Expand Up @@ -5,6 +5,7 @@ import ( "crypto/sha1" "crypto/sha256" "encoding/base64" "encoding/hex" "errors" "fmt" "io" Expand All @@ -28,6 +29,7 @@ const ( md5FingerprintLength = 47 // inclusive of space between bytes hexSha1FingerprintLength = 59 // inclusive of space between bytes base64Sha256FingerprintLength = 43 sha256FingerprintLength = 64
DefaultKeepAliveInterval = 30 * time.Second ) Expand Down Expand Up @@ -331,9 +333,12 @@ func (c *SecureShell) terminalType() string { return term }
func base64Sha256Fingerprint(key ssh.PublicKey) string { func sha256Fingerprint(key ssh.PublicKey, encode bool) string { sum := sha256.Sum256(key.Marshal()) return base64.RawStdEncoding.EncodeToString(sum[:]) if encode { return base64.RawStdEncoding.EncodeToString(sum[:]) } return hex.EncodeToString(sum[:]) }
func copyAndClose(wg *sync.WaitGroup, dest io.WriteCloser, src io.Reader) { Expand Down Expand Up @@ -364,8 +369,10 @@ func fingerprintCallback(skipHostValidation bool, expectedFingerprint string) ss var fingerprint string
switch len(expectedFingerprint) { case sha256FingerprintLength: fingerprint = sha256Fingerprint(key, false) case base64Sha256FingerprintLength: fingerprint = base64Sha256Fingerprint(key) fingerprint = sha256Fingerprint(key, true) case hexSha1FingerprintLength: fingerprint = hexSha1Fingerprint(key) case md5FingerprintLength: Expand Down