add ASN1Sign

FeiniuBus · Nov 20, 2017 · 4df8a32 · 4df8a32
1 parent 11bb3c1
commit 4df8a32
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Showing 2 changed files with 16 additions and 0 deletions.
diff --git a/rsa_client.go b/rsa_client.go
@@ -2,4 +2,5 @@ package signer
 
 type RSAClient interface {
 	Sign(input []byte) ([]byte, string, error)
+	ASN1Sign(typ string, payloads ...string) ([]byte, string, error)
 }
diff --git a/x509_rsa_client.go b/x509_rsa_client.go
@@ -1,5 +1,10 @@
 package signer
 
+import (
+	"encoding/pem"
+	"strings"
+)
+
 type x509RSAClient struct {
 	server     RSAServer
 	descriptor RSADescriptor
@@ -14,3 +19,13 @@ func (p *x509RSAClient) Sign(input []byte) ([]byte, string, error) {
 	}
 	return signature, p.descriptor.Certificate(), nil
 }
+
+func (p *x509RSAClient) ASN1Sign(typ string, payloads ...string) ([]byte, string, error) {
+	payload := strings.Join(payloads, "\r\n")
+	block := &pem.Block{
+		Type:  strings.ToUpper(typ),
+		Bytes: []byte(payload),
+	}
+	asn1Str := pem.EncodeToMemory(block)
+	return p.Sign(asn1Str)
+}