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Reverts the use of our own Secp256K1 until faster than native

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This commit is contained in:
Vitor Pamplona
2026-04-06 16:31:38 -04:00
parent e0fc42e955
commit b60a0bcae8
5 changed files with 251 additions and 20 deletions
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quartz/src/androidMain/kotlin/com/vitorpamplona/quartz/utils/Secp256k1Instance.android.kt
+59
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@@ -0,0 +1,59 @@
/*
* Copyright (c) 2025 Vitor Pamplona
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
* Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package com.vitorpamplona.quartz.utils
import fr.acinq.secp256k1.Secp256k1
actual object Secp256k1Instance {
private val h02 = Hex.decode("02")
private val secp256k1 = Secp256k1.get()
actual fun compressedPubKeyFor(privKey: ByteArray) = secp256k1.pubKeyCompress(secp256k1.pubkeyCreate(privKey))
actual fun isPrivateKeyValid(il: ByteArray): Boolean = secp256k1.secKeyVerify(il)
actual fun signSchnorr(
data: ByteArray,
privKey: ByteArray,
nonce: ByteArray?,
): ByteArray = secp256k1.signSchnorr(data, privKey, nonce)
actual fun signSchnorr(
data: ByteArray,
privKey: ByteArray,
): ByteArray = secp256k1.signSchnorr(data, privKey, null)
actual fun verifySchnorr(
signature: ByteArray,
hash: ByteArray,
pubKey: ByteArray,
): Boolean = secp256k1.verifySchnorr(signature, hash, pubKey)
actual fun privateKeyAdd(
first: ByteArray,
second: ByteArray,
): ByteArray = secp256k1.privKeyTweakAdd(first, second)
actual fun pubKeyTweakMulCompact(
pubKey: ByteArray,
privateKey: ByteArray,
): ByteArray = secp256k1.pubKeyTweakMul(h02 + pubKey, privateKey).copyOfRange(1, 33)
}
quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/utils/Secp256k1Instance.kt
+8 -20
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@@ -20,47 +20,35 @@
*/
package com.vitorpamplona.quartz.utils
import com.vitorpamplona.quartz.utils.secp256k1.Secp256k1
expect object Secp256k1Instance {
fun compressedPubKeyFor(privKey: ByteArray): ByteArray
object Secp256k1Instance {
private val h02 = Hex.decode("02")
fun compressedPubKeyFor(privKey: ByteArray) = Secp256k1.pubKeyCompress(Secp256k1.pubkeyCreate(privKey))
fun isPrivateKeyValid(il: ByteArray): Boolean = Secp256k1.secKeyVerify(il)
fun isPrivateKeyValid(il: ByteArray): Boolean
fun signSchnorr(
data: ByteArray,
privKey: ByteArray,
nonce: ByteArray? = RandomInstance.bytes(32),
): ByteArray = Secp256k1.signSchnorr(data, privKey, nonce)
): ByteArray
fun signSchnorr(
data: ByteArray,
privKey: ByteArray,
): ByteArray = Secp256k1.signSchnorr(data, privKey, null)
/** Fast signing with pre-computed compressed public key (skips G multiplication). */
fun signSchnorrWithPubKey(
data: ByteArray,
privKey: ByteArray,
compressedPubKey: ByteArray,
nonce: ByteArray? = RandomInstance.bytes(32),
): ByteArray = Secp256k1.signSchnorrWithPubKey(data, privKey, compressedPubKey, nonce)
): ByteArray
fun verifySchnorr(
signature: ByteArray,
hash: ByteArray,
pubKey: ByteArray,
): Boolean = Secp256k1.verifySchnorr(signature, hash, pubKey)
): Boolean
fun privateKeyAdd(
first: ByteArray,
second: ByteArray,
): ByteArray = Secp256k1.privKeyTweakAdd(first, second)
): ByteArray
fun pubKeyTweakMulCompact(
pubKey: ByteArray,
privateKey: ByteArray,
): ByteArray = Secp256k1.ecdhXOnly(pubKey, privateKey)
): ByteArray
}
quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/utils/Secp256k1InstanceOurs.kt
+66
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@@ -0,0 +1,66 @@
/*
* Copyright (c) 2025 Vitor Pamplona
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
* Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package com.vitorpamplona.quartz.utils
import com.vitorpamplona.quartz.utils.secp256k1.Secp256k1
object Secp256k1InstanceOurs {
private val h02 = Hex.decode("02")
