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+
+ 		+ + + + +
+
+ +SilcAsn1Options

+ + +NAME + +

+    typedef enum { ... } SilcAsn1Options;
+
+
+DESCRIPTION + +

+    Options for ASN.1 encoder and decoder.  The ASN.1 options can be
+    given to the SILC_ASN1_*_T macros and/or SILC_ASN1_OPTS macro.
+
+
+NOTES + +

+    The SILC_ASN1_ALLOC and SILC_ASN1_ACCUMUL flags can be given only
+    with SILC_ASN1_OPTS macro.  Other options can be given with various
+    SILC_ASN1_*_T macros.
+
+
+EXAMPLE + +

+    // Encodes boolean value with explicit tag and private class, and
+    // the result is allocated into `dest'.
+    silc_asn1_encode(asn1, &dest,
+                     SILC_ASN1_OPTS(SILC_ASN1_ALLOC),
+                     SILC_ASN1_BOOLEAN_T(SILC_ASN1_PRIVATE |
+                                         SILC_ASN1_EXPLICIT, 100, boolval),
+                     SILC_ASN1_END);
+
+
+SOURCE + +
    typedef enum {
+      /* Default. If only this is set then defaults are implied. */
+      SILC_ASN1_DEFAULT      = 0x0000,
+    
+      /* Class options.  User does not need to set these unless specificly
+         wanted to do so.  If SILC_ASN1_DEFAULT is set the SILC_ASN1_CONTEXT is
+         implied if any of the tag options are set.  Otherwise SILC_ASN1_UNIVERSAL
+         is implied. Only one of these can bet set at once. */
+      SILC_ASN1_UNIVERSAL    = 0x0001,       /* Universal class (default) */
+      SILC_ASN1_APP          = 0x0002,       /* Application specific class */
+      SILC_ASN1_CONTEXT      = 0x0003,       /* Context specific class */
+      SILC_ASN1_PRIVATE      = 0x0004,       /* Private class */
+    
+      /* Tag options (bitmask) */
+      SILC_ASN1_IMPLICIT     = 0x0010,       /* Tag is implicit (default) */
+      SILC_ASN1_EXPLICIT     = 0x0020,       /* Tag is explicit */
+      SILC_ASN1_DEFINITE     = 0x0040,       /* Length is definite (default) */
+      SILC_ASN1_INDEFINITE   = 0x0080,       /* Length is indefinite */
+    
+      /* Decoding options (bitmask) */
+      SILC_ASN1_OPTIONAL     = 0x0100,       /* Zero or more may be found.  The
+                                                argument must be pointer to the
+                                                type pointer so that NULL can be
+                                                returned if type is not found. */
+    
+      /* ASN.1 encoder/decoder options (bitmask).  These can be given
+         only with SILC_ASN1_OPTS macro at the start of encoding/decoding. */
+      SILC_ASN1_ALLOC        = 0x0400,       /* Dynamically allocate results */
+      SILC_ASN1_ACCUMUL      = 0x0800,       /* Accumulate memory for results,
+                                                next call to silc_asn1_decode
+                                                will not cancel old results. */
+    } SilcAsn1Options;
+



+
+ 		+ + + + +
+
+ +ASN.1 Interface
+SilcAsn1
+SilcAsn1Struct
+SilcAsn1Options
+SilcAsn1Tag
+silc_asn1_alloc
+silc_asn1_free
+silc_asn1_init
+silc_asn1_uninit
+silc_asn1_encode
+silc_asn1_decode
+SILC_ASN1_OPTS
+SILC_ASN1_ANY
+SILC_ASN1_ANY_PRIMITIVE
+SILC_ASN1_SEQUENCE
+SILC_ASN1_SET
+SILC_ASN1_SEQUENCE_OF
+SILC_ASN1_SET_OF
+SILC_ASN1_CHOICE
+SILC_ASN1_BOOLEAN
+SILC_ASN1_INT
+SILC_ASN1_SHORT_INT
+SILC_ASN1_ENUM
+SILC_ASN1_BIT_STRING
+SILC_ASN1_NULL
+SILC_ASN1_OID
+SILC_ASN1_OCTET_STRING
+SILC_ASN1_UTF8_STRING
+SILC_ASN1_NUMERIC_STRING
+SILC_ASN1_PRINTABLE_STRING
+SILC_ASN1_TELETEX_STRING
+SILC_ASN1_IA5_STRING
+SILC_ASN1_VISIBLE_STRING
+SILC_ASN1_UNIVERSAL_STRING
+SILC_ASN1_BMP_STRING
+SILC_ASN1_UNRESTRICTED_STRING
+SILC_ASN1_GENERAL_STRING
+SILC_ASN1_UTC_TIME
+SILC_ASN1_GEN_TIME
+SILC_ASN1_END
+ + +



+
+
+ + + +
+ + + + + + +
Copyright © 2001 - 2007 SILC Project
+ SILC Project Website		 + SILC Toolkit Reference Manual
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+ + +