http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
public class org.bouncycastle.operator.DefaultSecretKeySizeProvider implements org.bouncycastle.operator.SecretKeySizeProvider
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.operator.DefaultSecretKeySizeProvider
  super_class: java.lang.Object
{
  public static final org.bouncycastle.operator.SecretKeySizeProvider INSTANCE;
    descriptor: Lorg/bouncycastle/operator/SecretKeySizeProvider;
    flags: (0x0019) ACC_PUBLIC, ACC_STATIC, ACC_FINAL

  private static final java.util.Map KEY_SIZES;
    descriptor: Ljava/util/Map;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=1, args_size=0
         0: .line 20
            new org.bouncycastle.operator.DefaultSecretKeySizeProvider
            dup
            invokespecial org.bouncycastle.operator.DefaultSecretKeySizeProvider.<init>:()V
            putstatic org.bouncycastle.operator.DefaultSecretKeySizeProvider.INSTANCE:Lorg/bouncycastle/operator/SecretKeySizeProvider;
         1: .line 26
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            astore 0 /* keySizes */
        start local 0 // java.util.Map keySizes
         2: .line 28
            aload 0 /* keySizes */
            new org.bouncycastle.asn1.ASN1ObjectIdentifier
            dup
            ldc "1.2.840.113533.7.66.10"
            invokespecial org.bouncycastle.asn1.ASN1ObjectIdentifier.<init>:(Ljava/lang/String;)V
            sipush 128
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         3: .line 30
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.des_EDE3_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 192
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         4: .line 31
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.id_alg_CMS3DESwrap:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 192
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         5: .line 32
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.des_EDE3_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 192
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         6: .line 34
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.pbeWithSHA1AndDES_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 64
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         7: .line 35
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.pbeWithMD5AndDES_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 64
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         8: .line 37
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes128_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 128
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         9: .line 38
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes192_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 192
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        10: .line 39
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes256_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 256
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        11: .line 40
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes128_GCM:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 128
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        12: .line 41
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes192_GCM:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 192
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        13: .line 42
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes256_GCM:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 256
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        14: .line 43
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes128_CCM:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 128
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        15: .line 44
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes192_CCM:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 192
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        16: .line 45
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes256_CCM:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 256
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        17: .line 46
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes128_wrap:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 128
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        18: .line 47
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes192_wrap:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 192
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        19: .line 48
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_aes256_wrap:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 256
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        20: .line 50
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.ntt.NTTObjectIdentifiers.id_camellia128_cbc:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 128
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        21: .line 51
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.ntt.NTTObjectIdentifiers.id_camellia192_cbc:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 192
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        22: .line 52
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.ntt.NTTObjectIdentifiers.id_camellia256_cbc:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 256
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        23: .line 53
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.ntt.NTTObjectIdentifiers.id_camellia128_wrap:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 128
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        24: .line 54
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.ntt.NTTObjectIdentifiers.id_camellia192_wrap:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 192
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        25: .line 55
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.ntt.NTTObjectIdentifiers.id_camellia256_wrap:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 256
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        26: .line 57
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.kisa.KISAObjectIdentifiers.id_seedCBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 128
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        27: .line 59
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.oiw.OIWObjectIdentifiers.desCBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            bipush 64
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        28: .line 61
            aload 0 /* keySizes */
            getstatic org.bouncycastle.asn1.cryptopro.CryptoProObjectIdentifiers.gostR28147_gcfb:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            sipush 256
            invokestatic org.bouncycastle.util.Integers.valueOf:(I)Ljava/lang/Integer;
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        29: .line 63
            aload 0 /* keySizes */
            invokestatic java.util.Collections.unmodifiableMap:(Ljava/util/Map;)Ljava/util/Map;
            putstatic org.bouncycastle.operator.DefaultSecretKeySizeProvider.KEY_SIZES:Ljava/util/Map;
        end local 0 // java.util.Map keySizes
        30: .line 64
            return
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            2   30     0  keySizes  Ljava/util/Map;

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.operator.DefaultSecretKeySizeProvider this
         0: .line 17
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.operator.DefaultSecretKeySizeProvider this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/operator/DefaultSecretKeySizeProvider;

  public int getKeySize(org.bouncycastle.asn1.x509.AlgorithmIdentifier);
    descriptor: (Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.bouncycastle.operator.DefaultSecretKeySizeProvider this
        start local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier algorithmIdentifier
         0: .line 68
            aload 0 /* this */
            aload 1 /* algorithmIdentifier */
            invokevirtual org.bouncycastle.asn1.x509.AlgorithmIdentifier.getAlgorithm:()Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.operator.DefaultSecretKeySizeProvider.getKeySize:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)I
            istore 2 /* keySize */
        start local 2 // int keySize
         1: .line 71
            iload 2 /* keySize */
            ifle 3
         2: .line 73
            iload 2 /* keySize */
            ireturn
         3: .line 78
      StackMap locals: int
      StackMap stack:
            iconst_m1
            ireturn
        end local 2 // int keySize
        end local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier algorithmIdentifier
        end local 0 // org.bouncycastle.operator.DefaultSecretKeySizeProvider this
      LocalVariableTable:
        Start  End  Slot                 Name  Signature
            0    4     0                 this  Lorg/bouncycastle/operator/DefaultSecretKeySizeProvider;
            0    4     1  algorithmIdentifier  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            1    4     2              keySize  I
    MethodParameters:
                     Name  Flags
      algorithmIdentifier  

  public int getKeySize(org.bouncycastle.asn1.ASN1ObjectIdentifier);
    descriptor: (Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.bouncycastle.operator.DefaultSecretKeySizeProvider this
        start local 1 // org.bouncycastle.asn1.ASN1ObjectIdentifier algorithm
         0: .line 83
            getstatic org.bouncycastle.operator.DefaultSecretKeySizeProvider.KEY_SIZES:Ljava/util/Map;
            aload 1 /* algorithm */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.Integer
            astore 2 /* keySize */
        start local 2 // java.lang.Integer keySize
         1: .line 85
            aload 2 /* keySize */
            ifnull 3
         2: .line 87
            aload 2 /* keySize */
            invokevirtual java.lang.Integer.intValue:()I
            ireturn
         3: .line 90
      StackMap locals: java.lang.Integer
      StackMap stack:
            iconst_m1
            ireturn
        end local 2 // java.lang.Integer keySize
        end local 1 // org.bouncycastle.asn1.ASN1ObjectIdentifier algorithm
        end local 0 // org.bouncycastle.operator.DefaultSecretKeySizeProvider this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    4     0       this  Lorg/bouncycastle/operator/DefaultSecretKeySizeProvider;
            0    4     1  algorithm  Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            1    4     2    keySize  Ljava/lang/Integer;
    MethodParameters:
           Name  Flags
      algorithm  
}
SourceFile: "DefaultSecretKeySizeProvider.java"