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Code Issues Releases Wiki Activity

Flatten class hierarchy

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This commit is contained in:
Paul Schaub 2024-02-18 11:23:40 +01:00
parent db01d566fd
commit 900860c1fa
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
1 changed files with 391 additions and 400 deletions
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791
pgpainless-core/src/main/kotlin/org/pgpainless/key/generation/OpenPgpKeyGenerator.kt
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@ -49,8 +49,8 @@ class OpenPgpKeyGenerator internal constructor() {
policy: Policy = PGPainless.getPolicy(), policy: Policy = PGPainless.getPolicy(),
creationTime: Date = Date(), creationTime: Date = Date(),
preferences: AlgorithmSuite = policy.keyGenerationAlgorithmSuite preferences: AlgorithmSuite = policy.keyGenerationAlgorithmSuite
): OpinionatedDefinePrimaryKey.V4 { ): OpinionatedDefinePrimaryKeyV4 {
return OpinionatedDefinePrimaryKey.V4(policy, creationTime, preferences) return OpinionatedDefinePrimaryKeyV4(policy, creationTime, preferences)
} }
/** /**
@ -64,8 +64,8 @@ class OpenPgpKeyGenerator internal constructor() {
policy: Policy = PGPainless.getPolicy(), policy: Policy = PGPainless.getPolicy(),
creationTime: Date = Date(), creationTime: Date = Date(),
preferences: AlgorithmSuite = AlgorithmSuite.v6AlgorithmSuite preferences: AlgorithmSuite = AlgorithmSuite.v6AlgorithmSuite
): OpinionatedDefinePrimaryKey.V6 { ): OpinionatedDefinePrimaryKeyV6 {
return OpinionatedDefinePrimaryKey.V6(policy, creationTime, preferences) return OpinionatedDefinePrimaryKeyV6(policy, creationTime, preferences)
} }
} }
} }
@ -153,76 +153,71 @@ internal constructor(
} }
as B as B
} }
}
/** /**
* Implementation of an [OpinionatedDefinePrimaryKey] for OpenPGP v4 keys. * Implementation of an [OpinionatedDefinePrimaryKey] for OpenPGP v4 keys.
* *
* @param policy policy for algorithm compliance and fallbacks * @param policy policy for algorithm compliance and fallbacks
* @param creationTime creation time of the primary key * @param creationTime creation time of the primary key
*/ */
class V4 internal constructor(policy: Policy, creationTime: Date, preferences: AlgorithmSuite) : class OpinionatedDefinePrimaryKeyV4
OpinionatedDefinePrimaryKey<OpinionatedDefineSubkeys.V4, UnopinionatedDefineSubkeys.V4>( internal constructor(policy: Policy, creationTime: Date, preferences: AlgorithmSuite) :
policy, OpinionatedDefinePrimaryKey<OpinionatedDefineSubkeysV4, UnopinionatedDefineSubkeysV4>(
creationTime, policy, creationTime, preferences, UnopinionatedDefinePrimaryKeyV4(policy, creationTime)) {
preferences,
UnopinionatedDefinePrimaryKey.V4(policy, creationTime)) {
override fun unopinionated(): UnopinionatedDefinePrimaryKey.V4 = override fun unopinionated(): UnopinionatedDefinePrimaryKeyV4 =
unopinionated as UnopinionatedDefinePrimaryKey.V4 unopinionated as UnopinionatedDefinePrimaryKeyV4
override fun setPrimaryKey( override fun setPrimaryKey(
type: KeyType, type: KeyType,
creationTime: Date, creationTime: Date,
applyToPrimaryKey: (ApplyToPrimaryKey.() -> PGPKeyPair)? applyToPrimaryKey: (ApplyToPrimaryKey.() -> PGPKeyPair)?
): OpinionatedDefineSubkeys.V4 { ): OpinionatedDefineSubkeysV4 {
require( require(policy.publicKeyAlgorithmPolicy.isAcceptable(type.algorithm, type.bitStrength)) {
policy.publicKeyAlgorithmPolicy.isAcceptable(type.algorithm, type.bitStrength)) { "Public Key algorithm ${type.algorithm} with ${type.bitStrength} is too weak" +
"Public Key algorithm ${type.algorithm} with ${type.bitStrength} is too weak" + " for the current public key algorithm policy."
