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98 lines
2.0 KiB
98 lines
2.0 KiB
package main
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import (
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"fmt"
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"log"
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"os"
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"s.mcquay.me/dm/school/cs465/aes"
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"github.com/spf13/cobra"
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)
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var key128 = aes.Block{
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0x2b, 0x28, 0xab, 0x09,
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0x7e, 0xae, 0xf7, 0xcf,
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0x15, 0xd2, 0x15, 0x4f,
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0x16, 0xa6, 0x88, 0x3c,
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}
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var key192 = aes.Block{
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0x00, 0x04, 0x08, 0x0c, 0x10, 0x14,
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0x01, 0x05, 0x09, 0x0d, 0x11, 0x15,
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0x02, 0x06, 0x0a, 0x0e, 0x12, 0x16,
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0x03, 0x07, 0x0b, 0x0f, 0x13, 0x17,
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}
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var key256 = aes.Block{
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0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, 0x18, 0x1c,
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0x01, 0x05, 0x09, 0x0d, 0x11, 0x15, 0x19, 0x1d,
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0x02, 0x06, 0x0a, 0x0e, 0x12, 0x16, 0x1a, 0x1e,
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0x03, 0x07, 0x0b, 0x0f, 0x13, 0x17, 0x1b, 0x1f,
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}
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func main() {
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var keysize int
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var decrypt bool
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var ascii bool
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var aes = &cobra.Command{
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Use: "aes",
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Short: "aes cipher",
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Long: `perform aes cipher`,
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Run: func(cmd *cobra.Command, args []string) {
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if len(args) < 1 {
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fmt.Println("missing input, see -h (--help) for more info")
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os.Exit(1)
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}
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for _, arg := range args {
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all := aes.BlockGen(arg)
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if ascii {
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switch keysize {
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case 128:
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fmt.Println(aes.ToString(all, 128, key128, decrypt))
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case 192:
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fmt.Println(aes.ToString(all, 192, key192, decrypt))
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case 256:
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fmt.Println(aes.ToString(all, 256, key256, decrypt))
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default:
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log.Fatal("keysize not valid")
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}
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} else {
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switch keysize {
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case 128:
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fmt.Println(aes.ToHex(all, 128, key128, decrypt))
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case 192:
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fmt.Println(aes.ToHex(all, 192, key192, decrypt))
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case 256:
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fmt.Println(aes.ToHex(all, 256, key256, decrypt))
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default:
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log.Fatal("keysize not valid")
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}
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}
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}
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},
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}
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aes.Flags().IntVarP(
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&keysize,
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"keysize",
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"k",
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0,
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"keysize",
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)
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aes.Flags().BoolVarP(
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&ascii,
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"ascii",
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"a",
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false,
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"display in ascii (may mess up terminal :) )",
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)
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aes.Flags().BoolVarP(
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&decrypt,
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"decrypt",
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"d",
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false,
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"decrypt",
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)
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var rootCmd = &cobra.Command{Use: "app"}
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rootCmd.AddCommand(aes)
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rootCmd.Execute()
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}
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