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1 /*
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2 crypto.go : crypto-program.
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3 Version : 0.0
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4 Last Change: 2018-09-30 Sun 16:47:45.
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5
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6 install to: rsearcher_root/
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7 server_root/
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8 */
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9 package main
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10
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11 import (
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12 "crypto/sha256"
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13 "fmt"
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14 "flag"
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15 "os"
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16 )
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17
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18 func main() {
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19 salt := flag.String( "s", "#!@-", "salt." )
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20 enca := flag.String( "a", "", "encrypt plaintext." )
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21 encb := flag.String( "b", "", "encrypt csv-file." )
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22 coll := flag.String( "c", "", "collate user/password." )
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23
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24 decr := flag.String( "d", "", "deecrypt hhs." )
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25 encr := flag.String( "e", "", "encrypt hhs." )
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26 chdb := flag.String( "f", "", "collate hhs." )
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27 chhs := flag.String( "g", "", "collate hhs." )
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28
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29 flag.Parse()
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30
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31 if *enca != "" {
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32 buf := *salt + enc_sha256( *enca ) + *salt
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33 fmt.Println( enc_sha256( buf ) )
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34 os.Exit( 0 ) // done.
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35 }
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36
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37 if *encb != "" {
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38 r := csv.NewReader(strings.NewReader(in))
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39 for {
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40 record, err := r.Read()
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41 if err == io.EOF {
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42 break
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43 }
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44 if err != nil {
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45 log.Fatal( err )
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46 }
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47 buf := *salt + enc_sha256( record[1] ) + *salt
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48 fmt.Println( record[0], ",", enc_sha256( buf ) )
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49 }
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50 }
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51
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52 if *coll != "" {
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53 }
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54
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55 if *decr != "" {
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56 }
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57
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58 if *encr != "" {
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59 }
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60
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61 if *chdb != "" && *chhs != "" {
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62 }
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63
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64 fmt.Fprintf( os.Stderr, "bad argument\n" )
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65 os.Exit( 1 )
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66 }
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67
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68 func enc_sha256( text string ) string {
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69 h := sha256.New()
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70 h.Write( []byte( text ) )
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71 return fmt.Sprintf( "%x", h.Sum( nil ) )
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72 }
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73
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74 func encrypt( text string ) []byte {
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75 return nil
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76 }
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77
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