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app/interface/main/account/service/realname/crypto/key.go

@@ -0,0 +1,47 @@
+package crypto
+
+import (
+	"bytes"
+	"strings"
+)
+
+// ParsePublicKey parse raw public key to pem formation
+func ParsePublicKey(raw string) (result []byte) {
+	return parseKey(raw, "-----BEGIN PUBLIC KEY-----", "-----END PUBLIC KEY-----")
+}
+
+// ParsePrivateKey parse raw priv key to pem formation
+func ParsePrivateKey(raw string) (result []byte) {
+	return parseKey(raw, "-----BEGIN RSA PRIVATE KEY-----", "-----END RSA PRIVATE KEY-----")
+}
+
+func parseKey(raw, prefix, suffix string) (result []byte) {
+	raw = strings.Replace(raw, prefix, "", 1)
+	raw = strings.Replace(raw, suffix, "", 1)
+	raw = strings.Replace(raw, " ", "", -1)
+	raw = strings.Replace(raw, "\n", "", -1)
+	raw = strings.Replace(raw, "\r", "", -1)
+	raw = strings.Replace(raw, "\t", "", -1)
+
+	var ll = 64
+	var sl = len(raw)
+	var c = sl / ll
+	if sl%ll > 0 {
+		c = c + 1
+	}
+
+	var buf bytes.Buffer
+	buf.WriteString(prefix + "\n")
+	for i := 0; i < c; i++ {
+		var b = i * ll
+		var e = b + ll
+		if e > sl {
+			buf.WriteString(raw[b:])
+		} else {
+			buf.WriteString(raw[b:e])
+		}
+		buf.WriteString("\n")
+	}
+	buf.WriteString(suffix)
+	return buf.Bytes()
+}