[android-components](../../index.md) / [mozilla.components.lib.push.firebase](../index.md) / [AbstractFirebasePushService](index.md) / [MESSAGE_KEY_CRYPTO_KEY](./-m-e-s-s-a-g-e_-k-e-y_-c-r-y-p-t-o_-k-e-y.md)

# MESSAGE_KEY_CRYPTO_KEY

`const val MESSAGE_KEY_CRYPTO_KEY: `[`String`](https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html) [(source)](https://github.com/mozilla-mobile/android-components/blob/master/components/lib/push-firebase/src/main/java/mozilla/components/lib/push/firebase/AbstractFirebasePushService.kt#L113)