Revert changes for keybase encoding (#5814)

crypto/keys/keybase_base.go

@@ -124,7 +124,7 @@ func (kb baseKeybase) DecodeSignature(info Info, msg []byte) (sig []byte, pub tm
 		return nil, nil, err
 	}
 
-	if err := CryptoCdc.UnmarshalBinaryBare([]byte(signed), sig); err != nil {
+	if err := CryptoCdc.UnmarshalBinaryLengthPrefixed([]byte(signed), sig); err != nil {
 		return nil, nil, errors.Wrap(err, "failed to decode signature")
 	}
 

crypto/keys/types.go

@@ -337,12 +337,12 @@ func (i multiInfo) GetPath() (*hd.BIP44Params, error) {
 
 // encoding info
 func marshalInfo(i Info) []byte {
-	return CryptoCdc.MustMarshalBinaryBare(i)
+	return CryptoCdc.MustMarshalBinaryLengthPrefixed(i)
 }
 
 // decoding info
 func unmarshalInfo(bz []byte) (info Info, err error) {
-	err = CryptoCdc.UnmarshalBinaryBare(bz, &info)
+	err = CryptoCdc.UnmarshalBinaryLengthPrefixed(bz, &info)
 	return
 }