifne 7
         5: .line 66
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.asn1.ntt.NTTObjectIdentifiers.id_camellia256_cbc:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifne 7
         6: .line 67
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.asn1.kisa.KISAObjectIdentifiers.id_seedCBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifeq 10
         7: .line 69
      StackMap locals:
      StackMap stack:
            bipush 16
            newarray 8
            astore 3 /* iv */
        start local 3 // byte[] iv
         8: .line 71
            aload 2 /* random */
            aload 3 /* iv */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
         9: .line 73
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
            aload 0 /* encryptionOID */
            new org.bouncycastle.asn1.DEROctetString
            dup
            aload 3 /* iv */
            invokespecial org.bouncycastle.asn1.DEROctetString.<init>:([B)V
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Lorg/bouncycastle/asn1/ASN1Encodable;)V
            areturn
        end local 3 // byte[] iv
        10: .line 75
      StackMap locals:
      StackMap stack:
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.des_EDE3_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifne 13
        11: .line 76
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.crypto.util.AlgorithmIdentifierFactory.IDEA_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifne 13
        12: .line 77
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.asn1.oiw.OIWObjectIdentifiers.desCBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifeq 16
        13: .line 79
      StackMap locals:
      StackMap stack:
            bipush 8
            newarray 8
            astore 3 /* iv */
        start local 3 // byte[] iv
        14: .line 81
            aload 2 /* random */
            aload 3 /* iv */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
        15: .line 83
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
            aload 0 /* encryptionOID */
            new org.bouncycastle.asn1.DEROctetString
            dup
            aload 3 /* iv */
            invokespecial org.bouncycastle.asn1.DEROctetString.<init>:([B)V
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Lorg/bouncycastle/asn1/ASN1Encodable;)V
            areturn
        end local 3 // byte[] iv
        16: .line 85
      StackMap locals:
      StackMap stack:
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.crypto.util.AlgorithmIdentifierFactory.CAST5_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifeq 21
        17: .line 87
            bipush 8
            newarray 8
            astore 3 /* iv */
        start local 3 // byte[] iv
        18: .line 89
            aload 2 /* random */
            aload 3 /* iv */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
        19: .line 91
            new org.bouncycastle.asn1.misc.CAST5CBCParameters
            dup
            aload 3 /* iv */
            iload 1 /* keySize */
            invokespecial org.bouncycastle.asn1.misc.CAST5CBCParameters.<init>:([BI)V
            astore 4 /* cbcParams */
        start local 4 // org.bouncycastle.asn1.misc.CAST5CBCParameters cbcParams
        20: .line 93
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
            aload 0 /* encryptionOID */
            aload 4 /* cbcParams */
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Lorg/bouncycastle/asn1/ASN1Encodable;)V
            areturn
        end local 4 // org.bouncycastle.asn1.misc.CAST5CBCParameters cbcParams
        end local 3 // byte[] iv
        21: .line 95
      StackMap locals:
      StackMap stack:
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.rc4:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifeq 23
        22: .line 97
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.asn1.DERNull.INSTANCE:Lorg/bouncycastle/asn1/DERNull;
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Lorg/bouncycastle/asn1/ASN1Encodable;)V
            areturn
        23: .line 99
      StackMap locals:
      StackMap stack:
            aload 0 /* encryptionOID */
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.RC2_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifeq 28
        24: .line 101
            bipush 8
            newarray 8
            astore 3 /* iv */
        start local 3 // byte[] iv
        25: .line 103
            aload 2 /* random */
            aload 3 /* iv */
            invokevirtual java.security.SecureRandom.nextBytes:([B)V
        26: .line 105
            new org.bouncycastle.asn1.pkcs.RC2CBCParameter
            dup
            getstatic org.bouncycastle.crypto.util.AlgorithmIdentifierFactory.rc2Table:[S
            sipush 128
            saload
            aload 3 /* iv */
            invokespecial org.bouncycastle.asn1.pkcs.RC2CBCParameter.<init>:(I[B)V
            astore 4 /* cbcParams */
        start local 4 // org.bouncycastle.asn1.pkcs.RC2CBCParameter cbcParams
        27: .line 107
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
            aload 0 /* encryptionOID */
            aload 4 /* cbcParams */
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Lorg/bouncycastle/asn1/ASN1Encodable;)V
            areturn
        end local 4 // org.bouncycastle.asn1.pkcs.RC2CBCParameter cbcParams
        end local 3 // byte[] iv
        28: .line 111
      StackMap locals:
      StackMap stack:
            new java.lang.IllegalArgumentException
            dup
            ldc "unable to match algorithm"
            invokespecial java.lang.IllegalArgumentException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.security.SecureRandom random
        end local 1 // int keySize
        end local 0 // org.bouncycastle.asn1.ASN1ObjectIdentifier encryptionOID
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   29     0  encryptionOID  Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            0   29     1        keySize  I
            0   29     2         random  Ljava/security/SecureRandom;
            8   10     3             iv  [B
           14   16     3             iv  [B
           18   21     3             iv  [B
           20   21     4      cbcParams  Lorg/bouncycastle/asn1/misc/CAST5CBCParameters;
           25   28     3             iv  [B
           27   28     4      cbcParams  Lorg/bouncycastle/asn1/pkcs/RC2CBCParameter;
    Exceptions:
      throws java.lang.IllegalArgumentException
    MethodParameters:
               Name  Flags
      encryptionOID  
      keySize        
      random         
}
SourceFile: "AlgorithmIdentifierFactory.java"