iron.git

diff --git a/golang/csr/csr.go b/golang/csr/csr.go
new file mode 100644
index 0000000000000000000000000000000000000000..a2ae2b38a1e8cf22ba23660d578d70e847084508
--- /dev/null
+++ b/golang/csr/csr.go
@@ -0,0 +1,58 @@
+package main
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/asn1"
+	"encoding/pem"
+	"fmt"
+	"os"
+)
+
+var oidEmailAddress = asn1.ObjectIdentifier{1, 2, 840, 113549, 1, 9, 1}
+
+func main() {
+	printCsr("email@example.com", "example.com")
+}
+
+//func Write(output *os.File) { output.Write }
+
+func printCsr(emailAddress string, commonName string) {
+	keyBytes, _ := rsa.GenerateKey(rand.Reader, 1024)
+
+	//emailAddress := "test@example.com"
+	subj := pkix.Name{
+		CommonName: commonName,
+		Country:    []string{"AU"},
+		/*
+			Province:           []string{"Some-State"},
+			Locality:           []string{"MyCity"},
+			Organization:       []string{"Company Ltd"},
+			OrganizationalUnit: []string{"IT"},
+		*/
+	}
+	rawSubj := subj.ToRDNSequence()
+	rawSubj = append(rawSubj, []pkix.AttributeTypeAndValue{
+		{Type: oidEmailAddress, Value: emailAddress},
+	})
+
+	asn1Subj, _ := asn1.Marshal(rawSubj)
+	template := x509.CertificateRequest{
+		RawSubject:         asn1Subj,
+		EmailAddresses:     []string{emailAddress},
+		SignatureAlgorithm: x509.SHA256WithRSA,
+	}
+
+	csrBytes, _ := x509.CreateCertificateRequest(rand.Reader, &template, keyBytes)
+
+	//pem.Encode(os.Stdout, &pem.Block{Type: "CERTIFICATE REQUEST", Bytes: csrBytes})
+	var f, err = os.Create(emailAddress + ".csr")
+	if nil != err {
+		fmt.Print("Failed to create file")
+	}
+
+	pem.Encode(f, &pem.Block{Type: "CERTIFICATE REQUEST", Bytes: csrBytes})
+
+}