/
sha.go
115 lines (106 loc) · 2.52 KB
/
sha.go
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package sign
import (
"crypto/sha1"
"crypto/sha256"
"crypto/sha512"
"encoding/hex"
"fmt"
"hash"
"os"
"strings"
"github.com/spf13/cobra"
)
var sha1Cmd = &cobra.Command{
Use: "sha",
Short: `sha签名计算, bit: 1, 224, 256, 384, 512`,
Run: func(c *cobra.Command, args []string) {
input, _ := c.Flags().GetString("input")
if len(args) == 0 && len(input) == 0 {
c.Help()
}
if len(input) != 0 {
value, err := os.ReadFile(input)
if err != nil {
fmt.Println("sign file error, ", err)
} else {
sha1sum(c, value)
}
}
if len(args) > 0 {
for _, content := range args {
sha1sum(c, []byte(content))
}
}
},
}
func sha1sum(c *cobra.Command, content []byte) {
var handle hash.Hash
bit, e := c.Flags().GetInt("bit")
if e != nil {
fmt.Println("bit not found, (1, 224, 256, 384, 512, 512224, 512256)")
return
}
bits := make([]int, 0)
if bit == 0 {
bits = append(bits, 1, 224, 256, 384, 512, 512224, 512256)
} else if bit == 1 {
bits = append(bits, 1)
} else if bit == 224 {
bits = append(bits, 224)
} else if bit == 256 {
bits = append(bits, 256)
} else if bit == 384 {
bits = append(bits, 384)
} else if bit == 512 {
bits = append(bits, 512)
} else if bit == 512224 {
bits = append(bits, 512224)
} else if bit == 512256 {
bits = append(bits, 512256)
} else {
fmt.Println("bit not supported, (1, 224, 256, 384, 512, 512224, 512256)")
return
}
input, e := c.Flags().GetString("input")
if e == nil && len(input) > 0 {
fmt.Printf("%9s : %s\n", "file", input)
} else {
fmt.Printf("%9s : %s\n", "source", strings.Replace(string(content), "\n", "", -1))
}
for _, b := range bits {
var name string
if b == 1 {
name = "sha1"
handle = sha1.New()
} else if b == 224 {
name = "sha224"
handle = sha256.New224()
} else if b == 256 {
name = "sha256"
handle = sha256.New()
} else if b == 384 {
name = "sha384"
handle = sha512.New384()
} else if b == 512 {
name = "sha512"
handle = sha512.New()
} else if b == 512224 {
name = "sha512224"
handle = sha512.New512_224()
} else if b == 512256 {
name = "sha512256"
handle = sha512.New512_256()
}
handle.Write(content)
value := hex.EncodeToString(handle.Sum(nil))
fmt.Printf("%9s : %s\n", name, value)
fmt.Printf("%9s : %s\n", "", strings.ToUpper(value))
}
}
func init() {
sha1Cmd.Flags().StringP("input", "i", "", "输入待验证的文件")
sha1Cmd.Flags().IntP("bit", "b", 1, "sha bit: 1, 224, 256, 384, 512, 512224, 512256")
}
func NewShaCmd() *cobra.Command {
return sha1Cmd
}