fun compressedPubKeyFor(privKey: ByteArray) = Secp256k1.pubKeyCompress(Secp256k1.pubkeyCreate(privKey))
fun isPrivateKeyValid(il: ByteArray): Boolean = Secp256k1.secKeyVerify(il)
fun signSchnorr(
data: ByteArray,
privKey: ByteArray,
nonce: ByteArray? = RandomInstance.bytes(32),
): ByteArray = Secp256k1.signSchnorr(data, privKey, nonce)
fun signSchnorr(
data: ByteArray,
privKey: ByteArray,
): ByteArray = Secp256k1.signSchnorr(data, privKey, null)
/** Fast signing with pre-computed compressed public key (skips G multiplication). */
fun signSchnorrWithPubKey(
data: ByteArray,
privKey: ByteArray,
compressedPubKey: ByteArray,
nonce: ByteArray? = RandomInstance.bytes(32),
): ByteArray = Secp256k1.signSchnorrWithPubKey(data, privKey, compressedPubKey, nonce)
fun verifySchnorr(
signature: ByteArray,
hash: ByteArray,
pubKey: ByteArray,
): Boolean = Secp256k1.verifySchnorr(signature, hash, pubKey)
fun privateKeyAdd(
first: ByteArray,
second: ByteArray,
): ByteArray = Secp256k1.privKeyTweakAdd(first, second)
fun pubKeyTweakMulCompact(
pubKey: ByteArray,
privateKey: ByteArray,
): ByteArray = Secp256k1.ecdhXOnly(pubKey, privateKey)
}
quartz/src/jvmMain/kotlin/com/vitorpamplona/quartz/utils/Secp256k1Instance.jvm.kt
+59
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@@ -0,0 +1,59 @@
/*
* Copyright (c) 2025 Vitor Pamplona
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
* Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package com.vitorpamplona.quartz.utils
import fr.acinq.secp256k1.Secp256k1
actual object Secp256k1Instance {
private val h02 = Hex.decode("02")
private val secp256k1 = Secp256k1.get()
actual fun compressedPubKeyFor(privKey: ByteArray) = secp256k1.pubKeyCompress(secp256k1.pubkeyCreate(privKey))
actual fun isPrivateKeyValid(il: ByteArray): Boolean = secp256k1.secKeyVerify(il)
actual fun signSchnorr(
data: ByteArray,
privKey: ByteArray,
nonce: ByteArray?,
): ByteArray = secp256k1.signSchnorr(data, privKey, nonce)
actual fun signSchnorr(
data: ByteArray,
privKey: ByteArray,
): ByteArray = secp256k1.signSchnorr(data, privKey, null)
actual fun verifySchnorr(
signature: ByteArray,
hash: ByteArray,
pubKey: ByteArray,
): Boolean = secp256k1.verifySchnorr(signature, hash, pubKey)
actual fun privateKeyAdd(
first: ByteArray,
second: ByteArray,
): ByteArray = secp256k1.privKeyTweakAdd(first, second)
actual fun pubKeyTweakMulCompact(
pubKey: ByteArray,
privateKey: ByteArray,
): ByteArray = secp256k1.pubKeyTweakMul(h02 + pubKey, privateKey).copyOfRange(1, 33)
}
quartz/src/nativeMain/kotlin/com/vitorpamplona/quartz/utils/Secp256k1Instance.native.kt
+59
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@@ -0,0 +1,59 @@
/*
* Copyright (c) 2025 Vitor Pamplona
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
* Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package com.vitorpamplona.quartz.utils
import fr.acinq.secp256k1.Secp256k1
actual object Secp256k1Instance {
private val h02 = Hex.decode("02")
private val secp256k1Ref = Secp256k1.get()
actual fun compressedPubKeyFor(privKey: ByteArray): ByteArray = secp256k1Ref.pubKeyCompress(secp256k1Ref.pubkeyCreate(privKey))
actual fun isPrivateKeyValid(il: ByteArray): Boolean = secp256k1Ref.secKeyVerify(il)
actual fun signSchnorr(
data: ByteArray,
privKey: ByteArray,
nonce: ByteArray?,
): ByteArray = secp256k1Ref.signSchnorr(data, privKey, nonce)
actual fun signSchnorr(
data: ByteArray,
privKey: ByteArray,
): ByteArray = secp256k1Ref.signSchnorr(data, privKey, null)
actual fun verifySchnorr(
signature: ByteArray,
hash: ByteArray,
pubKey: ByteArray,
): Boolean = secp256k1Ref.verifySchnorr(signature, hash, pubKey)
actual fun privateKeyAdd(
first: ByteArray,
second: ByteArray,
): ByteArray = secp256k1Ref.privKeyTweakAdd(first, second)
actual fun pubKeyTweakMulCompact(
pubKey: ByteArray,
privateKey: ByteArray,
): ByteArray = secp256k1Ref.pubKeyTweakMul(h02 + pubKey, privateKey).copyOfRange(1, 33)
}