" for the current public key algorithm policy." }
val applier =
applyToPrimaryKey
?: {
// Add default direct-key signature containing preferences
addDirectKeySignature(preferencesSubpackets())
} }
val applier = val unopinionatedSubkeys = unopinionated().setPrimaryKey(type, creationTime, applier)
applyToPrimaryKey return OpinionatedDefineSubkeysV4(
?: { unopinionatedSubkeys.primaryKey, policy, creationTime, unopinionatedSubkeys)
// Add default direct-key signature containing preferences
addDirectKeySignature(preferencesSubpackets())
}
val unopinionatedSubkeys = unopinionated().setPrimaryKey(type, creationTime, applier)
return OpinionatedDefineSubkeys.V4(
unopinionatedSubkeys.primaryKey, policy, creationTime, unopinionatedSubkeys)
}
} }
}
/** /**
* Implementation of an [OpinionatedDefinePrimaryKey] for OpenPGP v6 keys. * Implementation of an [OpinionatedDefinePrimaryKey] for OpenPGP v6 keys.
* *
* @param policy policy for algorithm compliance and fallbacks * @param policy policy for algorithm compliance and fallbacks
* @param creationTime creation time of the primary key * @param creationTime creation time of the primary key
*/ */
class V6 internal constructor(policy: Policy, creationTime: Date, preferences: AlgorithmSuite) : class OpinionatedDefinePrimaryKeyV6
OpinionatedDefinePrimaryKey<OpinionatedDefineSubkeys.V6, UnopinionatedDefineSubkeys.V6>( internal constructor(policy: Policy, creationTime: Date, preferences: AlgorithmSuite) :
OpinionatedDefinePrimaryKey<OpinionatedDefineSubkeysV6, UnopinionatedDefineSubkeysV6>(
policy, creationTime, preferences, UnopinionatedDefinePrimaryKeyV6(policy, creationTime)) {
override fun unopinionated(): UnopinionatedDefinePrimaryKeyV6 =
unopinionated as UnopinionatedDefinePrimaryKeyV6
override fun setPrimaryKey(
type: KeyType,
creationTime: Date,
applyToPrimaryKey: (ApplyToPrimaryKey.() -> PGPKeyPair)?
): OpinionatedDefineSubkeysV6 {
val applier = applyToPrimaryKey ?: { addDirectKeySignature(preferencesSubpackets()) }
return OpinionatedDefineSubkeysV6(
policy, policy,
creationTime, creationTime,
preferences, unopinionated.setPrimaryKey(type, creationTime, applier)
UnopinionatedDefinePrimaryKey.V6(policy, creationTime)) { as UnopinionatedDefineSubkeysV6)
override fun unopinionated(): UnopinionatedDefinePrimaryKey.V6 =
unopinionated as UnopinionatedDefinePrimaryKey.V6
override fun setPrimaryKey(
type: KeyType,
creationTime: Date,
applyToPrimaryKey: (ApplyToPrimaryKey.() -> PGPKeyPair)?
): OpinionatedDefineSubkeys.V6 {
val applier = applyToPrimaryKey ?: { addDirectKeySignature(preferencesSubpackets()) }
return OpinionatedDefineSubkeys.V6(
policy,
creationTime,
unopinionated.setPrimaryKey(type, creationTime, applier)
as UnopinionatedDefineSubkeys.V6)
}
} }
} }
@ -241,47 +236,47 @@ internal constructor(
override fun preferencesSubpackets(): SelfSignatureSubpackets.Callback = override fun preferencesSubpackets(): SelfSignatureSubpackets.Callback =
SelfSignatureSubpackets.nop() SelfSignatureSubpackets.nop()
}
/** /**
* Implementation of an [UnopinionatedDefinePrimaryKey] for OpenPGP v4 keys. * Implementation of an [UnopinionatedDefinePrimaryKey] for OpenPGP v4 keys.
* *
* @param creationTime creation time of the primary key * @param creationTime creation time of the primary key
*/ */
class V4 internal constructor(policy: Policy, creationTime: Date) : class UnopinionatedDefinePrimaryKeyV4 internal constructor(policy: Policy, creationTime: Date) :
UnopinionatedDefinePrimaryKey<UnopinionatedDefineSubkeys.V4>(policy, creationTime) { UnopinionatedDefinePrimaryKey<UnopinionatedDefineSubkeysV4>(policy, creationTime) {
override fun setPrimaryKey( override fun setPrimaryKey(
type: KeyType, type: KeyType,
creationTime: Date, creationTime: Date,
applyToPrimaryKey: (ApplyToPrimaryKey.() -> PGPKeyPair)? applyToPrimaryKey: (ApplyToPrimaryKey.() -> PGPKeyPair)?
