Source file src/crypto/internal/rand/random_fips140v1.0.go

     1  // Copyright 2026 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  //go:build fips140v1.0 || fips140v1.26
     6  
     7  package rand
     8  
     9  import (
    10  	"crypto/internal/fips140/drbg"
    11  	"io"
    12  )
    13  
    14  // IsDefaultReader reports whether r is the default [crypto/rand.Reader].
    15  //
    16  // If true, the Read method of r can be assumed to call [drbg.Read].
    17  func IsDefaultReader(r io.Reader) bool {
    18  	_, ok := r.(drbg.DefaultReader)
    19  	return ok
    20  }
    21  

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