YoungBlood/crypto2
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+Multikey.AnyKey

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sergeych committed 2024-09-22 22:54:31 +03:00
1 parent 1191de284e
commit 4cbc17334c
2 files changed
+58 -32
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src/commonMain/kotlin/net/sergeych/crypto2/Multikey.kt
+30 -20
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@@ -3,6 +3,7 @@ package net.sergeych.crypto2
import kotlinx.serialization.SerialName
import kotlinx.serialization.Serializable
import net.sergeych.bipack.Unsigned
import net.sergeych.crypto2.Multikey.AnyKey
import net.sergeych.crypto2.Multikey.Companion.allOf
import net.sergeych.crypto2.Multikey.Companion.allOfMultikeys
import net.sergeych.crypto2.Multikey.Companion.anyOf
@@ -36,6 +37,7 @@ import net.sergeych.crypto2.Multikey.Companion.someOfMultikeys
* - [someOfMultikeys], [someOf] family for `n of M` logic
* - [anyOfMultikeys], [anyOf], [allOf], and [allOfMultikeys]
* - [invoke] for a single-key multikey
* - [AnyKey] when you need effectively match any key, useful when you need a `var` `Multikey`.
*
* __Important__. When serializing, always serialize as root [Multikey] instance to keep
* it compatible with any combination.
@@ -53,17 +55,17 @@ sealed class Multikey {
*/
fun check(vararg verifyingKeys: VerifyingPublicKey): Boolean = check(verifyingKeys.asIterable())
infix fun or(mk: Multikey): Multikey = SomeOf(1, listOf(this,mk))
infix fun or(mk: Multikey): Multikey = SomeOf(1, listOf(this, mk))
infix fun or(k: VerifyingPublicKey) = SomeOf( 1, listOf(this, Multikey(k)))
infix fun or(k: VerifyingPublicKey) = SomeOf(1, listOf(this, Multikey(k)))
infix fun or(k: SigningSecretKey) = SomeOf( 1, listOf(this, Multikey(k.verifyingKey)))
infix fun or(k: SigningSecretKey) = SomeOf(1, listOf(this, Multikey(k.verifyingKey)))
infix fun and(mk: Multikey): Multikey = SomeOf(2, listOf(this,mk))
infix fun and(mk: Multikey): Multikey = SomeOf(2, listOf(this, mk))
infix fun and(k: VerifyingPublicKey) = SomeOf( 2, listOf(this, Multikey(k)))
infix fun and(k: VerifyingPublicKey) = SomeOf(2, listOf(this, Multikey(k)))
infix fun and(k: SigningSecretKey) = SomeOf( 2, listOf(this, Multikey(k.verifyingKey)))
infix fun and(k: SigningSecretKey) = SomeOf(2, listOf(this, Multikey(k.verifyingKey)))
/**
* Multikey instance implementing `m of N` logic against [VerifyingPublicKey] set. Do not use
@@ -74,13 +76,13 @@ sealed class Multikey {
class Keys internal constructor(
@Unsigned
val requiredMinimum: Int,
val validKeys: Set<VerifyingPublicKey>
val validKeys: Set<VerifyingPublicKey>,
) : Multikey() {
override fun check(keys: Iterable<VerifyingPublicKey>): Boolean {
var matches = 0
for( signer in keys ) {
if( signer in validKeys) {
if( ++matches >= requiredMinimum ) return true
for (signer in keys) {
if (signer in validKeys) {
if (++matches >= requiredMinimum) return true
}
}
return false
@@ -96,24 +98,34 @@ sealed class Multikey {
class SomeOf internal constructor(
@Unsigned
val requiredMinimum: Int,
val validKeys: List<Multikey>
val validKeys: List<Multikey>,
) : Multikey() {
override fun check(keys: Iterable<VerifyingPublicKey>): Boolean {
var matches = 0
for( k in validKeys ) {
if( k.check(keys) ) {
if( ++matches >= requiredMinimum ) return true
for (k in validKeys) {
if (k.check(keys)) {
if (++matches >= requiredMinimum) return true
}
}
return false
}
}
/**
* Special `AnyKey`: no restrictions, any key will satisfy this. In the rare case to mark
* publicly available operations, etc. Please note it is an object, not a class, and can't
* be instantiated.
*/
@Serializable
object AnyKey : Multikey() {
override fun check(keys: Iterable<VerifyingPublicKey>): Boolean = true
}
companion object {
operator fun invoke(k: SigningSecretKey): Multikey = Keys(1, setOf( k.verifyingKey))
operator fun invoke(k: VerifyingPublicKey): Multikey = Keys(1, setOf( k))
operator fun invoke(k: SigningSecretKey): Multikey = Keys(1, setOf(k.verifyingKey))
operator fun invoke(k: VerifyingPublicKey): Multikey = Keys(1, setOf(k))
/**
* Create a multikey instance that requires some keys from a list
@@ -142,7 +154,7 @@ sealed class Multikey {
/**
* Create a multikey instance that requires any key from a list
*/
fun anyOf(vararg keys: VerifyingPublicKey): Multikey = someOf(1, *keys)
fun anyOf(vararg keys: VerifyingPublicKey): Multikey = someOf(1, *keys)
/**
* Create a multikey instance that requires any key from a list
@@ -163,7 +175,7 @@ sealed class Multikey {
/**
* Create a multikey instance that requires all keys from a list
*/
fun allOf(vararg keys: VerifyingPublicKey): Multikey = someOf(keys.size, *keys)
fun allOf(vararg keys: VerifyingPublicKey): Multikey = someOf(keys.size, *keys)
/**
* Create a multikey instance that requires all keys from a list
@@ -181,7 +193,5 @@ sealed class Multikey {
fun allOf(keys: List<VerifyingPublicKey>): Multikey = someOf(keys.size, keys)
}
}