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.mime.smime.SMimeMultipartContext implements org.bouncycastle.mime.MimeMultipartContext
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.mime.smime.SMimeMultipartContext
  super_class: java.lang.Object
{
  private final org.bouncycastle.mime.smime.SMimeParserContext parserContext;
    descriptor: Lorg/bouncycastle/mime/smime/SMimeParserContext;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private org.bouncycastle.operator.DigestCalculator[] calculators;
    descriptor: [Lorg/bouncycastle/operator/DigestCalculator;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.bouncycastle.mime.MimeParserContext, org.bouncycastle.mime.Headers);
    descriptor: (Lorg/bouncycastle/mime/MimeParserContext;Lorg/bouncycastle/mime/Headers;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.bouncycastle.mime.smime.SMimeMultipartContext this
        start local 1 // org.bouncycastle.mime.MimeParserContext parserContext
        start local 2 // org.bouncycastle.mime.Headers headers
         0: .line 27
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 29
            aload 0 /* this */
            aload 1 /* parserContext */
            checkcast org.bouncycastle.mime.smime.SMimeParserContext
            putfield org.bouncycastle.mime.smime.SMimeMultipartContext.parserContext:Lorg/bouncycastle/mime/smime/SMimeParserContext;
         2: .line 30
            aload 0 /* this */
            aload 0 /* this */
            aload 2 /* headers */
            invokevirtual org.bouncycastle.mime.smime.SMimeMultipartContext.createDigestCalculators:(Lorg/bouncycastle/mime/Headers;)[Lorg/bouncycastle/operator/DigestCalculator;
            putfield org.bouncycastle.mime.smime.SMimeMultipartContext.calculators:[Lorg/bouncycastle/operator/DigestCalculator;
         3: .line 31
            return
        end local 2 // org.bouncycastle.mime.Headers headers
        end local 1 // org.bouncycastle.mime.MimeParserContext parserContext
        end local 0 // org.bouncycastle.mime.smime.SMimeMultipartContext this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    4     0           this  Lorg/bouncycastle/mime/smime/SMimeMultipartContext;
            0    4     1  parserContext  Lorg/bouncycastle/mime/MimeParserContext;
            0    4     2        headers  Lorg/bouncycastle/mime/Headers;
    MethodParameters:
               Name  Flags
      parserContext  
      headers        

  org.bouncycastle.operator.DigestCalculator[] getDigestCalculators();
    descriptor: ()[Lorg/bouncycastle/operator/DigestCalculator;
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.mime.smime.SMimeMultipartContext this
         0: .line 35
            aload 0 /* this */
            getfield org.bouncycastle.mime.smime.SMimeMultipartContext.calculators:[Lorg/bouncycastle/operator/DigestCalculator;
            areturn
        end local 0 // org.bouncycastle.mime.smime.SMimeMultipartContext this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/mime/smime/SMimeMultipartContext;

