GPG signature verification in Go with a bunch of strings

check_sig.go

package main                                                                                                                                                                  [33/492]

import (
        "fmt"
        "strings"

        "golang.org/x/crypto/openpgp"
)

func main() {
        keyRingReader := strings.NewReader(`
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: Keybase OpenPGP JS 0.0.1
Comment: https://keybase.io/fiatjaf
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EhTZGafmzIQtaVRW70jIis/HVaowXclY6HKt83G2Y0t4xGj+bUQ6x5K71W2t2s6S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D6j7QlgXlwag0xLtYsg+S9lrITKbPZsYMRCJ8Yw7s2epcc5x89lu1SpnchUNWjVS
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lb74XzeLQWAJ6JAShdX7Rx6QaIBFYa6RHzql2xF3VXU1u7MGlk1AEOV2VCmYfMR4
SEjAr7j+pXQZ+lssgayriam+Z2L43Z0wuBlVEvsH4RuQJAuTMAnzh3z2wvseHoK3
kvf+nQARAQABwsKEBBgBCgAPBQJTMHaHBQkPCZwAAhsuASkJEI+BAgNkRM3SwF0g
BBkBCgAGBQJTMHaHAAoJEAJs7pbOl+xq88EH/ilP044QurvSupGA1RrRaHwQH5eK
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CLLaC2oGs6Q9h8GIU39nmpW8rOSaIOS8AmM4G2t0NDfE2lZSrPUL6T9sHKcKddQe
+Qc0ifKDvk629OZpwuQYzcXGg4zxto7fEeMMM05Ai//6yAAolGa+C5eGLqFH9rGP
Uy/kFAbr3jSB7y92F8QQdV9igtWgNTa4aSA4RiPfT9xzZtCCtZqPOKhuq+exB4VL
PxfBepRZVjkXT4iFAhPZMDw+J0R+/b/2pEoSSJWRXCoLcgOGE8zuteZpRQwB3kC0
vlc9aHdYtNsyuSKXBU8QuXa/2XEJ7xk1N9EjGKKLYGz9ff9RBo5cFVHjZhsYclQb
GEK5LNLZkse5yBj4DIMAtfOLBPEILKsgLSgnHNJJvN9wqcd4An62r/vu8guXIYH1
ixxa6guQjAWL5F5g6lnBh/Zw2RYI5SnD1rNilQkY4owBKyG2a/5oozSfQwVHzzTL
wd4zuIlc8Jgq6olcblS64973jmiaxvfiKjmSlZpP13jwKRr1dnabUfhtcExKCsd1
mWdN3P7QQ8X2iioJPUUhw9uT2zCNQmmumE7Lw+kITLY=
=+ow3
-----END PGP PUBLIC KEY BLOCK-----
    `)

        signature := strings.NewReader(`
-----BEGIN PGP SIGNATURE-----

wsBcBAABCAAQBQJZxpqaCRACbO6WzpfsagAAGxUIADhrhyJUG9zsDMDdDSBtDYE5
H/I5eRxMbklF/LCGF67UXQHYcqi0sxDK/NR4Ld9iUhrj/g/hqqGdo03gDKL9FTMJ
3D6ttSBjkv9eacXaRSxBFsQHwXGU1mC5ZR6mCsxyfLESNxd27s8/5sP+62AkhC17
hqFpp/n2gcUn9dOd0X/pUQ+0RV6GZWQlSg/ds4Ff0dX5d7+z30xqhMPuGKfxZIk6
57AjmbYvkoRaMkbVLl7uIDVkt30Ww/WLoL8KyOl+NDwfl6d8TX3MalfidDd7kvad
11L9/ZZ6SuFNXPaMDsZomThuz8/J+qAfdyHBV8xyz2bTXa2SJNxdxtkUf3m+1rA=
=5/WZ
-----END PGP SIGNATURE-----
`)

        verification_target := strings.NewReader(`bla
`)

        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)
}