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10/21/2025 06:56:31 AM
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aes.h
3.27 KB
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asn1.h
32.84 KB
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asn1_mac.h
395 bytes
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asn1err.h
14.34 KB
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asn1t.h
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async.h
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asyncerr.h
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bio.h
34.09 KB
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bioerr.h
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blowfish.h
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bn.h
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bnerr.h
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buffer.h
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buffererr.h
820 bytes
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camellia.h
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cast.h
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cmac.h
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cms.h
16 KB
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cmserr.h
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comp.h
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comperr.h
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conf.h
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conf_api.h
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conferr.h
3.35 KB
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crypto.h
16.93 KB
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cryptoerr.h
2.21 KB
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ct.h
15.5 KB
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cterr.h
3.39 KB
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des.h
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dh.h
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dherr.h
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dsa.h
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dsaerr.h
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dtls1.h
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e_os2.h
8.71 KB
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ebcdic.h
924 bytes
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ec.h
62.19 KB
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ecdh.h
358 bytes
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ecdsa.h
358 bytes
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ecerr.h
16.25 KB
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engine.h
33.91 KB
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engineerr.h
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err.h
11 KB
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evp.h
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evperr.h
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fips.h
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fips_rand.h
7 KB
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hmac.h
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idea.h
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kdf.h
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kdferr.h
4.68 KB
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lhash.h
9.05 KB
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md2.h
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md4.h
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md5.h
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mdc2.h
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modes.h
10.23 KB
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obj_mac.h
213.37 KB
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objects.h
6.48 KB
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objectserr.h
1.29 KB
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ocsp.h
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ocsperr.h
3.28 KB
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opensslconf-x86_64.h
4.66 KB
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opensslconf.h
1.54 KB
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opensslv.h
4.01 KB
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ossl_typ.h
6.16 KB
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pem.h
15.11 KB
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pem2.h
415 bytes
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pemerr.h
5.1 KB
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pkcs12.h
9.64 KB
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pkcs12err.h
3.66 KB
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pkcs7.h
11.32 KB
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pkcs7err.h
4.99 KB
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rand.h
2.3 KB
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rand_drbg.h
4.65 KB
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randerr.h
4.58 KB
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rc2.h
1.5 KB
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rc4.h
825 bytes
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rc5.h
1.94 KB
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ripemd.h
1.21 KB
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rsa.h
21.68 KB
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rsaerr.h
9.59 KB
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safestack.h
7.95 KB
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seed.h
3.4 KB
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sha.h
3.74 KB
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srp.h
3.74 KB
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srtp.h
1.29 KB
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ssl.h
109.36 KB
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ssl2.h
542 bytes
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ssl3.h
14.36 KB
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sslerr.h
45.76 KB
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stack.h
3.02 KB
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store.h
10.94 KB
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storeerr.h
4.3 KB
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symhacks.h
1.28 KB
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tls1.h
70.79 KB