  java.io.OutputStream getDigestOutputStream();
    descriptor: ()Ljava/io/OutputStream;
    flags: (0x0000) 
    Code:
      stack=4, locals=3, args_size=1
        start local 0 // org.bouncycastle.mime.smime.SMimeMultipartContext this
         0: .line 40
            aload 0 /* this */
            getfield org.bouncycastle.mime.smime.SMimeMultipartContext.calculators:[Lorg/bouncycastle/operator/DigestCalculator;
            arraylength
            iconst_1
            if_icmpne 2
         1: .line 42
            aload 0 /* this */
            getfield org.bouncycastle.mime.smime.SMimeMultipartContext.calculators:[Lorg/bouncycastle/operator/DigestCalculator;
            iconst_0
            aaload
            invokeinterface org.bouncycastle.operator.DigestCalculator.getOutputStream:()Ljava/io/OutputStream;
            areturn
         2: .line 46
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.mime.smime.SMimeMultipartContext.calculators:[Lorg/bouncycastle/operator/DigestCalculator;
            iconst_0
            aaload
            invokeinterface org.bouncycastle.operator.DigestCalculator.getOutputStream:()Ljava/io/OutputStream;
            astore 1 /* compoundStream */
        start local 1 // java.io.OutputStream compoundStream
         3: .line 48
            iconst_1
            istore 2 /* i */
        start local 2 // int i
         4: goto 7
         5: .line 50
      StackMap locals: java.io.OutputStream int
      StackMap stack:
            new org.bouncycastle.util.io.TeeOutputStream
            dup
            aload 0 /* this */
            getfield org.bouncycastle.mime.smime.SMimeMultipartContext.calculators:[Lorg/bouncycastle/operator/DigestCalculator;
            iload 2 /* i */
            aaload
            invokeinterface org.bouncycastle.operator.DigestCalculator.getOutputStream:()Ljava/io/OutputStream;
            aload 1 /* compoundStream */
            invokespecial org.bouncycastle.util.io.TeeOutputStream.<init>:(Ljava/io/OutputStream;Ljava/io/OutputStream;)V
            astore 1 /* compoundStream */
         6: .line 48
            iinc 2 /* i */ 1
      StackMap locals:
      StackMap stack:
         7: iload 2 /* i */
            aload 0 /* this */
            getfield org.bouncycastle.mime.smime.SMimeMultipartContext.calculators:[Lorg/bouncycastle/operator/DigestCalculator;
            arraylength
            if_icmplt 5
        end local 2 // int i
         8: .line 53
            aload 1 /* compoundStream */
            areturn
        end local 1 // java.io.OutputStream compoundStream
        end local 0 // org.bouncycastle.mime.smime.SMimeMultipartContext this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    9     0            this  Lorg/bouncycastle/mime/smime/SMimeMultipartContext;
            3    9     1  compoundStream  Ljava/io/OutputStream;
            4    8     2               i  I

  private org.bouncycastle.operator.DigestCalculator[] createDigestCalculators(org.bouncycastle.mime.Headers);
    descriptor: (Lorg/bouncycastle/mime/Headers;)[Lorg/bouncycastle/operator/DigestCalculator;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=6, locals=8, args_size=2
        start local 0 // org.bouncycastle.mime.smime.SMimeMultipartContext this
        start local 1 // org.bouncycastle.mime.Headers headers
         0: .line 61
            aload 1 /* headers */
            invokevirtual org.bouncycastle.mime.Headers.getContentTypeAttributes:()Ljava/util/Map;
            astore 2 /* contentTypeFields */
        start local 2 // java.util.Map contentTypeFields
         1: .line 63
            aload 2 /* contentTypeFields */
            ldc "micalg"
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast java.lang.String
            astore 3 /* micalgs */
        start local 3 // java.lang.String micalgs
         2: .line 64
            aload 3 /* micalgs */
            ifnonnull 4
         3: .line 66
            new java.lang.IllegalStateException
            dup
            ldc "No micalg field on content-type header"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 69
      StackMap locals: java.util.Map java.lang.String
      StackMap stack:
            aload 3 /* micalgs */
            aload 3 /* micalgs */
            bipush 61
            invokevirtual java.lang.String.indexOf:(I)I
            iconst_1
            iadd
            invokevirtual java.lang.String.substring:(I)Ljava/lang/String;
            ldc ","
            invokevirtual java.lang.String.split:(Ljava/lang/String;)[Ljava/lang/String;
            astore 4 /* algs */
        start local 4 // java.lang.String[] algs
         5: .line 70
            aload 4 /* algs */
            arraylength
            anewarray org.bouncycastle.operator.DigestCalculator
            astore 5 /* dcOut */
        start local 5 // org.bouncycastle.operator.DigestCalculator[] dcOut
         6: .line 72
            iconst_0
            istore 6 /* t */
        start local 6 // int t
         7: goto 13
         8: .line 75
      StackMap locals: java.lang.String[] org.bouncycastle.operator.DigestCalculator[] int
      StackMap stack:
            aload 4 /* algs */
            iload 6 /* t */
            aaload
            invokestatic org.bouncycastle.mime.smime.SMimeUtils.lessQuotes:(Ljava/lang/String;)Ljava/lang/String;
            invokevirtual java.lang.String.trim:()Ljava/lang/String;
            astore 7 /* alg */
        start local 7 // java.lang.String alg
         9: .line 76
            aload 5 /* dcOut */
            iload 6 /* t */
            aload 0 /* this */
            getfield org.bouncycastle.mime.smime.SMimeMultipartContext.parserContext:Lorg/bouncycastle/mime/smime/SMimeParserContext;
            invokevirtual org.bouncycastle.mime.smime.SMimeParserContext.getDigestCalculatorProvider:()Lorg/bouncycastle/operator/DigestCalculatorProvider;
        10: .line 77
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
            aload 7 /* alg */
            invokestatic org.bouncycastle.mime.smime.SMimeUtils.getDigestOID:(Ljava/lang/String;)Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)V
        11: .line 76
            invokeinterface org.bouncycastle.operator.DigestCalculatorProvider.get:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)Lorg/bouncycastle/operator/DigestCalculator;
            aastore
        end local 7 // java.lang.String alg
        12: .line 72
            iinc 6 /* t */ 1
      StackMap locals:
      StackMap stack:
        13: iload 6 /* t */
            aload 4 /* algs */
            arraylength
            if_icmplt 8
        end local 6 // int t
        14: .line 80
            aload 5 /* dcOut */
        15: areturn
        end local 5 // org.bouncycastle.operator.DigestCalculator[] dcOut
        end local 4 // java.lang.String[] algs
        end local 3 // java.lang.String micalgs
        end local 2 // java.util.Map contentTypeFields
        16: .line 82
      StackMap locals: org.bouncycastle.mime.smime.SMimeMultipartContext org.bouncycastle.mime.Headers
      StackMap stack: org.bouncycastle.operator.OperatorCreationException
            pop
        17: .line 84
            aconst_null
            areturn
        end local 1 // org.bouncycastle.mime.Headers headers
        end local 0 // org.bouncycastle.mime.smime.SMimeMultipartContext this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0   18     0               this  Lorg/bouncycastle/mime/smime/SMimeMultipartContext;
            0   18     1            headers  Lorg/bouncycastle/mime/Headers;
            1   16     2  contentTypeFields  Ljava/util/Map<Ljava/lang/String;Ljava/lang/String;>;
            2   16     3            micalgs  Ljava/lang/String;
            5   16     4               algs  [Ljava/lang/String;
            6   16     5              dcOut  [Lorg/bouncycastle/operator/DigestCalculator;
            7   14     6                  t  I
            9   12     7                alg  Ljava/lang/String;
      Exception table:
        from    to  target  type
           0    15      16  Class org.bouncycastle.operator.OperatorCreationException
    MethodParameters:
         Name  Flags
      headers  

