26 lines
589 B
Go
26 lines
589 B
Go
// Copyright © 2016 Alan A. A. Donovan & Brian W. Kernighan.
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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// See page 83.
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// The sha256 command computes the SHA256 hash (an array) of a string.
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package main
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import "fmt"
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//!+
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import "crypto/sha256"
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func main() {
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c1 := sha256.Sum256([]byte("x"))
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c2 := sha256.Sum256([]byte("X"))
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fmt.Printf("%x\n%x\n%t\n%T\n", c1, c2, c1 == c2, c1)
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// Output:
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// 2d711642b726b04401627ca9fbac32f5c8530fb1903cc4db02258717921a4881
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// 4b68ab3847feda7d6c62c1fbcbeebfa35eab7351ed5e78f4ddadea5df64b8015
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// false
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// [32]uint8
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}
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//!-
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