): UnopinionatedDefineSubkeys.V4 { ): UnopinionatedDefineSubkeysV4 {
// generate primary key // generate primary key
var primaryKey = OpenPgpKeyPairGenerator.V4().generatePrimaryKey(type, creationTime) var primaryKey = OpenPgpKeyPairGenerator.V4().generatePrimaryKey(type, creationTime)
// add user-ids and direct-key signatures if requested // add user-ids and direct-key signatures if requested
if (applyToPrimaryKey != null) { if (applyToPrimaryKey != null) {
primaryKey = ApplyToPrimaryKey.V4(primaryKey, this).applyToPrimaryKey() primaryKey = ApplyToPrimaryKeyV4(primaryKey, this).applyToPrimaryKey()
}
// return builder for adding subkeys
return UnopinionatedDefineSubkeys.V4(primaryKey, policy, creationTime)
} }
// return builder for adding subkeys
return UnopinionatedDefineSubkeysV4(primaryKey, policy, creationTime)
} }
}
/** /**
* Implementation of an [UnopinionatedDefinePrimaryKey] for OpenPGP v6 keys. * Implementation of an [UnopinionatedDefinePrimaryKey] for OpenPGP v6 keys.
* *
* @param creationTime creation time of the primary key * @param creationTime creation time of the primary key
*/ */
class V6 internal constructor(policy: Policy, creationTime: Date) : class UnopinionatedDefinePrimaryKeyV6 internal constructor(policy: Policy, creationTime: Date) :
UnopinionatedDefinePrimaryKey<UnopinionatedDefineSubkeys.V6>(policy, creationTime) { UnopinionatedDefinePrimaryKey<UnopinionatedDefineSubkeysV6>(policy, creationTime) {
override fun setPrimaryKey( override fun setPrimaryKey(
type: KeyType, type: KeyType,
creationTime: Date, creationTime: Date,
applyToPrimaryKey: (ApplyToPrimaryKey.() -> PGPKeyPair)? applyToPrimaryKey: (ApplyToPrimaryKey.() -> PGPKeyPair)?
): UnopinionatedDefineSubkeys.V6 { ): UnopinionatedDefineSubkeysV6 {
return UnopinionatedDefineSubkeys.V6(policy, creationTime) return UnopinionatedDefineSubkeysV6(policy, creationTime)
}
} }
} }
@ -342,131 +337,135 @@ abstract class OpinionatedDefineSubkeys internal constructor(policy: Policy, cre
override fun build(protector: SecretKeyRingProtector): PGPSecretKeyRing = override fun build(protector: SecretKeyRingProtector): PGPSecretKeyRing =
unopinionated.build(protector) unopinionated.build(protector)
}
/** /**
* Implementation of an [OpinionatedDefineSubkeys] builder for version 4 OpenPGP keys. * Implementation of an [OpinionatedDefineSubkeys] builder for version 4 OpenPGP keys.
* *
* @param primaryKey version 4 OpenPGP primary key * @param primaryKey version 4 OpenPGP primary key
* @param policy policy * @param policy policy
* @param creationTime creation time of the OpenPGP key * @param creationTime creation time of the OpenPGP key
* @param unopinionated unopinionated variant of this builder * @param unopinionated unopinionated variant of this builder
*/ */
class V4 class OpinionatedDefineSubkeysV4
internal constructor( internal constructor(
primaryKey: PGPKeyPair, primaryKey: PGPKeyPair,
policy: Policy, policy: Policy,
creationTime: Date,
override val unopinionated: UnopinionatedDefineSubkeysV4 =
UnopinionatedDefineSubkeysV4(primaryKey, policy, creationTime)
) : OpinionatedDefineSubkeys(policy, creationTime) {
override fun addSubkey(
type: KeyType,
creationTime: Date, creationTime: Date,
override val unopinionated: UnopinionatedDefineSubkeys.V4 = applyToSubkey: (ApplyToSubkey.() -> PGPKeyPair)?
