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javax.crypto.spec.OAEPParameterSpec

This class specifies the set of parameters used with OAEP Padding, as defined in the PKCS #1 standard.

Its ASN.1 definition in PKCS#1 standard is described below:

RSAES-OAEP-params ::= SEQUENCE { hashAlgorithm [0] OAEP-PSSDigestAlgorithms DEFAULT sha1, maskGenAlgorithm [1] PKCS1MGFAlgorithms DEFAULT mgf1SHA1, pSourceAlgorithm [2] PKCS1PSourceAlgorithms DEFAULT pSpecifiedEmpty } where

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 -- } PKCS1MGFAlgorithms ALGORITHM-IDENTIFIER ::= { { OID id-mgf1 PARAMETERS OAEP-PSSDigestAlgorithms }, ... -- Allows for future expansion -- } PKCS1PSourceAlgorithms ALGORITHM-IDENTIFIER ::= { { OID id-pSpecified PARAMETERS OCTET STRING }, ... -- Allows for future expansion -- } Note: the OAEPParameterSpec.DEFAULT uses the following: message digest -- "SHA-1" mask generation function (mgf) -- "MGF1" parameters for mgf -- MGF1ParameterSpec.SHA1 source of encoding input -- PSource.PSpecified.DEFAULT

This class specifies the set of parameters used with OAEP Padding,
as defined in the
PKCS #1
standard.

Its ASN.1 definition in PKCS#1 standard is described below:


RSAES-OAEP-params ::= SEQUENCE {
  hashAlgorithm      [0] OAEP-PSSDigestAlgorithms     DEFAULT sha1,
  maskGenAlgorithm   [1] PKCS1MGFAlgorithms  DEFAULT mgf1SHA1,
  pSourceAlgorithm   [2] PKCS1PSourceAlgorithms  DEFAULT pSpecifiedEmpty
}
where


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 --
}
PKCS1MGFAlgorithms    ALGORITHM-IDENTIFIER ::= {
  { OID id-mgf1 PARAMETERS OAEP-PSSDigestAlgorithms },
  ...  -- Allows for future expansion --
}
PKCS1PSourceAlgorithms    ALGORITHM-IDENTIFIER ::= {
  { OID id-pSpecified PARAMETERS OCTET STRING },
  ...  -- Allows for future expansion --
}
Note: the OAEPParameterSpec.DEFAULT uses the following:
    message digest  -- "SHA-1"
    mask generation function (mgf) -- "MGF1"
    parameters for mgf -- MGF1ParameterSpec.SHA1
    source of encoding input -- PSource.PSpecified.DEFAULT
raw docstring

*-defaultclj

Static Constant.

The OAEP parameter set with all default values.

type: javax.crypto.spec.OAEPParameterSpec

Static Constant.

The OAEP parameter set with all default values.

type: javax.crypto.spec.OAEPParameterSpec
raw docstring

->oaep-parameter-specclj

(->oaep-parameter-spec md-name mgf-name mgf-spec p-src)

Constructor.

Constructs a parameter set for OAEP padding as defined in the PKCS #1 standard using the specified message digest algorithm mdName, mask generation function algorithm mgfName, parameters for the mask generation function mgfSpec, and source of the encoding input P pSrc.

md-name - the algorithm name for the message digest. - java.lang.String mgf-name - the algorithm name for the mask generation function. - java.lang.String mgf-spec - the parameters for the mask generation function. If null is specified, null will be returned by getMGFParameters(). - java.security.spec.AlgorithmParameterSpec p-src - the source of the encoding input P. - javax.crypto.spec.PSource

throws: java.lang.NullPointerException - if mdName, mgfName, or pSrc is null.

Constructor.

Constructs a parameter set for OAEP padding as defined in
 the PKCS #1 standard using the specified message digest
 algorithm mdName, mask generation function
 algorithm mgfName, parameters for the mask
 generation function mgfSpec, and source of
 the encoding input P pSrc.

md-name - the algorithm name for the message digest. - `java.lang.String`
mgf-name - the algorithm name for the mask generation function. - `java.lang.String`
mgf-spec - the parameters for the mask generation function. If null is specified, null will be returned by getMGFParameters(). - `java.security.spec.AlgorithmParameterSpec`
p-src - the source of the encoding input P. - `javax.crypto.spec.PSource`

throws: java.lang.NullPointerException - if mdName, mgfName, or pSrc is null.
raw docstring

get-digest-algorithmclj

(get-digest-algorithm this)

Returns the message digest algorithm name.

returns: the message digest algorithm name. - java.lang.String

Returns the message digest algorithm name.

returns: the message digest algorithm name. - `java.lang.String`
raw docstring

get-mgf-algorithmclj

(get-mgf-algorithm this)

Returns the mask generation function algorithm name.

returns: the mask generation function algorithm name. - java.lang.String

Returns the mask generation function algorithm name.

returns: the mask generation function algorithm name. - `java.lang.String`
raw docstring

get-mgf-parametersclj

(get-mgf-parameters this)

Returns the parameters for the mask generation function.

returns: the parameters for the mask generation function. - java.security.spec.AlgorithmParameterSpec

Returns the parameters for the mask generation function.

returns: the parameters for the mask generation function. - `java.security.spec.AlgorithmParameterSpec`
raw docstring

get-p-sourceclj

(get-p-source this)

Returns the source of encoding input P.

returns: the source of encoding input P. - javax.crypto.spec.PSource

Returns the source of encoding input P.

returns: the source of encoding input P. - `javax.crypto.spec.PSource`
raw docstring

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