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July 13, 2020 09:33
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age as a library example
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| module age-example | |
| go 1.15 | |
| require filippo.io/age v1.0.0-beta4 |
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| filippo.io/age v1.0.0-beta4 h1:czSjaSa0owsI5gw/cE9yI/mfTiuhgYjozHI96v0PVJo= | |
| filippo.io/age v1.0.0-beta4/go.mod h1:TOa3exZvzRCLfjmbJGsqwSQ0HtWjJfTTCQnQsNCC4E0= | |
| github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | |
| github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | |
| github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo= | |
| github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= | |
| github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= | |
| github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | |
| github.com/sergi/go-diff v1.1.0 h1:we8PVUC3FE2uYfodKH/nBHMSetSfHDR6scGdBi+erh0= | |
| github.com/sergi/go-diff v1.1.0/go.mod h1:STckp+ISIX8hZLjrqAeVduY0gWCT9IjLuqbuNXdaHfM= | |
| github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= | |
| github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= | |
| golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= | |
| golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59 h1:3zb4D3T4G8jdExgVU/95+vQXfpEPiMdCaZgmGVxjNHM= | |
| golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= | |
| golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= | |
| golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= | |
| golang.org/x/sys v0.0.0-20190412213103-97732733099d h1:+R4KGOnez64A81RvjARKc4UT5/tI9ujCIVX+P5KiHuI= | |
| golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | |
| golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= | |
| gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | |
| gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | |
| gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= | |
| gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= |
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| // age-example encrypts file to stdout using public ssh key from | |
| // ~/.ssh/id_ed25519.pub | |
| package main | |
| import ( | |
| "flag" | |
| "fmt" | |
| "io" | |
| "io/ioutil" | |
| "os" | |
| "path/filepath" | |
| "filippo.io/age" | |
| "filippo.io/age/agessh" | |
| ) | |
| func main() { | |
| flag.Parse() | |
| if err := run(flag.Arg(0)); err != nil { | |
| os.Stderr.WriteString(err.Error() + "\n") | |
| os.Exit(1) | |
| } | |
| } | |
| func run(name string) error { | |
| if name == "" { | |
| return fmt.Errorf("usage: %s file-to-encrypt > output", filepath.Base(os.Args[0])) | |
| } | |
| b, err := ioutil.ReadFile(os.ExpandEnv("$HOME/.ssh/id_ed25519.pub")) | |
| if err != nil { | |
| return err | |
| } | |
| recipient, err := agessh.ParseRecipient(string(b)) | |
| if err != nil { | |
| return err | |
| } | |
| f, err := os.Open(name) | |
| if err != nil { | |
| return err | |
| } | |
| defer f.Close() | |
| wc, err := age.Encrypt(os.Stdout, recipient) | |
| if err != nil { | |
| return err | |
| } | |
| if _, err := io.Copy(wc, f); err != nil { | |
| return err | |
| } | |
| return wc.Close() | |
| } |
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