Initial project import

tools/v/vlib/crypto/rand/rand.v

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+// Copyright (c) 2019-2024 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+
+module rand
+
+struct ReadError {
+	Error
+}
+
+// msg returns the error message.
+pub fn (err ReadError) msg() string {
+	return 'crypto.rand.read() error reading random bytes'
+}
+
+// bytes returns an array of `bytes_needed` random bytes.
+// Note: this call can block your program for a long period of time,
+// if your system does not have access to enough entropy.
+// See also rand.bytes(), if you do not need really random bytes,
+// but instead pseudo random ones, from a pseudo random generator
+// that can be seeded, and that is usually faster.
+pub fn bytes(bytes_needed int) ![]u8 {
+	return read(bytes_needed)
+}