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PKCS-1 {iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs-1(1)
modules(0) pkcs-1(1)}
-- $Revision: 1.2 $
-- This module has been checked for conformance with the ASN.1
-- standard by the OSS ASN.1 Tools
DEFINITIONS EXPLICIT TAGS ::=
BEGIN
-- EXPORTS ALL --
-- All types and values defined in this module is exported for use in other
-- ASN.1 modules.
-- IMPORTS None --
-- Basic object identifiers
-- The DER for this in hexadecimal is:
-- 06 08
-- 2A 86 48 86 F7 0D 01 01
--
pkcs-1 OBJECT IDENTIFIER ::= {
iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) 1 }
--
-- When the following OIDs are used in an AlgorithmIdentifier
-- the parameters MUST be present and MUST be NULL.
--
rsaEncryption OBJECT IDENTIFIER ::= { pkcs-1 1 }
md2WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 2 }
md4WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 3 }
md5WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 4 }
sha1WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 5 }
rsaOAEPEncryptionSET OBJECT IDENTIFIER ::= { pkcs-1 6 }
--
-- When id-RSAES-OAEP is used in an AlgorithmIdentifier
-- the parameters MUST be present and MUST be RSAES-OAEP-params.
--
id-RSAES-OAEP OBJECT IDENTIFIER ::= { pkcs-1 7 }
--
-- When id-mgf1 is used in an AlgorithmIdentifier
-- the parameters MUST be present and MUST be
-- a DigestAlgorithmIdentifier, specifically SHA1Identifier.
--
id-mgf1 OBJECT IDENTIFIER ::= { pkcs-1 8 }
--
-- When id-pSpecified is used in an AlgorithmIdentifier
-- the parameters MUST be an OCTET STRING.
--
id-pSpecified OBJECT IDENTIFIER ::= { pkcs-1 9 }
--
-- This OID really belongs in a module with the secsig OIDs.
--
id-sha1 OBJECT IDENTIFIER ::= {
iso(1) identified-organization(3) oiw(14) secsig(3)
algorithms(2) 26 }
-- Useful types
ALGORITHM-IDENTIFIER ::= TYPE-IDENTIFIER
-- Note: the parameter InfoObjectSet in the following definitions
-- allows a distinct information object set to be specified for
-- sets of algorithms such as:
-- DigestAlgorithms ALGORITHM-IDENTIFIER ::= {
-- { NULL IDENTIFIED BY id-sha1 },
-- { NULL IDENTIFIED BY id-md5 },
-- { NULL IDENTIFIED BY id-md2 }
-- }
--
AlgorithmIdentifier { ALGORITHM-IDENTIFIER:InfoObjectSet } ::=
SEQUENCE {
algorithm ALGORITHM-IDENTIFIER.&id({InfoObjectSet}),
parameters ALGORITHM-IDENTIFIER.&Type({InfoObjectSet}
{@algorithm}) OPTIONAL
}
-- Algorithms
--
-- Allowed OAEP digest algorithms.
--
OAEPDigestAlgorithms ALGORITHM-IDENTIFIER ::= {
{ SHA1Parameters IDENTIFIED BY id-sha1 },
... --Allows for future expansion
}
sha1Identifier AlgorithmIdentifier {{ OAEPDigestAlgorithms }} ::=
{algorithm id-sha1, parameters SHA1Parameters : NULL}
SHA1Parameters ::= NULL
--
-- Allowed Mask Generation Function algorithms.
-- If the identifier is id-mgf1, the parameters
-- are a single digest algorithm identifier.
--
PKCS1MGFAlgorithms ALGORITHM-IDENTIFIER ::= {
{ MGF1Parameters IDENTIFIED BY id-mgf1 },
...--Allows for future expansion
}
MGF1Parameters ::=
AlgorithmIdentifier { {OAEPDigestAlgorithms} }
--
-- Allowed algorithms for pSourceFunc.