UnopinionatedDefineSubkeys.V4(primaryKey, policy, creationTime) ): OpinionatedDefineSubkeysV4 = apply {
) : OpinionatedDefineSubkeys(policy, creationTime) { unopinionated.addSubkey(type, creationTime, applyToSubkey)
override fun addSubkey(
type: KeyType,
creationTime: Date,
applyToSubkey: (ApplyToSubkey.() -> PGPKeyPair)?
): V4 = apply { unopinionated.addSubkey(type, creationTime, applyToSubkey) }
fun addSigningSubkey(
type: KeyType,
creationTime: Date = this.creationTime,
applyToSubkey: (ApplyToSubkey.() -> PGPKeyPair)? = {
addBindingSignature(
SelfSignatureSubpackets.applyHashed {
setSignatureCreationTime(creationTime)
setKeyFlags(KeyFlag.SIGN_DATA)
})
}
) = addSubkey(type, creationTime, applyToSubkey)
fun addEncryptionSubkey(
type: KeyType,
creationTime: Date = this.creationTime,
applyToSubkey: (ApplyToSubkey.() -> PGPKeyPair)? = {
addBindingSignature(
SelfSignatureSubpackets.applyHashed {
setSignatureCreationTime(creationTime)
setKeyFlags(KeyFlag.ENCRYPT_COMMS, KeyFlag.ENCRYPT_STORAGE)
})
}
) = addSubkey(type, creationTime, applyToSubkey)
} }
class V6 fun addSigningSubkey(
internal constructor( type: KeyType,
policy: Policy, creationTime: Date = this.creationTime,
creationTime: Date, applyToSubkey: (ApplyToSubkey.() -> PGPKeyPair)? = {
override val unopinionated: UnopinionatedDefineSubkeys.V6 = addBindingSignature(
UnopinionatedDefineSubkeys.V6(policy, creationTime) SelfSignatureSubpackets.applyHashed {
) : OpinionatedDefineSubkeys(policy, creationTime) { setSignatureCreationTime(creationTime)
setKeyFlags(KeyFlag.SIGN_DATA)
})
}
) = addSubkey(type, creationTime, applyToSubkey)
override fun addSubkey( fun addEncryptionSubkey(
type: KeyType, type: KeyType,
creationTime: Date, creationTime: Date = this.creationTime,
applyToSubkey: (ApplyToSubkey.() -> PGPKeyPair)? applyToSubkey: (ApplyToSubkey.() -> PGPKeyPair)? = {
): V6 = apply { unopinionated.addSubkey(type, creationTime, applyToSubkey) } addBindingSignature(
SelfSignatureSubpackets.applyHashed {
setSignatureCreationTime(creationTime)
setKeyFlags(KeyFlag.ENCRYPT_COMMS, KeyFlag.ENCRYPT_STORAGE)
})
}
) = addSubkey(type, creationTime, applyToSubkey)
}
class OpinionatedDefineSubkeysV6
internal constructor(
policy: Policy,
creationTime: Date,
override val unopinionated: UnopinionatedDefineSubkeysV6 =
UnopinionatedDefineSubkeysV6(policy, creationTime)
) : OpinionatedDefineSubkeys(policy, creationTime) {
override fun addSubkey(
type: KeyType,
creationTime: Date,
applyToSubkey: (ApplyToSubkey.() -> PGPKeyPair)?
): OpinionatedDefineSubkeysV6 = apply {
unopinionated.addSubkey(type, creationTime, applyToSubkey)
} }
} }
abstract class UnopinionatedDefineSubkeys internal constructor(policy: Policy, creationTime: Date) : abstract class UnopinionatedDefineSubkeys internal constructor(policy: Policy, creationTime: Date) :
DefineSubkeys<UnopinionatedDefineSubkeys>(policy, creationTime) { DefineSubkeys<UnopinionatedDefineSubkeys>(policy, creationTime)
class V4 internal constructor(val primaryKey: PGPKeyPair, policy: Policy, creationTime: Date) : class UnopinionatedDefineSubkeysV4
UnopinionatedDefineSubkeys(policy, creationTime) { internal constructor(val primaryKey: PGPKeyPair, policy: Policy, creationTime: Date) :
UnopinionatedDefineSubkeys(policy, creationTime) {
private val subkeys: MutableList<PGPKeyPair> = mutableListOf() private val subkeys: MutableList<PGPKeyPair> = mutableListOf()
override fun addSubkey( override fun addSubkey(
type: KeyType, type: KeyType,
creationTime: Date, creationTime: Date,
applyToSubkey: (ApplyToSubkey.() -> PGPKeyPair)? applyToSubkey: (ApplyToSubkey.() -> PGPKeyPair)?
