db7763ca7b
Status:
- And it works!
- We have an extensive test based on decoding a rich EK certficate.
This test exercises all of:
- decoding
- encoding with and without decoded open types
- copying of decoded values with decoded open types
- freeing of decoded values with decoded open types
Valgrind finds no memory errors.
- Added a manual page for the compiler.
- rfc2459.asn1 now has all three primary PKIX types that we care about
defined as in RFC5912, with IOS constraints and parameterization:
- `Extension` (embeds open type in an `OCTET STRING`)
- `OtherName` (embeds open type in an `ANY`-like type)
- `SingleAttribute` (embeds open type in an `ANY`-like type)
- `AttributeSet` (embeds open type in a `SET OF ANY`-like type)
All of these use OIDs as the open type type ID field, but integer
open type type ID fields are also supported (and needed, for
Kerberos).
That will cover every typed hole pattern in all our ASN.1 modules.
With this we'll be able to automatically and recursively decode
through all subject DN attributes even when the subject DN is a
directoryName SAN, and subjectDirectoryAttributes, and all
extensions, and all SANs, and all authorization-data elements, and
PA-data, and...
We're not really using `SingleAttribute` and `AttributeSet` yet
because various changes are needed in `lib/hx509` for that.
- `asn1_compile` builds and recognizes the subset of X.681/682/683 that
we need for, and now use in, rfc2459.asn1. It builds the necessary
AST, generates the correct C types, and generates templating for
object sets and open types!
- See READMEs for details.
- Codegen backend not tested; I won't make it implement automatic open
type handling, but it should at least not crash by substituting
`heim_any` for open types not embedded in `OCTET STRING`.
- We're _really_ starting to have problems with the ITU-T ASN.1
grammar and our version of it...
Type names have to start with upper-case, value names with
lower-case, but it's not enough to disambiguate.
The fact the we've allowed value and type names to violate their
respective start-with case rules is causing us trouble now that we're
adding grammar from X.681/682/683, and we're going to have to undo
that.
In preparation for that I'm capitalizing the `heim_any` and
`heim_any_set` types, and doing some additional cleanup, which
requires changes to other parts of Heimdal (all in this same commit
for now).
Problems we have because of this:
- We cannot IMPORT values into modules because we have no idea if a
symbol being imported refers to a value or a type because the only
clue we would have is the symbol's name, so we assume IMPORTed
symbols are for types.
This means we can't import OIDs, for example, which is super
annoying.
One thing we might be able to do here is mark imported symbols as
being of an undetermined-but-not-undefined type, then coerce the
symbol's type the first time it's used in a context where its type
is inferred as type, value, object, object set, or class. (Though
since we don't generate C symbols for objects or classes, we won't
be able to import them, especially since we need to know them at
compile time and cannot defer their handling to link- or
run-time.)
- The `NULL` type name, and the `NULL` value name now cause two
reduce/reduce conflicts via the `FieldSetting` production.
- Various shift/reduce conflicts involving `NULL` values in
non-top-level contexts (in constraints, for example).
- Currently I have a bug where to disambiguate the grammar I have a
CLASS_IDENTIFIER token that is all caps, while TYPE_IDENTIFIER must
start with a capital but not be all caps, but this breaks Kerberos
since all its types are all capitalized -- oof!
To fix this I made it so class names have to be all caps and
start with an underscore (ick).
TBD:
- Check all the XXX comments and address them
- Apply this treatment to Kerberos! Automatic handling of authz-data
sounds useful :)
- Apply this treatment to PKCS#10 (CSRs) and other ASN.1 modules too.
- Replace various bits of code in `lib/hx509/` with uses of this
feature.
- Add JER.
- Enhance `hxtool` and `asn1_print`.
Getting there!
208 lines
6.2 KiB
Groff
208 lines
6.2 KiB
Groff
CMSFirmwareWrapper
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{ iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1)
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pkcs-9(9) smime(16) modules(0) cms-firmware-wrap(22) }
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DEFINITIONS IMPLICIT TAGS ::= BEGIN
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IMPORTS
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-- We moved HardwareModuleName to avoid circular dependencies if
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-- we have to have rfc2459 import it from here so we can define an
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-- object set of OTHER-NAME class.
