# Uses of Class
java.security.SignatureException

Packages that use SignatureException
Package
Description
java.security
Provides the classes and interfaces for the security framework.
java.security.cert
Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
javax.security.cert
Provides classes for public key certificates.

## Uses of SignatureException in java.security

Methods in java.security that throw SignatureException
Modifier and Type
Method
Description
`protected abstract byte[]`
SignatureSpi.`engineSign()`
Returns the signature bytes of all the data updated so far.
`protected int`
SignatureSpi.`engineSign(byte[] outbuf, int offset, int len)`
Finishes this signature operation and stores the resulting signature bytes in the provided buffer `outbuf`, starting at `offset`.
`protected abstract void`
SignatureSpi.`engineUpdate(byte b)`
Updates the data to be signed or verified using the specified byte.
`protected abstract void`
SignatureSpi.`engineUpdate(byte[] b, int off, int len)`
Updates the data to be signed or verified, using the specified array of bytes, starting at the specified offset.
`protected abstract boolean`
SignatureSpi.`engineVerify(byte[] sigBytes)`
Verifies the passed-in signature.
`protected boolean`
SignatureSpi.`engineVerify(byte[] sigBytes, int offset, int length)`
Verifies the passed-in signature in the specified array of bytes, starting at the specified offset.
`final byte[]`
Signature.`sign()`
Returns the signature bytes of all the data updated.
`final int`
Signature.`sign(byte[] outbuf, int offset, int len)`
Finishes the signature operation and stores the resulting signature bytes in the provided buffer `outbuf`, starting at `offset`.
`final void`
Signature.`update(byte b)`
Updates the data to be signed or verified by a byte.
`final void`
Signature.`update(byte[] data)`
Updates the data to be signed or verified, using the specified array of bytes.
`final void`
Signature.`update(byte[] data, int off, int len)`
Updates the data to be signed or verified, using the specified array of bytes, starting at the specified offset.
`final void`
Signature.`update(ByteBuffer data)`
Updates the data to be signed or verified using the specified ByteBuffer.
`final boolean`
Signature.`verify(byte[] signature)`
Verifies the passed-in signature.
`final boolean`
Signature.`verify(byte[] signature, int offset, int length)`
Verifies the passed-in signature in the specified array of bytes, starting at the specified offset.
`boolean`
SignedObject.`verify(PublicKey verificationKey, Signature verificationEngine)`
Verifies that the signature in this `SignedObject` is the valid signature for the object stored inside, with the given verification key, using the designated verification engine.
Constructors in java.security that throw SignatureException
Modifier
Constructor
Description
``
`SignedObject(Serializable object, PrivateKey signingKey, Signature signingEngine)`
Constructs a `SignedObject` from any Serializable object.

## Uses of SignatureException in java.security.cert

Methods in java.security.cert that throw SignatureException
Modifier and Type
Method
Description
`abstract void`
Certificate.`verify(PublicKey key)`
Verifies that this certificate was signed using the private key that corresponds to the specified public key.
`abstract void`
Certificate.`verify(PublicKey key, String sigProvider)`
Verifies that this certificate was signed using the private key that corresponds to the specified public key.
`void`
Certificate.`verify(PublicKey key, Provider sigProvider)`
Verifies that this certificate was signed using the private key that corresponds to the specified public key.
`void`
X509Certificate.`verify(PublicKey key, Provider sigProvider)`
Verifies that this certificate was signed using the private key that corresponds to the specified public key.
`abstract void`
X509CRL.`verify(PublicKey key)`
Verifies that this CRL was signed using the private key that corresponds to the given public key.
`abstract void`
X509CRL.`verify(PublicKey key, String sigProvider)`
Verifies that this CRL was signed using the private key that corresponds to the given public key.
`void`
X509CRL.`verify(PublicKey key, Provider sigProvider)`
Verifies that this CRL was signed using the private key that corresponds to the given public key.

## Uses of SignatureException in javax.security.cert

Methods in javax.security.cert that throw SignatureException
Modifier and Type
Method
Description
`abstract void`
Certificate.`verify(PublicKey key)`
Deprecated, for removal: This API element is subject to removal in a future version.
Verifies that this certificate was signed using the private key that corresponds to the specified public key.
`abstract void`
Certificate.`verify(PublicKey key, String sigProvider)`
Deprecated, for removal: This API element is subject to removal in a future version.
Verifies that this certificate was signed using the private key that corresponds to the specified public key.