diff options
Diffstat (limited to 'libgo/go/crypto/x509/x509.go')
| -rw-r--r-- | libgo/go/crypto/x509/x509.go | 55 |
1 files changed, 53 insertions, 2 deletions
diff --git a/libgo/go/crypto/x509/x509.go b/libgo/go/crypto/x509/x509.go index c4d85e67f0c..e6b0c58eef5 100644 --- a/libgo/go/crypto/x509/x509.go +++ b/libgo/go/crypto/x509/x509.go @@ -344,6 +344,55 @@ func (c *Certificate) Equal(other *Certificate) bool { return bytes.Equal(c.Raw, other.Raw) } +// Entrust have a broken root certificate (CN=Entrust.net Certification +// Authority (2048)) which isn't marked as a CA certificate and is thus invalid +// according to PKIX. +// We recognise this certificate by its SubjectPublicKeyInfo and exempt it +// from the Basic Constraints requirement. +// See http://www.entrust.net/knowledge-base/technote.cfm?tn=7869 +// +// TODO(agl): remove this hack once their reissued root is sufficiently +// widespread. +var entrustBrokenSPKI = []byte{ + 0x30, 0x82, 0x01, 0x22, 0x30, 0x0d, 0x06, 0x09, + 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, + 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0f, 0x00, + 0x30, 0x82, 0x01, 0x0a, 0x02, 0x82, 0x01, 0x01, + 0x00, 0x97, 0xa3, 0x2d, 0x3c, 0x9e, 0xde, 0x05, + 0xda, 0x13, 0xc2, 0x11, 0x8d, 0x9d, 0x8e, 0xe3, + 0x7f, 0xc7, 0x4b, 0x7e, 0x5a, 0x9f, 0xb3, 0xff, + 0x62, 0xab, 0x73, 0xc8, 0x28, 0x6b, 0xba, 0x10, + 0x64, 0x82, 0x87, 0x13, 0xcd, 0x57, 0x18, 0xff, + 0x28, 0xce, 0xc0, 0xe6, 0x0e, 0x06, 0x91, 0x50, + 0x29, 0x83, 0xd1, 0xf2, 0xc3, 0x2a, 0xdb, 0xd8, + 0xdb, 0x4e, 0x04, 0xcc, 0x00, 0xeb, 0x8b, 0xb6, + 0x96, 0xdc, 0xbc, 0xaa, 0xfa, 0x52, 0x77, 0x04, + 0xc1, 0xdb, 0x19, 0xe4, 0xae, 0x9c, 0xfd, 0x3c, + 0x8b, 0x03, 0xef, 0x4d, 0xbc, 0x1a, 0x03, 0x65, + 0xf9, 0xc1, 0xb1, 0x3f, 0x72, 0x86, 0xf2, 0x38, + 0xaa, 0x19, 0xae, 0x10, 0x88, 0x78, 0x28, 0xda, + 0x75, 0xc3, 0x3d, 0x02, 0x82, 0x02, 0x9c, 0xb9, + 0xc1, 0x65, 0x77, 0x76, 0x24, 0x4c, 0x98, 0xf7, + 0x6d, 0x31, 0x38, 0xfb, 0xdb, 0xfe, 0xdb, 0x37, + 0x02, 0x76, 0xa1, 0x18, 0x97, 0xa6, 0xcc, 0xde, + 0x20, 0x09, 0x49, 0x36, 0x24, 0x69, 0x42, 0xf6, + 0xe4, 0x37, 0x62, 0xf1, 0x59, 0x6d, 0xa9, 0x3c, + 0xed, 0x34, 0x9c, 0xa3, 0x8e, 0xdb, 0xdc, 0x3a, + 0xd7, 0xf7, 0x0a, 0x6f, 0xef, 0x2e, 0xd8, 0xd5, + 0x93, 0x5a, 0x7a, 0xed, 0x08, 0x49, 0x68, 0xe2, + 0x41, 0xe3, 0x5a, 0x90, 0xc1, 0x86, 0x55, 0xfc, + 0x51, 0x43, 0x9d, 0xe0, 0xb2, 0xc4, 0x67, 0xb4, + 0xcb, 0x32, 0x31, 0x25, 0xf0, 0x54, 0x9f, 0x4b, + 0xd1, 0x6f, 0xdb, 0xd4, 0xdd, 0xfc, 0xaf, 0x5e, + 0x6c, 0x78, 0x90, 0x95, 0xde, 0xca, 0x3a, 0x48, + 0xb9, 0x79, 0x3c, 0x9b, 0x19, 0xd6, 0x75, 0x05, + 0xa0, 0xf9, 0x88, 0xd7, 0xc1, 0xe8, 0xa5, 0x09, + 0xe4, 0x1a, 0x15, 0xdc, 0x87, 0x23, 0xaa, 0xb2, + 0x75, 0x8c, 0x63, 0x25, 0x87, 0xd8, 0xf8, 0x3d, + 0xa6, 0xc2, 0xcc, 0x66, 0xff, 0xa5, 0x66, 0x68, + 0x55, 0x02, 0x03, 0x01, 0x00, 0x01, +} + // CheckSignatureFrom verifies that the signature on c is a valid signature // from parent. func (c *Certificate) CheckSignatureFrom(parent *Certificate) (err error) { @@ -352,8 +401,10 @@ func (c *Certificate) CheckSignatureFrom(parent *Certificate) (err error) { // certificate, or the extension is present but the cA boolean is not // asserted, then the certified public key MUST NOT be used to verify // certificate signatures." - if parent.Version == 3 && !parent.BasicConstraintsValid || - parent.BasicConstraintsValid && !parent.IsCA { + // (except for Entrust, see comment above entrustBrokenSPKI) + if (parent.Version == 3 && !parent.BasicConstraintsValid || + parent.BasicConstraintsValid && !parent.IsCA) && + !bytes.Equal(c.RawSubjectPublicKeyInfo, entrustBrokenSPKI) { return ConstraintViolationError{} } |