Remove get_output_size() method from keymaster HAL.
Rather than requiring implementations to be able to predict output
sizes, we'll just have the Java layer make a very conservative guess.
Change-Id: I4ef53a09d122d4ecf0c80b9dadc9c7a9073561cc
diff --git a/include/hardware/keymaster.h b/include/hardware/keymaster.h
index 2c6e29d..40380ad 100644
--- a/include/hardware/keymaster.h
+++ b/include/hardware/keymaster.h
@@ -556,18 +556,6 @@
keymaster_operation_handle_t* operation_handle);
/**
- * Get an estimate of the output that will be generated by calling update() with the specified
- * number of input bytes, followed by finish(). The estimate may not be exact, but is
- * guaranteed not to be smaller than sum of the output lengths from update() and finish(). The
- * estimate takes into account input data already provided.
- *
- * \param[in] input_length The number of additional input bytes to be processed.
- *
- * \param[out] output_estimate The length of the output that will be produced.
- */
- keymaster_error_t (*get_output_size)(size_t input_length, size_t* output_estimate);
-
- /**
* Provides data to, and possibly receives output from, an ongoing cryptographic operation begun
* with begin().
*