): V4 = apply { ): UnopinionatedDefineSubkeysV4 = apply {
val subkey = OpenPgpKeyPairGenerator.V4().generateSubkey(type, creationTime) val subkey = OpenPgpKeyPairGenerator.V4().generateSubkey(type, creationTime)
subkeys.add( subkeys.add(
if (applyToSubkey == null) { if (applyToSubkey == null) {
subkey subkey
} else { } else {
ApplyToSubkey.V4(primaryKey, subkey, this).applyToSubkey() ApplyToSubkeyV4(primaryKey, subkey, this).applyToSubkey()
}) })
}
override fun build(protector: SecretKeyRingProtector): PGPSecretKeyRing {
val primary =
PGPSecretKey(
primaryKey.privateKey,
primaryKey.publicKey,
ImplementationFactory.getInstance().v4FingerprintCalculator,
true,
protector.getEncryptor(primaryKey.keyID))
return PGPSecretKeyRing(
buildList {
add(primary)
subkeys.forEach {
add(
PGPSecretKey(
it.privateKey,
it.publicKey,
ImplementationFactory.getInstance().v4FingerprintCalculator,
false,
protector.getEncryptor(it.keyID)))
}
})
}
} }
class V6 internal constructor(policy: Policy, creationTime: Date) : override fun build(protector: SecretKeyRingProtector): PGPSecretKeyRing {
UnopinionatedDefineSubkeys(policy, creationTime) { val primary =
PGPSecretKey(
primaryKey.privateKey,
primaryKey.publicKey,
ImplementationFactory.getInstance().v4FingerprintCalculator,
true,
protector.getEncryptor(primaryKey.keyID))
return PGPSecretKeyRing(
buildList {
add(primary)
subkeys.forEach {
add(
PGPSecretKey(
it.privateKey,
it.publicKey,
ImplementationFactory.getInstance().v4FingerprintCalculator,
false,
protector.getEncryptor(it.keyID)))
}
})
}
}
override fun addSubkey( class UnopinionatedDefineSubkeysV6 internal constructor(policy: Policy, creationTime: Date) :
type: KeyType, UnopinionatedDefineSubkeys(policy, creationTime) {
creationTime: Date,
applyToSubkey: (ApplyToSubkey.() -> PGPKeyPair)?
): V6 {
TODO("Not yet implemented")
}
override fun build(protector: SecretKeyRingProtector): PGPSecretKeyRing { override fun addSubkey(
TODO("Not yet implemented") type: KeyType,
} creationTime: Date,
applyToSubkey: (ApplyToSubkey.() -> PGPKeyPair)?
): UnopinionatedDefineSubkeysV6 {
TODO("Not yet implemented")
}
override fun build(protector: SecretKeyRingProtector): PGPSecretKeyRing {
TODO("Not yet implemented")
} }
} }
@ -567,150 +566,142 @@ internal constructor(var keyPair: PGPKeyPair, val builder: DefinePrimaryKey<*>)
* @return modified key pair after this and [other] have been executed * @return modified key pair after this and [other] have been executed
*/ */
abstract fun then(other: (ApplyToPrimaryKey.() -> PGPKeyPair)?): PGPKeyPair abstract fun then(other: (ApplyToPrimaryKey.() -> PGPKeyPair)?): PGPKeyPair
}
class V4 internal constructor(keyPair: PGPKeyPair, builder: DefinePrimaryKey<*>) : class ApplyToPrimaryKeyV4 internal constructor(keyPair: PGPKeyPair, builder: DefinePrimaryKey<*>) :
ApplyToPrimaryKey(keyPair, builder) { ApplyToPrimaryKey(keyPair, builder) {
override fun addUserId( override fun addUserId(
userId: CharSequence, userId: CharSequence,
subpacketsCallback: SelfSignatureSubpackets.Callback, subpacketsCallback: SelfSignatureSubpackets.Callback,
certificationType: CertificationType, certificationType: CertificationType,
hashAlgorithm: HashAlgorithm, hashAlgorithm: HashAlgorithm,
bindingTime: Date bindingTime: Date
): PGPKeyPair { ): PGPKeyPair {
val sig = val sig =
buildCertificationFor( buildCertificationFor(
keyPair, keyPair, userId, certificationType, bindingTime, hashAlgorithm, subpacketsCallback)
userId,
certificationType,
bindingTime,
hashAlgorithm,
subpacketsCallback)
keyPair = keyPair.plusCertification(userId, sig) keyPair = keyPair.plusCertification(userId, sig)
