[Android, iOS] added expected/missing methods to platform source sets

waltid-libraries/crypto/waltid-crypto-android/src/androidMain/kotlin/id/walt/crypto/keys/AndroidKey.kt

@@ -201,6 +201,8 @@ class AndroidKey() : Key() {
         TODO("Not yet implemented")
     }
 
+    override suspend fun deleteKey(): Boolean = kotlin.runCatching { keyStore.deleteEntry(internalKeyId) }.isSuccess
+
     private fun getSignature(): Signature {
         val sig = when (keyType) {
             KeyType.secp256k1 -> Signature.getInstance(

waltid-libraries/crypto/waltid-crypto-ios/src/iosMain/kotlin/id/walt/crypto/IosKey.kt

@@ -222,6 +222,15 @@ class IosKey private constructor(
     override suspend fun getMeta(): KeyMeta {
         error("Not yet implemented")
     }
+
+    override suspend fun deleteKey(): Boolean = kotlin.runCatching {
+        when (options.keyType) {
+            KeyType.secp256r1 -> P256.PrivateKey.deleteFromKeychain(options.kid)
+            KeyType.Ed25519 -> Ed25519.PrivateKey.deleteFromKeychain(options.kid)
+            KeyType.RSA -> RSA.PrivateKey.deleteFromKeychain(options.kid)
+            else -> error("Not implemented")
+        }
+    }.isSuccess
 }
 
 // utility functions for swift

waltid-libraries/crypto/waltid-crypto/src/iosMain/kotlin/id/walt/crypto/keys/jwk/JWKKey.ios.kt

@@ -109,6 +109,10 @@ actual class JWKKey actual constructor(private val jwk: String?, private val _ke
         TODO("Not yet implemented")
     }
 
+    actual override suspend fun deleteKey(): Boolean {
+        TODO("Not yet implemented")
+    }
+
     actual override val hasPrivateKey: Boolean
         get() = _jwkObj.toMap().any { it.key in privateParameters }
 

waltid-libraries/protocols/waltid-openid4vc/src/iosMain/kotlin/id/walt/oid4vc/util/COSESign1Utils.ios.kt

@@ -0,0 +1,12 @@
+package id.walt.oid4vc.util
+
+import id.walt.oid4vc.providers.TokenTarget
+
+actual object COSESign1Utils {
+    actual fun verifyCOSESign1Signature(
+        target: TokenTarget,
+        token: String
+    ): Boolean {
+        TODO("Not yet implemented")
+    }
+}