  public org.bouncycastle.mime.MimeContext createContext(int);
    descriptor: (I)Lorg/bouncycastle/mime/MimeContext;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.bouncycastle.mime.smime.SMimeMultipartContext this
        start local 1 // int partNo
         0: .line 91
            new org.bouncycastle.mime.smime.SMimeMultipartContext$1
            dup
            aload 0 /* this */
            iload 1 /* partNo */
            invokespecial org.bouncycastle.mime.smime.SMimeMultipartContext$1.<init>:(Lorg/bouncycastle/mime/smime/SMimeMultipartContext;I)V
            areturn
        end local 1 // int partNo
        end local 0 // org.bouncycastle.mime.smime.SMimeMultipartContext this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0    this  Lorg/bouncycastle/mime/smime/SMimeMultipartContext;
            0    1     1  partNo  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      partNo  final

  public java.io.InputStream applyContext(org.bouncycastle.mime.Headers, java.io.InputStream);
    descriptor: (Lorg/bouncycastle/mime/Headers;Ljava/io/InputStream;)Ljava/io/InputStream;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=3, args_size=3
        start local 0 // org.bouncycastle.mime.smime.SMimeMultipartContext this
        start local 1 // org.bouncycastle.mime.Headers headers
        start local 2 // java.io.InputStream contentStream
         0: .line 116
            aload 2 /* contentStream */
            areturn
        end local 2 // java.io.InputStream contentStream
        end local 1 // org.bouncycastle.mime.Headers headers
        end local 0 // org.bouncycastle.mime.smime.SMimeMultipartContext this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    1     0           this  Lorg/bouncycastle/mime/smime/SMimeMultipartContext;
            0    1     1        headers  Lorg/bouncycastle/mime/Headers;
            0    1     2  contentStream  Ljava/io/InputStream;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
               Name  Flags
      headers        
      contentStream  
}
SourceFile: "SMimeMultipartContext.java"
NestMembers:
  org.bouncycastle.mime.smime.SMimeMultipartContext$1
InnerClasses:
  org.bouncycastle.mime.smime.SMimeMultipartContext$1