diff options
Diffstat (limited to 'vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/smimea.go')
-rw-r--r-- | vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/smimea.go | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/smimea.go b/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/smimea.go deleted file mode 100644 index 4e7ded4b3..000000000 --- a/vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/smimea.go +++ /dev/null @@ -1,47 +0,0 @@ -package dns - -import ( - "crypto/sha256" - "crypto/x509" - "encoding/hex" -) - -// Sign creates a SMIMEA record from an SSL certificate. -func (r *SMIMEA) Sign(usage, selector, matchingType int, cert *x509.Certificate) (err error) { - r.Hdr.Rrtype = TypeSMIMEA - r.Usage = uint8(usage) - r.Selector = uint8(selector) - r.MatchingType = uint8(matchingType) - - r.Certificate, err = CertificateToDANE(r.Selector, r.MatchingType, cert) - if err != nil { - return err - } - return nil -} - -// Verify verifies a SMIMEA record against an SSL certificate. If it is OK -// a nil error is returned. -func (r *SMIMEA) Verify(cert *x509.Certificate) error { - c, err := CertificateToDANE(r.Selector, r.MatchingType, cert) - if err != nil { - return err // Not also ErrSig? - } - if r.Certificate == c { - return nil - } - return ErrSig // ErrSig, really? -} - -// SMIMEAName returns the ownername of a SMIMEA resource record as per the -// format specified in RFC 'draft-ietf-dane-smime-12' Section 2 and 3 -func SMIMEAName(email, domain string) (string, error) { - hasher := sha256.New() - hasher.Write([]byte(email)) - - // RFC Section 3: "The local-part is hashed using the SHA2-256 - // algorithm with the hash truncated to 28 octets and - // represented in its hexadecimal representation to become the - // left-most label in the prepared domain name" - return hex.EncodeToString(hasher.Sum(nil)[:28]) + "." + "_smimecert." + domain, nil -} |