diff options
Diffstat (limited to 'src/vendor/golang.org/x/crypto/cryptobyte/asn1.go')
| -rw-r--r-- | src/vendor/golang.org/x/crypto/cryptobyte/asn1.go | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/vendor/golang.org/x/crypto/cryptobyte/asn1.go b/src/vendor/golang.org/x/crypto/cryptobyte/asn1.go index 528b9bff67..f930f7e526 100644 --- a/src/vendor/golang.org/x/crypto/cryptobyte/asn1.go +++ b/src/vendor/golang.org/x/crypto/cryptobyte/asn1.go @@ -470,7 +470,8 @@ func (s *String) ReadASN1GeneralizedTime(out *time.Time) bool { // It reports whether the read was successful. func (s *String) ReadASN1BitString(out *encoding_asn1.BitString) bool { var bytes String - if !s.ReadASN1(&bytes, asn1.BIT_STRING) || len(bytes) == 0 { + if !s.ReadASN1(&bytes, asn1.BIT_STRING) || len(bytes) == 0 || + len(bytes)*8/8 != len(bytes) { return false } @@ -740,7 +741,7 @@ func (s *String) readASN1(out *String, outTag *asn1.Tag, skipHeader bool) bool { length = headerLen + len32 } - if uint32(int(length)) != length || !s.ReadBytes((*[]byte)(out), int(length)) { + if int(length) < 0 || !s.ReadBytes((*[]byte)(out), int(length)) { return false } if skipHeader && !out.Skip(int(headerLen)) { |