Package org.bouncycastle.asn1.cms
Class SignerInfo
- java.lang.Object
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- org.bouncycastle.asn1.ASN1Object
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- org.bouncycastle.asn1.cms.SignerInfo
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- All Implemented Interfaces:
ASN1Encodable
,Encodable
public class SignerInfo extends ASN1Object
RFC 5652: Signature container per Signer, seeSignerIdentifier
.PKCS#7: SignerInfo ::= SEQUENCE { version Version, sid SignerIdentifier, digestAlgorithm DigestAlgorithmIdentifier, authenticatedAttributes [0] IMPLICIT Attributes OPTIONAL, digestEncryptionAlgorithm DigestEncryptionAlgorithmIdentifier, encryptedDigest EncryptedDigest, unauthenticatedAttributes [1] IMPLICIT Attributes OPTIONAL } EncryptedDigest ::= OCTET STRING DigestAlgorithmIdentifier ::= AlgorithmIdentifier DigestEncryptionAlgorithmIdentifier ::= AlgorithmIdentifier ----------------------------------------- RFC 5652: SignerInfo ::= SEQUENCE { version CMSVersion, sid SignerIdentifier, digestAlgorithm DigestAlgorithmIdentifier, signedAttrs [0] IMPLICIT SignedAttributes OPTIONAL, signatureAlgorithm SignatureAlgorithmIdentifier, signature SignatureValue, unsignedAttrs [1] IMPLICIT UnsignedAttributes OPTIONAL } --
SignerIdentifier
referenced certificates are at containing --SignedData
certificates element. SignerIdentifier ::= CHOICE { issuerAndSerialNumberIssuerAndSerialNumber
, subjectKeyIdentifier [0] SubjectKeyIdentifier } -- SeeAttributes
for generalized SET OFAttribute
SignedAttributes ::= SET SIZE (1..MAX) OF Attribute UnsignedAttributes ::= SET SIZE (1..MAX) OF AttributeAttribute
::= SEQUENCE { attrType OBJECT IDENTIFIER, attrValues SET OF AttributeValue } AttributeValue ::= ANY SignatureValue ::= OCTET STRING
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Constructor Summary
Constructors Constructor Description SignerInfo(SignerIdentifier sid, AlgorithmIdentifier digAlgorithm, ASN1Set authenticatedAttributes, AlgorithmIdentifier digEncryptionAlgorithm, ASN1OctetString encryptedDigest, ASN1Set unauthenticatedAttributes)
SignerInfo(SignerIdentifier sid, AlgorithmIdentifier digAlgorithm, Attributes authenticatedAttributes, AlgorithmIdentifier digEncryptionAlgorithm, ASN1OctetString encryptedDigest, Attributes unauthenticatedAttributes)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description ASN1Set
getAuthenticatedAttributes()
AlgorithmIdentifier
getDigestAlgorithm()
AlgorithmIdentifier
getDigestEncryptionAlgorithm()
ASN1OctetString
getEncryptedDigest()
static SignerInfo
getInstance(java.lang.Object o)
Return a SignerInfo object from the given inputSignerIdentifier
getSID()
ASN1Set
getUnauthenticatedAttributes()
ASN1Integer
getVersion()
ASN1Primitive
toASN1Primitive()
Produce an object suitable for an ASN1OutputStream.-
Methods inherited from class org.bouncycastle.asn1.ASN1Object
equals, getEncoded, getEncoded, hasEncodedTagValue, hashCode
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Constructor Detail
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SignerInfo
public SignerInfo(SignerIdentifier sid, AlgorithmIdentifier digAlgorithm, ASN1Set authenticatedAttributes, AlgorithmIdentifier digEncryptionAlgorithm, ASN1OctetString encryptedDigest, ASN1Set unauthenticatedAttributes)
- Parameters:
sid
-digAlgorithm
- CMS knows as 'digestAlgorithm'authenticatedAttributes
- CMS knows as 'signedAttrs'digEncryptionAlgorithm
- CMS knows as 'signatureAlgorithm'encryptedDigest
- CMS knows as 'signature'unauthenticatedAttributes
- CMS knows as 'unsignedAttrs'
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SignerInfo
public SignerInfo(SignerIdentifier sid, AlgorithmIdentifier digAlgorithm, Attributes authenticatedAttributes, AlgorithmIdentifier digEncryptionAlgorithm, ASN1OctetString encryptedDigest, Attributes unauthenticatedAttributes)
- Parameters:
sid
-digAlgorithm
- CMS knows as 'digestAlgorithm'authenticatedAttributes
- CMS knows as 'signedAttrs'digEncryptionAlgorithm
- CMS knows as 'signatureAlgorithm'encryptedDigest
- CMS knows as 'signature'unauthenticatedAttributes
- CMS knows as 'unsignedAttrs'
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Method Detail
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getInstance
public static SignerInfo getInstance(java.lang.Object o) throws java.lang.IllegalArgumentException
Return a SignerInfo object from the given inputAccepted inputs:
- null → null
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SignerInfo
object -
ASN1Sequence
input formats with SignerInfo structure inside
- Parameters:
o
- the object we want converted.- Throws:
java.lang.IllegalArgumentException
- if the object cannot be converted.
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getVersion
public ASN1Integer getVersion()
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getSID
public SignerIdentifier getSID()
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getAuthenticatedAttributes
public ASN1Set getAuthenticatedAttributes()
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getDigestAlgorithm
public AlgorithmIdentifier getDigestAlgorithm()
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getEncryptedDigest
public ASN1OctetString getEncryptedDigest()
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getDigestEncryptionAlgorithm
public AlgorithmIdentifier getDigestEncryptionAlgorithm()
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getUnauthenticatedAttributes
public ASN1Set getUnauthenticatedAttributes()
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toASN1Primitive
public ASN1Primitive toASN1Primitive()
Produce an object suitable for an ASN1OutputStream.- Specified by:
toASN1Primitive
in interfaceASN1Encodable
- Specified by:
toASN1Primitive
in classASN1Object
- Returns:
- a primitive representation of this object.
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