+
+const char *ASN1_tag2str(int tag)
+{
+ const static char *tag2str[] = {
+ "EOC", "BOOLEAN", "INTEGER", "BIT STRING", "OCTET STRING", /* 0-4 */
+ "NULL", "OBJECT", "OBJECT DESCRIPTOR", "EXTERNAL", "REAL", /* 5-9 */
+ "ENUMERATED", "<ASN1 11>", "UTF8STRING", "<ASN1 13>", /* 10-13 */
+ "<ASN1 14>", "<ASN1 15>", "SEQUENCE", "SET", /* 15-17 */
+ "NUMERICSTRING", "PRINTABLESTRING", "T61STRING", /* 18-20 */
+ "VIDEOTEXSTRING", "IA5STRING", "UTCTIME","GENERALIZEDTIME", /* 21-24 */
+ "GRAPHICSTRING", "VISIBLESTRING", "GENERALSTRING", /* 25-27 */
+ "UNIVERSALSTRING", "<ASN1 29>", "BMPSTRING" /* 28-30 */
+ };
+
+ if((tag == V_ASN1_NEG_INTEGER) || (tag == V_ASN1_NEG_ENUMERATED))
+ tag &= ~0x100;
+
+ if(tag < 0 || tag > 30) return "(unknown)";
+ return tag2str[tag];
+}
+