-static int asn1_check_eoc(unsigned char **in, long len);
-static int asn1_collect(BUF_MEM *buf, unsigned char **in, long len, char inf, int tag, int aclass);
-static int collect_data(BUF_MEM *buf, unsigned char **p, long plen);
-static int asn1_check_tlen(long *olen, int *otag, unsigned char *oclass, char *inf, char *cst,
- unsigned char **in, long len, int exptag, int expclass, char opt, ASN1_TLC *ctx);
-static int asn1_template_ex_d2i(ASN1_VALUE **pval, unsigned char **in, long len, const ASN1_TEMPLATE *tt, char opt, ASN1_TLC *ctx);
-static int asn1_template_noexp_d2i(ASN1_VALUE **val, unsigned char **in, long len, const ASN1_TEMPLATE *tt, char opt, ASN1_TLC *ctx);
-static int asn1_d2i_ex_primitive(ASN1_VALUE **pval, unsigned char **in, long len,
- const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx);
+static int asn1_check_eoc(const unsigned char **in, long len);
+static int asn1_find_end(const unsigned char **in, long len, char inf);
+
+static int asn1_collect(BUF_MEM *buf, const unsigned char **in, long len,
+ char inf, int tag, int aclass);
+
+static int collect_data(BUF_MEM *buf, const unsigned char **p, long plen);
+
+static int asn1_check_tlen(long *olen, int *otag, unsigned char *oclass,
+ char *inf, char *cst,
+ const unsigned char **in, long len,
+ int exptag, int expclass, char opt,
+ ASN1_TLC *ctx);
+
+static int asn1_template_ex_d2i(ASN1_VALUE **pval,
+ const unsigned char **in, long len,
+ const ASN1_TEMPLATE *tt, char opt,
+ ASN1_TLC *ctx);
+static int asn1_template_noexp_d2i(ASN1_VALUE **val,
+ const unsigned char **in, long len,
+ const ASN1_TEMPLATE *tt, char opt,
+ ASN1_TLC *ctx);
+static int asn1_d2i_ex_primitive(ASN1_VALUE **pval,
+ const unsigned char **in, long len,
+ const ASN1_ITEM *it,
+ int tag, int aclass, char opt, ASN1_TLC *ctx);
+
+/* 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];
+ }