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GPG Signature Verification in go (with golang.org/x/crypto/openpgp)
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package main | |
import ( | |
"fmt" | |
"golang.org/x/crypto/openpgp" | |
"os" | |
) | |
func main() { | |
keyRingReader, err := os.Open("signer-pubkey.asc.txt") | |
if err != nil { | |
fmt.Println(err) | |
return | |
} | |
signature, err := os.Open("signature.asc.txt") | |
if err != nil { | |
fmt.Println(err) | |
return | |
} | |
verification_target, err := os.Open("mysql-5.7.9-win32.zip") | |
if err != nil { | |
fmt.Println(err) | |
return | |
} | |
keyring, err := openpgp.ReadArmoredKeyRing(keyRingReader) | |
if err != nil { | |
fmt.Println("Read Armored Key Ring: " + err.Error()) | |
return | |
} | |
entity, err := openpgp.CheckArmoredDetachedSignature(keyring, verification_target, signature) | |
if err != nil { | |
fmt.Println("Check Detached Signature: " + err.Error()) | |
return | |
} | |
fmt.Println(entity) | |
} |
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curl -L -O "http://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.9-win32.zip" |
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-----BEGIN PGP SIGNATURE----- | |
Version: GnuPG v1 | |
iD8DBQBWG783jHGNO1By4fURAlgpAJ9GsAZYXxCwfFM3agG1L1jHIVSRegCbBeSO | |
Ynpl4kcivqptHI8Ld2h6ntM= | |
=hGnq | |
-----END PGP SIGNATURE----- |
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Version: GnuPG v1.4.9 (SunOS) | |
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=443I | |
-----END PGP PUBLIC KEY BLOCK----- |
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See my fork for a single-file just-strings version: https://gist.github.com/fiatjaf/41bf9ef6c17b8dc358f87621b57381d8