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signature_prefix.go
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signature_prefix.go
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// Copyright 2018 Keybase, Inc. All rights reserved. Use of
// this source code is governed by the included BSD license.
package kbcrypto
import "bytes"
type SignaturePrefix string
const (
SignaturePrefixKBFS SignaturePrefix = "Keybase-KBFS-1"
SignaturePrefixSigchain SignaturePrefix = "Keybase-Sigchain-1"
SignaturePrefixSigchain3 SignaturePrefix = "Keybase-Sigchain-3"
SignaturePrefixChatAttachment SignaturePrefix = "Keybase-Chat-Attachment-1"
SignaturePrefixNIST SignaturePrefix = "Keybase-Auth-NIST-1"
SignaturePrefixTeamStore SignaturePrefix = "Keybase-TeamStore-1"
SignaturePrefixNISTWebAuthToken SignaturePrefix = "Keybase-Auth-NIST-Web-Token-1"
// Chat prefixes for each MessageBoxedVersion.
SignaturePrefixChatMBv1 SignaturePrefix = "Keybase-Chat-1"
SignaturePrefixChatMBv2 SignaturePrefix = "Keybase-Chat-2"
)
func (p SignaturePrefix) IsWhitelisted() bool {
if p.IsWhitelistedTest() {
return true
}
switch p {
case SignaturePrefixKBFS, SignaturePrefixSigchain, SignaturePrefixChatAttachment,
SignaturePrefixNIST, SignaturePrefixChatMBv1, SignaturePrefixChatMBv2,
SignaturePrefixSigchain3, SignaturePrefixTeamStore:
return true
default:
return false
}
}
func (p SignaturePrefix) HasNullByte() bool {
return bytes.IndexByte([]byte(p), byte(0)) != -1
}
func (p SignaturePrefix) Prefix(msg []byte) []byte {
prefix := append([]byte(p), 0)
return append(prefix, msg...)
}