blob: 32748e0ab5d1fcef6e69c5581a8fc1c38fdadf33 [file] [log] [blame]
/*
* Copyright 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package androidx.credentials.webauthn
import androidx.annotation.RequiresApi
import androidx.annotation.RestrictTo
import androidx.credentials.provider.CallingAppInfo
import java.security.MessageDigest
@RestrictTo(RestrictTo.Scope.LIBRARY)
@RequiresApi(28)
internal class WebAuthnUtilsApi28 {
companion object {
fun appInfoToOrigin(info: CallingAppInfo): String {
val cert = info.signingInfo.apkContentsSigners[0].toByteArray()
val md = MessageDigest.getInstance("SHA-256")
val certHash = md.digest(cert)
return "android:apk-key-hash:${WebAuthnUtils.b64Encode(certHash)}"
}
}
}