return keyPair return keyPair
}
override fun addUserAttribute(
userAttribute: PGPUserAttributeSubpacketVector,
subpacketsCallback: SelfSignatureSubpackets.Callback,
certificationType: CertificationType,
hashAlgorithm: HashAlgorithm,
bindingTime: Date
): PGPKeyPair {
val sig =
buildCertificationFor(
keyPair,
userAttribute,
certificationType,
bindingTime,
hashAlgorithm,
subpacketsCallback)
keyPair = keyPair.plusCertification(userAttribute, sig)
return keyPair
}
override fun addDirectKeySignature(
subpacketsCallback: SelfSignatureSubpackets.Callback,
hashAlgorithm: HashAlgorithm,
bindingTime: Date
): PGPKeyPair {
val sig =
buildDirectKeySignature(
keyPair,
hashAlgorithm,
subpacketsCallback.then(
SelfSignatureSubpackets.applyHashed { setSignatureCreationTime(bindingTime) }))
keyPair = keyPair.plusCertification(sig)
return keyPair
}
override fun then(other: (ApplyToPrimaryKey.() -> PGPKeyPair)?): PGPKeyPair {
if (other != null) {
keyPair = ApplyToPrimaryKeyV4(keyPair, builder).other()
} }
return keyPair
}
override fun addUserAttribute( /**
userAttribute: PGPUserAttributeSubpacketVector, * Build a certification signature that binds the given [userId] to the given primary key
subpacketsCallback: SelfSignatureSubpackets.Callback, * [pair].
certificationType: CertificationType, *
hashAlgorithm: HashAlgorithm, * @param pair primary key pair
bindingTime: Date * @param userId UserID to be bound
): PGPKeyPair { * @param certificationType type of the binding signature
val sig = * @param bindingTime creation time of the binding signature
buildCertificationFor( * @param hashAlgorithm hash algorithm to be used during signature calculation
keyPair, * @param subpacketsCallback callback to modify the binding signatures subpackets
userAttribute, * @return binding signature
certificationType, */
bindingTime, private fun buildCertificationFor(
hashAlgorithm, pair: PGPKeyPair,
subpacketsCallback) userId: CharSequence,
certificationType: CertificationType,
bindingTime: Date,
hashAlgorithm: HashAlgorithm,
subpacketsCallback: SelfSignatureSubpackets.Callback
): PGPSignature {
val builder =
SelfSignatureBuilder(
pair.privateKey, pair.publicKey, certificationType.signatureType, hashAlgorithm)
builder.hashedSubpackets.apply { setSignatureCreationTime(bindingTime) }
builder.applyCallback(subpacketsCallback)
return builder.build(userId)
}
keyPair = keyPair.plusCertification(userAttribute, sig) /**
return keyPair * Build a certification signature that binds the given [userAttribute] to the given primary key
} * [pair].
*
* @param pair primary key pair
* @param userAttribute UserAttribute to be bound
* @param certificationType type of the binding signature
* @param bindingTime creation time of the binding signature
* @param hashAlgorithm hash algorithm to be used during signature calculation
* @param subpacketsCallback callback to modify the binding signatures subpackets
* @return binding signature
*/
private fun buildCertificationFor(
pair: PGPKeyPair,
userAttribute: PGPUserAttributeSubpacketVector,
certificationType: CertificationType,
bindingTime: Date,
hashAlgorithm: HashAlgorithm,
subpacketsCallback: SelfSignatureSubpackets.Callback
): PGPSignature {
val builder =
SelfSignatureBuilder(
pair.privateKey, pair.publicKey, certificationType.signatureType, hashAlgorithm)
builder.hashedSubpackets.apply { setSignatureCreationTime(bindingTime) }
builder.applyCallback(subpacketsCallback)
return builder.build(userAttribute)
}
override fun addDirectKeySignature( /**
subpacketsCallback: SelfSignatureSubpackets.Callback, * Build a DirectKey self signature over the primary key [pair].
