Source file src/crypto/rand/rand_darwin.go

Documentation: crypto/rand

     1  // Copyright 2024 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package rand
     6  
     7  import "internal/syscall/unix"
     8  
     9  func init() {
    10  	// arc4random_buf is the recommended application CSPRNG, accepts buffers of
    11  	// any size, and never returns an error.
    12  	//
    13  	// "The subsystem is re-seeded from the kernel random number subsystem on a
    14  	// regular basis, and also upon fork(2)." - arc4random(3)
    15  	//
    16  	// Note that despite its legacy name, it uses a secure CSPRNG (not RC4) in
    17  	// all supported macOS versions.
    18  	altGetRandom = func(b []byte) error { unix.ARC4Random(b); return nil }
    19  }
    20  

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