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Public key encrypting a string into GPG format and outputting it in base64 encoding
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| package main | |
| import ( | |
| "bytes" | |
| "code.google.com/p/go.crypto/openpgp" | |
| "encoding/base64" | |
| "fmt" | |
| "io/ioutil" | |
| "log" | |
| ) | |
| func main() { | |
| // Read armored public key into type EntityList | |
| // An EntityList contains one or more Entities. | |
| // This assumes there is only one Entity involved | |
| entitylist, err := openpgp.ReadArmoredKeyRing(bytes.NewBufferString(publicKey)) | |
| if err != nil { | |
| log.Fatal(err) | |
| } | |
| // Encrypt message using public key | |
| buf := new(bytes.Buffer) | |
| w, err := openpgp.Encrypt(buf, entitylist, nil, nil, nil) | |
| if err != nil { | |
| } | |
| const message = "Test message encrypted using public key" | |
| _, err = w.Write([]byte(message)) | |
| if err != nil { | |
| } | |
| err = w.Close() | |
| if err != nil { | |
| } | |
| // Output as base64 encoded string | |
| bytes, err := ioutil.ReadAll(buf) | |
| str := base64.StdEncoding.EncodeToString(bytes) | |
| fmt.Println("Public key encrypted message (base64 encoded):", str) | |
| } | |
| // pub 1024R/7F98BBCE 2014-01-04 | |
| // uid Golang Test (Private key password is 'golang') <[email protected]> | |
| // sub 1024R/5F34A320 2014-01-04 | |
| const publicKey = `-----BEGIN PGP PUBLIC KEY BLOCK----- | |
| Version: GnuPG v1.4.15 (Darwin) | |
| mI0EUsdthgEEAMKOAoeY+bAHEjdzcM9WhJ27T4QmX8SxLYcRo3rd2cuQawwCz7jf | |
| bCzLCYyvMqoIvjSxuElVgFx97RyEv5yvLg7ngNfv6ADRlJXMVQ3YQahyeRofPJJ+ | |
| 5S0F0JOahZlkAYWIHCUhLtoT/zpI7IeSwWjwtEL1b8YhZBLY9txp29TLABEBAAG0 | |
| REdvbGFuZyBUZXN0IChQcml2YXRlIGtleSBwYXNzd29yZCBpcyAnZ29sYW5nJykg | |
| PGdvbGFuZ3Rlc3RAdGVzdC5jb20+iLgEEwECACIFAlLHbYYCGwMGCwkIBwMCBhUI | |
| AgkKCwQWAgMBAh4BAheAAAoJEFVKIId/mLvOookD+wVQzZN8vZVkpYLsTU3XDBly | |
| 0H0F/vtJ4A9JWkYJnRyJRggV3DAajAq2OgOuxtiA+n5QY7JgwPq0bNYpomtBCgPJ | |
| pCpVVGFs1cHsnPslPZqoocPW3tzHkV9TMMwE2i7dM5YeiYNfJAYMBQsBmeNo6Pz+ | |
| kN7qmjHIGW5KMwlTN8OmuI0EUsdthgEEAK1DA6pBp4PQqaZO91AVgXe44YW7ZNHm | |
| kUIf4KFB4SiXq2eCzENtSCsiF/hkG7HA6XHKVzCOnk4V8ay/g/BuHDW+HsL09M3N | |
| tPk/dc7YE/QP+FYn3BD0AhK06mP6GaYQM2TNaerEXp3NtnuNok9CIm3eYArNsJ0j | |
| XlM8mw3LkIthABEBAAGInwQYAQIACQUCUsdthgIbDAAKCRBVSiCHf5i7zrpRA/9r | |
| lIf6ozk+OvF6Cul7fN+8OOSUD6S6ohh/SiYKha1MSTMNWyBNhutOjmOoQoHhPmAv | |
| Kp8tvYULV4SiKrlCP9ANait2gmYcKsqk/kI7xel4tIvx64EMAsgaKWN7hp3TG77Y | |
| cVNCjtHerHjGZbRw6/GGlNSbw8DRQ0FbsPkasuexEw== | |
| =jr2t | |
| -----END PGP PUBLIC KEY BLOCK-----` |
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