--
PKCS1PSourceAlgorithms ALGORITHM-IDENTIFIER ::= {
{ PEmptyString IDENTIFIED BY id-pSpecified },
...--Allows for future expansion
}
PEmptyString ::= OCTET STRING (SIZE(0))
--
-- This identifier means that P is an empty string, so the digest
-- of the empty string appears in the RSA block before masking.
--
pSpecifiedEmptyIdentifier AlgorithmIdentifier {{ PKCS1PSourceAlgorithms }} ::=
{ algorithm id-pSpecified, parameters PEmptyString : ''H }
--
-- Default AlgorithmIdentifier for id-RSAES-OAEP.maskGenFunc.
--
mgf1SHA1Identifier AlgorithmIdentifier {{ PKCS1MGFAlgorithms }} ::=
{ algorithm id-mgf1,
parameters AlgorithmIdentifier{{OAEPDigestAlgorithms}} : sha1Identifier}
--
-- Type identifier definitions for the PKCS #1 OIDs.
--
PKCS1Algorithms ALGORITHM-IDENTIFIER ::= {
{ NULL IDENTIFIED BY rsaEncryption } |
{ NULL IDENTIFIED BY md2WithRSAEncryption } |
{ NULL IDENTIFIED BY md4WithRSAEncryption } |
{ NULL IDENTIFIED BY md5WithRSAEncryption } |
{ NULL IDENTIFIED BY sha1WithRSAEncryption } |
{ NULL IDENTIFIED BY rsaOAEPEncryptionSET } |
{ RSAES-OAEP-params IDENTIFIED BY id-RSAES-OAEP } |
PKCS1PSourceAlgorithms,
... -- Allows for future expansion
}
-- Main structures
RSAPublicKey ::= SEQUENCE {
modulus INTEGER, -- (Usually large) n = p*q
publicExponent INTEGER -- (Usually small) e
}
--
-- Representation of RSA private key with p and q
-- information for the CRT algorithm.
--
RSAPrivateKey ::= SEQUENCE {
version INTEGER { rsaPrivateKeyVer0(0) }(rsaPrivateKeyVer0),
modulus INTEGER, -- (Usually large) n
publicExponent INTEGER, -- (Usually small) e
privateExponent INTEGER, -- (Usually large) d
prime1 INTEGER, -- (Usually large) p
prime2 INTEGER, -- (Usually large) q
exponent1 INTEGER, -- (Usually large) d mod (p-1)
exponent2 INTEGER, -- (Usually large) d mod (q-1)
coefficient INTEGER -- (Usually large) (inverse of q) mod p
}
--
-- AlgorithmIdentifier.parameters for id-RSAES-OAEP.
-- Note that the tags in this Sequence are explicit.
--
RSAES-OAEP-params ::= SEQUENCE {
hashFunc [0] AlgorithmIdentifier { {OAEPDigestAlgorithms} }
DEFAULT sha1Identifier,
maskGenFunc [1] AlgorithmIdentifier { {PKCS1MGFAlgorithms} }
DEFAULT mgf1SHA1Identifier,
pSourceFunc [2] AlgorithmIdentifier { {PKCS1PSourceAlgorithms} }
DEFAULT pSpecifiedEmptyIdentifier
}
--
-- Identifier for default RSAES-OAEP algorithm identifier
-- The DER Encoding of this is in hexadecimal:
-- 30 0D
-- 06 09
-- 2A 86 48 86 F7 0D 01 01 07
-- 30 00
-- Notice that the DER encoding of default values is "empty".
--
rSAES-OAEP-Default-Identifier AlgorithmIdentifier{ {PKCS1Algorithms} } ::=
{algorithm id-RSAES-OAEP,
parameters RSAES-OAEP-params : {hashFunc sha1Identifier,
maskGenFunc mgf1SHA1Identifier,
pSourceFunc pSpecifiedEmptyIdentifier}}
END -- PKCS1Definitions