hashAlgorithm: HashAlgorithm, *
bindingTime: Date * @param pair primary key pair
): PGPKeyPair { * @param hashAlgorithm hash algorithm to be used during signature calculation
val sig = * @param subpacketsCallback callback to modify the subpackets of the direct-key signature
buildDirectKeySignature( * @return direct-key self signature
keyPair, */
hashAlgorithm, private fun buildDirectKeySignature(
subpacketsCallback.then( pair: PGPKeyPair,
SelfSignatureSubpackets.applyHashed { hashAlgorithm: HashAlgorithm,
setSignatureCreationTime(bindingTime) subpacketsCallback: SelfSignatureSubpackets.Callback
})) ): PGPSignature {
keyPair = keyPair.plusCertification(sig) val builder = DirectKeySelfSignatureBuilder(pair.privateKey, pair.publicKey, hashAlgorithm)
return keyPair
}
override fun then(other: (ApplyToPrimaryKey.() -> PGPKeyPair)?): PGPKeyPair { builder.applyCallback(subpacketsCallback)
if (other != null) {
keyPair = V4(keyPair, builder).other()
}
return keyPair
}
/** return builder.build()
* Build a certification signature that binds the given [userId] to the given primary key
* [pair].
*
* @param pair primary key pair
* @param userId UserID to be bound
* @param certificationType type of the binding signature
* @param bindingTime creation time of the binding signature
* @param hashAlgorithm hash algorithm to be used during signature calculation
* @param subpacketsCallback callback to modify the binding signatures subpackets
* @return binding signature
*/
private fun buildCertificationFor(
pair: PGPKeyPair,
userId: CharSequence,
certificationType: CertificationType,
bindingTime: Date,
hashAlgorithm: HashAlgorithm,
subpacketsCallback: SelfSignatureSubpackets.Callback
): PGPSignature {
val builder =
SelfSignatureBuilder(
pair.privateKey, pair.publicKey, certificationType.signatureType, hashAlgorithm)
builder.hashedSubpackets.apply { setSignatureCreationTime(bindingTime) }
builder.applyCallback(subpacketsCallback)
return builder.build(userId)
}
/**
* Build a certification signature that binds the given [userAttribute] to the given primary
* key [pair].
*
* @param pair primary key pair
* @param userAttribute UserAttribute to be bound
* @param certificationType type of the binding signature
* @param bindingTime creation time of the binding signature
* @param hashAlgorithm hash algorithm to be used during signature calculation
* @param subpacketsCallback callback to modify the binding signatures subpackets
* @return binding signature
*/
private fun buildCertificationFor(
pair: PGPKeyPair,
userAttribute: PGPUserAttributeSubpacketVector,
certificationType: CertificationType,
bindingTime: Date,
hashAlgorithm: HashAlgorithm,
subpacketsCallback: SelfSignatureSubpackets.Callback
): PGPSignature {
val builder =
SelfSignatureBuilder(
pair.privateKey, pair.publicKey, certificationType.signatureType, hashAlgorithm)
builder.hashedSubpackets.apply { setSignatureCreationTime(bindingTime) }
builder.applyCallback(subpacketsCallback)
return builder.build(userAttribute)
}
/**
* Build a DirectKey self signature over the primary key [pair].
*
* @param pair primary key pair
* @param hashAlgorithm hash algorithm to be used during signature calculation
* @param subpacketsCallback callback to modify the subpackets of the direct-key signature
* @return direct-key self signature
*/
private fun buildDirectKeySignature(
pair: PGPKeyPair,
hashAlgorithm: HashAlgorithm,
subpacketsCallback: SelfSignatureSubpackets.Callback
): PGPSignature {
val builder =
DirectKeySelfSignatureBuilder(pair.privateKey, pair.publicKey, hashAlgorithm)
builder.applyCallback(subpacketsCallback)
return builder.build()
}
} }
} }
@ -742,70 +733,70 @@ internal constructor(
builder.policy.certificationSignatureHashAlgorithmPolicy.defaultHashAlgorithm, builder.policy.certificationSignatureHashAlgorithmPolicy.defaultHashAlgorithm,
bindingTime: Date = subkey.publicKey.creationTime bindingTime: Date = subkey.publicKey.creationTime
): PGPKeyPair ): PGPKeyPair
}
/**
* Implementation of the [ApplyToSubkey] function tailored to OpenPGP v4 keys.
