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JavaTM 2 Platform Standard Ed. 5.0 |
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java.lang.Objectjava.security.spec.MGF1ParameterSpec
public class MGF1ParameterSpec
This class specifies the set of parameters used with mask generation function MGF1 in OAEP Padding and RSA-PSS signature scheme, as defined in the PKCS #1 v2.1 standard.
Its ASN.1 definition in PKCS#1 standard is described below:
MGF1Parameters ::= OAEP-PSSDigestAlgorthmswhere
OAEP-PSSDigestAlgorithms ALGORITHM-IDENTIFIER ::= {
{ OID id-sha1 PARAMETERS NULL }|
{ OID id-sha256 PARAMETERS NULL }|
{ OID id-sha384 PARAMETERS NULL }|
{ OID id-sha512 PARAMETERS NULL },
... -- Allows for future expansion --
}
PSSParameterSpec,
OAEPParameterSpec| Field Summary | |
|---|---|
static MGF1ParameterSpec |
SHA1
The MGF1ParameterSpec which uses "SHA-1" message digest. |
static MGF1ParameterSpec |
SHA256
The MGF1ParameterSpec which uses "SHA-256" message digest. |
static MGF1ParameterSpec |
SHA384
The MGF1ParameterSpec which uses "SHA-384" message digest. |
static MGF1ParameterSpec |
SHA512
The MGF1ParameterSpec which uses SHA-512 message digest. |
| Constructor Summary | |
|---|---|
MGF1ParameterSpec(String mdName)
Constructs a parameter set for mask generation function MGF1 as defined in the PKCS #1 standard. |
|
| Method Summary | |
|---|---|
String |
getDigestAlgorithm()
Returns the algorithm name of the message digest used by the mask generation function. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public static final MGF1ParameterSpec SHA1
public static final MGF1ParameterSpec SHA256
public static final MGF1ParameterSpec SHA384
public static final MGF1ParameterSpec SHA512
| Constructor Detail |
|---|
public MGF1ParameterSpec(String mdName)
mdName - the algorithm name for the message digest
used in this mask generation function MGF1.
NullPointerException - if mdName is null.| Method Detail |
|---|
public String getDigestAlgorithm()
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JavaTM 2 Platform Standard Ed. 5.0 |
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Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.