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https://github.com/unknwon/the-way-to-go_ZH_CN.git
synced 2025-08-11 19:41:43 +08:00
33 lines
686 B
Go
33 lines
686 B
Go
// hash_sha1.go
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package main
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import (
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"crypto/sha1"
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"fmt"
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"io"
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"log"
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)
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func main() {
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hasher := sha1.New()
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io.WriteString(hasher, "test")
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b := []byte{}
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fmt.Printf("Result: %x\n", hasher.Sum(b))
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fmt.Printf("Result: %d\n", hasher.Sum(b))
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//
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hasher.Reset()
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data := []byte("We shall overcome!")
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n, err := hasher.Write(data)
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if n != len(data) || err != nil {
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log.Printf("Hash write error: %v / %v", n, err)
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}
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checksum := hasher.Sum(b)
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fmt.Printf("Result: %x\n", checksum)
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}
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/* Output:
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Result: a94a8fe5ccb19ba61c4c0873d391e987982fbbd3
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Result: [169 74 143 229 204 177 155 166 28 76 8 115 211 145 233 135 152 47 187 211]
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Result: e2222bfc59850bbb00a722e764a555603bb59b2a
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*/
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