diff options
Diffstat (limited to 'src/crypto/x509/parser.go')
| -rw-r--r-- | src/crypto/x509/parser.go | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/crypto/x509/parser.go b/src/crypto/x509/parser.go index f085162a4e..9a500a8098 100644 --- a/src/crypto/x509/parser.go +++ b/src/crypto/x509/parser.go @@ -51,9 +51,9 @@ func isPrintable(b byte) bool { } // parseASN1String parses the ASN.1 string types T61String, PrintableString, -// UTF8String, BMPString, and IA5String. This is mostly copied from the -// respective encoding/asn1.parse... methods, rather than just increasing -// the API surface of that package. +// UTF8String, BMPString, IA5String, and NumericString. This is mostly copied +// from the respective encoding/asn1.parse... methods, rather than just +// increasing the API surface of that package. func parseASN1String(tag cryptobyte_asn1.Tag, value []byte) (string, error) { switch tag { case cryptobyte_asn1.T61String: @@ -93,6 +93,13 @@ func parseASN1String(tag cryptobyte_asn1.Tag, value []byte) (string, error) { return "", errors.New("invalid IA5String") } return s, nil + case cryptobyte_asn1.Tag(asn1.TagNumericString): + for _, b := range value { + if !('0' <= b && b <= '9' || b == ' ') { + return "", errors.New("invalid NumericString") + } + } + return string(value), nil } return "", fmt.Errorf("unsupported string type: %v", tag) } |