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+(* Copyright 2015 the Massachusetts Institute of Technology
+
+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. *)
+
+(* Generates a random int, chosen uniformly using a cryptographically secure
+entropy pool. *)
+val int : transaction int
+
+(* Returns a blob containing the specified number of cryptographically secure
+pseudorandom bytes. You must specify a nonnegative number equal or less than
+INT_MAX as defined by your platform. *)
+val bytes : int -> transaction blob