*
* @param primaryKey primary key pair
* @param subkey subkey pair
* @param builder builder instance that generated the subkey
*/
class ApplyToSubkeyV4
internal constructor(primaryKey: PGPKeyPair, subkey: PGPKeyPair, builder: DefineSubkeys<*>) :
ApplyToSubkey(primaryKey, subkey, builder) {
override fun addBindingSignature(
subpacketsCallback: SelfSignatureSubpackets.Callback,
hashAlgorithm: HashAlgorithm,
bindingTime: Date
): PGPKeyPair {
val sig =
buildBindingSignature(
primaryKey, subkey, hashAlgorithm, bindingTime, subpacketsCallback)
subkey = subkey.plusCertification(sig)
return subkey
}
/** /**
* Implementation of the [ApplyToSubkey] function tailored to OpenPGP v4 keys. * Generate a version 4 binding signature that binds the [subkey] to the [primaryKey].
* *
* @param primaryKey primary key pair * @param primaryKey primary key pair
* @param subkey subkey pair * @param subkey subkey pair
* @param builder builder instance that generated the subkey * @param hashAlgorithm hash algorithm to be used during signature calculation
* @param bindingTime creation time of the subkey
* @param subpacketsCallback callback to modify the subpackets of the binding signature
* @return subkey binding signature
*/ */
class V4 private fun buildBindingSignature(
internal constructor(primaryKey: PGPKeyPair, subkey: PGPKeyPair, builder: DefineSubkeys<*>) : primaryKey: PGPKeyPair,
ApplyToSubkey(primaryKey, subkey, builder) { subkey: PGPKeyPair,
hashAlgorithm: HashAlgorithm,
bindingTime: Date,
subpacketsCallback: SelfSignatureSubpackets.Callback
): PGPSignature {
return SubkeyBindingSignatureBuilder(primaryKey, hashAlgorithm)
.applyCallback(
subpacketsCallback
.then(
SelfSignatureSubpackets.applyHashed {
setSignatureCreationTime(bindingTime)
})
.then(
SelfSignatureSubpackets.applyHashed {
if (isSigningCapable(getKeyFlags())) {
addEmbeddedSignature(
PrimaryKeyBindingSignatureBuilder(subkey, hashAlgorithm)
.build(primaryKey))
}
}))
.build(subkey)
}
override fun addBindingSignature( private fun isSigningCapable(flags: List<KeyFlag>?): Boolean {
subpacketsCallback: SelfSignatureSubpackets.Callback, val signCapableFlags = listOf(KeyFlag.SIGN_DATA, KeyFlag.CERTIFY_OTHER)
hashAlgorithm: HashAlgorithm, return flags?.any { signCapableFlags.contains(it) } ?: false
bindingTime: Date
): PGPKeyPair {
val sig =
buildBindingSignature(
primaryKey, subkey, hashAlgorithm, bindingTime, subpacketsCallback)
subkey = subkey.plusCertification(sig)
return subkey
}
/**
* Generate a version 4 binding signature that binds the [subkey] to the [primaryKey].
*
* @param primaryKey primary key pair
* @param subkey subkey pair
* @param hashAlgorithm hash algorithm to be used during signature calculation
* @param bindingTime creation time of the subkey
* @param subpacketsCallback callback to modify the subpackets of the binding signature
* @return subkey binding signature
*/
private fun buildBindingSignature(
primaryKey: PGPKeyPair,
subkey: PGPKeyPair,
hashAlgorithm: HashAlgorithm,
bindingTime: Date,
subpacketsCallback: SelfSignatureSubpackets.Callback
): PGPSignature {
return SubkeyBindingSignatureBuilder(primaryKey, hashAlgorithm)
.applyCallback(
subpacketsCallback
.then(
SelfSignatureSubpackets.applyHashed {
setSignatureCreationTime(bindingTime)
})
.then(
SelfSignatureSubpackets.applyHashed {
if (isSigningCapable(getKeyFlags())) {
addEmbeddedSignature(
PrimaryKeyBindingSignatureBuilder(subkey, hashAlgorithm)
.build(primaryKey))
}
}))
.build(subkey)
}
private fun isSigningCapable(flags: List<KeyFlag>?): Boolean {
val signCapableFlags = listOf(KeyFlag.SIGN_DATA, KeyFlag.CERTIFY_OTHER)
return flags?.any { signCapableFlags.contains(it) } ?: false
}
} }
} }