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EnvelopedData
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FROM cms -- [CMS]
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{ iso(1) member-body(2) us(840) rsadsi(113549)
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pkcs(1) pkcs-9(9) smime(16) modules(0) cms-2004(24) };
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-- Firmware Package Content Type and Object Identifier
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id-ct-firmwarePackage OBJECT IDENTIFIER ::= {
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iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
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smime(16) ct(1) 16 }
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FirmwarePkgData ::= OCTET STRING
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-- Firmware Package Signed Attributes and Object Identifiers
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id-aa-firmwarePackageID OBJECT IDENTIFIER ::= {
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iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
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smime(16) aa(2) 35 }
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PreferredPackageIdentifier ::= SEQUENCE {
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fwPkgID OBJECT IDENTIFIER,
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verNum INTEGER (0..MAX) }
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PreferredOrLegacyPackageIdentifier ::= CHOICE {
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preferred PreferredPackageIdentifier,
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legacy OCTET STRING }
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PreferredOrLegacyStalePackageIdentifier ::= CHOICE {
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preferredStaleVerNum INTEGER (0..MAX),
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legacyStaleVersion OCTET STRING }
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FirmwarePackageIdentifier ::= SEQUENCE {
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name PreferredOrLegacyPackageIdentifier,
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stale PreferredOrLegacyStalePackageIdentifier OPTIONAL }
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id-aa-targetHardwareIDs OBJECT IDENTIFIER ::= {
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iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
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smime(16) aa(2) 36 }
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TargetHardwareIdentifiers ::= SEQUENCE OF OBJECT IDENTIFIER
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id-aa-decryptKeyID OBJECT IDENTIFIER ::= {
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iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
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smime(16) aa(2) 37 }
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DecryptKeyIdentifier ::= OCTET STRING
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id-aa-implCryptoAlgs OBJECT IDENTIFIER ::= {
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iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
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smime(16) aa(2) 38 }
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ImplementedCryptoAlgorithms ::= SEQUENCE OF OBJECT IDENTIFIER
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id-aa-implCompressAlgs OBJECT IDENTIFIER ::= {
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iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
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smime(16) aa(2) 43 }
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ImplementedCompressAlgorithms ::= SEQUENCE OF OBJECT IDENTIFIER
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id-aa-communityIdentifiers OBJECT IDENTIFIER ::= {
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iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
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smime(16) aa(2) 40 }
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HardwareSerialEntry ::= CHOICE {
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all NULL,
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single OCTET STRING,
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block SEQUENCE {
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low OCTET STRING,
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high OCTET STRING } }
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HardwareModules ::= SEQUENCE {
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hwType OBJECT IDENTIFIER,
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hwSerialEntries SEQUENCE OF HardwareSerialEntry }
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CommunityIdentifier ::= CHOICE {
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communityOID OBJECT IDENTIFIER,
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hwModuleList HardwareModules }
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CommunityIdentifiers ::= SEQUENCE OF CommunityIdentifier
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id-aa-firmwarePackageInfo OBJECT IDENTIFIER ::= {
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iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
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smime(16) aa(2) 42 }
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FirmwarePackageInfo ::= SEQUENCE {
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fwPkgType INTEGER OPTIONAL,
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dependencies SEQUENCE OF
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PreferredOrLegacyPackageIdentifier OPTIONAL }
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-- Firmware Package Unsigned Attributes and Object Identifiers
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id-aa-wrappedFirmwareKey OBJECT IDENTIFIER ::= {
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iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
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smime(16) aa(2) 39 }
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WrappedFirmwareKey ::= EnvelopedData
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-- Firmware Package Load Receipt Content Type and Object Identifier
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id-ct-firmwareLoadReceipt OBJECT IDENTIFIER ::= {
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iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
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smime(16) ct(1) 17 }
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FWReceiptVersion ::= INTEGER { rfc4108-v1(1) }
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FirmwarePackageLoadReceipt ::= SEQUENCE {
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version FWReceiptVersion DEFAULT 1, -- v1, but asn1_compile doesn't handle this
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hwType OBJECT IDENTIFIER,
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hwSerialNum OCTET STRING,
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fwPkgName PreferredOrLegacyPackageIdentifier,
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trustAnchorKeyID OCTET STRING OPTIONAL,
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decryptKeyID [1] OCTET STRING OPTIONAL }
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-- Firmware Package Load Error Report Content Type
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-- and Object Identifier
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id-ct-firmwareLoadError OBJECT IDENTIFIER ::= {
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iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
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smime(16) ct(1) 18 }
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FWErrorVersion ::= FWReceiptVersion
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FirmwarePackageLoadErrorCode ::= ENUMERATED {
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decodeFailure (1),
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badContentInfo (2),
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badSignedData (3),
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badEncapContent (4),
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badCertificate (5),
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badSignerInfo (6),
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badSignedAttrs (7),
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badUnsignedAttrs (8),
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missingContent (9),
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noTrustAnchor (10),
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notAuthorized (11),
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badDigestAlgorithm (12),
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badSignatureAlgorithm (13),
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unsupportedKeySize (14),
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signatureFailure (15),
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contentTypeMismatch (16),
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badEncryptedData (17),
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unprotectedAttrsPresent (18),
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badEncryptContent (19),
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badEncryptAlgorithm (20),
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missingCiphertext (21),
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noDecryptKey (22),
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decryptFailure (23),
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badCompressAlgorithm (24),
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missingCompressedContent (25),
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decompressFailure (26),
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wrongHardware (27),
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stalePackage (28),
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notInCommunity (29),
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unsupportedPackageType (30),
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missingDependency (31),
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wrongDependencyVersion (32),
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insufficientMemory (33),
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badFirmware (34),
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unsupportedParameters (35),
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breaksDependency (36),
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otherError (99) }
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VendorLoadErrorCode ::= INTEGER
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CurrentFWConfig ::= SEQUENCE {
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fwPkgType INTEGER OPTIONAL,
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fwPkgName PreferredOrLegacyPackageIdentifier }
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FirmwarePackageLoadError ::= SEQUENCE {
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version FWErrorVersion DEFAULT 1, -- v1, but see above
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hwType OBJECT IDENTIFIER,
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hwSerialNum OCTET STRING,
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errorCode FirmwarePackageLoadErrorCode,
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vendorErrorCode VendorLoadErrorCode OPTIONAL,
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fwPkgName PreferredOrLegacyPackageIdentifier OPTIONAL,
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config [1] SEQUENCE OF CurrentFWConfig OPTIONAL }
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-- Other Name syntax for Hardware Module Name
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id-on-hardwareModuleName OBJECT IDENTIFIER ::= {
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iso(1) identified-organization(3) dod(6) internet(1) security(5)
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mechanisms(5) pkix(7) on(8) 4 }
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-- Moved to rfc2459.asn1 so we can have the OtherName type decode it
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-- automatically:
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--HardwareModuleName ::= SEQUENCE {
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-- hwType OBJECT IDENTIFIER,
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-- hwSerialNum OCTET STRING }
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END
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