+/* Table to convert tags to bit values, used for MSTRING type */
+static unsigned long tag2bit[32]={
+0, 0, 0, B_ASN1_BIT_STRING, /* tags 0 - 3 */
+B_ASN1_OCTET_STRING, 0, 0, B_ASN1_UNKNOWN,/* tags 4- 7 */
+B_ASN1_UNKNOWN, B_ASN1_UNKNOWN, B_ASN1_UNKNOWN, B_ASN1_UNKNOWN,/* tags 8-11 */
+B_ASN1_UTF8STRING,B_ASN1_UNKNOWN,B_ASN1_UNKNOWN,B_ASN1_UNKNOWN,/* tags 12-15 */
+0, 0, B_ASN1_NUMERICSTRING,B_ASN1_PRINTABLESTRING, /* tags 16-19 */
+B_ASN1_T61STRING,B_ASN1_VIDEOTEXSTRING,B_ASN1_IA5STRING, /* tags 20-22 */
+B_ASN1_UTCTIME, B_ASN1_GENERALIZEDTIME, /* tags 23-24 */
+B_ASN1_GRAPHICSTRING,B_ASN1_ISO64STRING,B_ASN1_GENERALSTRING, /* tags 25-27 */
+B_ASN1_UNIVERSALSTRING,B_ASN1_UNKNOWN,B_ASN1_BMPSTRING,B_ASN1_UNKNOWN, /* tags 28-31 */
+ };
+
+unsigned long ASN1_tag2bit(int tag)
+{
+ if((tag < 0) || (tag > 30)) return 0;
+ return tag2bit[tag];
+}
+