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-rw-r--r--vendor/github.com/rsc/letsencrypt/vendor/github.com/miekg/dns/smimea.go47
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
-}