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ts.h
21.9 KB
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tserr.h
6.59 KB
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txt_db.h
1.63 KB
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ui.h
15.68 KB
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uierr.h
2.67 KB
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whrlpool.h
1.34 KB
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x509.h
42.31 KB
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x509_vfy.h
31.69 KB
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x509err.h
6.64 KB
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x509v3.h
32.66 KB
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x509v3err.h
8.69 KB
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Editing: asn1t.h
Close
/* * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifndef HEADER_ASN1T_H # define HEADER_ASN1T_H # include <stddef.h> # include <openssl/e_os2.h> # include <openssl/asn1.h> # ifdef OPENSSL_BUILD_SHLIBCRYPTO # undef OPENSSL_EXTERN # define OPENSSL_EXTERN OPENSSL_EXPORT # endif /* ASN1 template defines, structures and functions */ #ifdef __cplusplus extern "C" { #endif # ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION /* Macro to obtain ASN1_ADB pointer from a type (only used internally) */ # define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)(iptr)) /* Macros for start and end of ASN1_ITEM definition */ # define ASN1_ITEM_start(itname) \ const ASN1_ITEM itname##_it = { # define static_ASN1_ITEM_start(itname) \ static const ASN1_ITEM itname##_it = { # define ASN1_ITEM_end(itname) \ }; # else /* Macro to obtain ASN1_ADB pointer from a type (only used internally) */ # define ASN1_ADB_ptr(iptr) ((const ASN1_ADB *)((iptr)())) /* Macros for start and end of ASN1_ITEM definition */ # define ASN1_ITEM_start(itname) \ const ASN1_ITEM * itname##_it(void) \ { \ static const ASN1_ITEM local_it = { # define static_ASN1_ITEM_start(itname) \ static ASN1_ITEM_start(itname) # define ASN1_ITEM_end(itname) \ }; \ return &local_it; \ } # endif /* Macros to aid ASN1 template writing */ # define ASN1_ITEM_TEMPLATE(tname) \ static const ASN1_TEMPLATE tname##_item_tt # define ASN1_ITEM_TEMPLATE_END(tname) \ ;\ ASN1_ITEM_start(tname) \ ASN1_ITYPE_PRIMITIVE,\ -1,\ &tname##_item_tt,\ 0,\ NULL,\ 0,\ #tname \ ASN1_ITEM_end(tname) # define static_ASN1_ITEM_TEMPLATE_END(tname) \ ;\ static_ASN1_ITEM_start(tname) \ ASN1_ITYPE_PRIMITIVE,\ -1,\ &tname##_item_tt,\ 0,\ NULL,\ 0,\ #tname \ ASN1_ITEM_end(tname) /* This is a ASN1 type which just embeds a template */ /*- * This pair helps declare a SEQUENCE. We can do: * * ASN1_SEQUENCE(stname) = { * ... SEQUENCE components ... * } ASN1_SEQUENCE_END(stname) * * This will produce an ASN1_ITEM called stname_it * for a structure called stname. * * If you want the same structure but a different * name then use: * * ASN1_SEQUENCE(itname) = { * ... SEQUENCE components ... * } ASN1_SEQUENCE_END_name(stname, itname) * * This will create an item called itname_it using * a structure called stname. */ # define ASN1_SEQUENCE(tname) \ static const ASN1_TEMPLATE tname##_seq_tt[] # define ASN1_SEQUENCE_END(stname) ASN1_SEQUENCE_END_name(stname, stname) # define static_ASN1_SEQUENCE_END(stname) static_ASN1_SEQUENCE_END_name(stname, stname) # define ASN1_SEQUENCE_END_name(stname, tname) \ ;\ ASN1_ITEM_start(tname) \ ASN1_ITYPE_SEQUENCE,\ V_ASN1_SEQUENCE,\ tname##_seq_tt,\ sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ NULL,\ sizeof(stname),\ #tname \ ASN1_ITEM_end(tname) # define static_ASN1_SEQUENCE_END_name(stname, tname) \ ;\ static_ASN1_ITEM_start(tname) \ ASN1_ITYPE_SEQUENCE,\ V_ASN1_SEQUENCE,\ tname##_seq_tt,\ sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ NULL,\ sizeof(stname),\ #stname \ ASN1_ITEM_end(tname) # define ASN1_NDEF_SEQUENCE(tname) \ ASN1_SEQUENCE(tname) # define ASN1_NDEF_SEQUENCE_cb(tname, cb) \ ASN1_SEQUENCE_cb(tname, cb) # define ASN1_SEQUENCE_cb(tname, cb) \ static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \ ASN1_SEQUENCE(tname) # define ASN1_BROKEN_SEQUENCE(tname) \ static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_BROKEN, 0, 0, 0, 0}; \ ASN1_SEQUENCE(tname) # define ASN1_SEQUENCE_ref(tname, cb) \ static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_REFCOUNT, offsetof(tname, references), offsetof(tname, lock), cb, 0}; \ ASN1_SEQUENCE(tname) # define ASN1_SEQUENCE_enc(tname, enc, cb) \ static const ASN1_AUX tname##_aux = {NULL, ASN1_AFLG_ENCODING, 0, 0, cb, offsetof(tname, enc)}; \ ASN1_SEQUENCE(tname) # define ASN1_NDEF_SEQUENCE_END(tname) \ ;\ ASN1_ITEM_start(tname) \ ASN1_ITYPE_NDEF_SEQUENCE,\ V_ASN1_SEQUENCE,\ tname##_seq_tt,\ sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ NULL,\ sizeof(tname),\ #tname \ ASN1_ITEM_end(tname) # define static_ASN1_NDEF_SEQUENCE_END(tname) \ ;\ static_ASN1_ITEM_start(tname) \ ASN1_ITYPE_NDEF_SEQUENCE,\ V_ASN1_SEQUENCE,\ tname##_seq_tt,\ sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ NULL,\ sizeof(tname),\ #tname \ ASN1_ITEM_end(tname) # define ASN1_BROKEN_SEQUENCE_END(stname) ASN1_SEQUENCE_END_ref(stname, stname) # define static_ASN1_BROKEN_SEQUENCE_END(stname) \ static_ASN1_SEQUENCE_END_ref(stname, stname) # define ASN1_SEQUENCE_END_enc(stname, tname) ASN1_SEQUENCE_END_ref(stname, tname) # define ASN1_SEQUENCE_END_cb(stname, tname) ASN1_SEQUENCE_END_ref(stname, tname) # define static_ASN1_SEQUENCE_END_cb(stname, tname) static_ASN1_SEQUENCE_END_ref(stname, tname) # define ASN1_SEQUENCE_END_ref(stname, tname) \ ;\ ASN1_ITEM_start(tname) \ ASN1_ITYPE_SEQUENCE,\ V_ASN1_SEQUENCE,\ tname##_seq_tt,\ sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ &tname##_aux,\ sizeof(stname),\ #tname \ ASN1_ITEM_end(tname) # define static_ASN1_SEQUENCE_END_ref(stname, tname) \ ;\ static_ASN1_ITEM_start(tname) \ ASN1_ITYPE_SEQUENCE,\ V_ASN1_SEQUENCE,\ tname##_seq_tt,\ sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ &tname##_aux,\ sizeof(stname),\ #stname \ ASN1_ITEM_end(tname) # define ASN1_NDEF_SEQUENCE_END_cb(stname, tname) \ ;\ ASN1_ITEM_start(tname) \ ASN1_ITYPE_NDEF_SEQUENCE,\ V_ASN1_SEQUENCE,\ tname##_seq_tt,\ sizeof(tname##_seq_tt) / sizeof(ASN1_TEMPLATE),\ &tname##_aux,\ sizeof(stname),\ #stname \ ASN1_ITEM_end(tname) /*- * This pair helps declare a CHOICE type. We can do: * * ASN1_CHOICE(chname) = { * ... CHOICE options ... * ASN1_CHOICE_END(chname) * * This will produce an ASN1_ITEM called chname_it * for a structure called chname. The structure * definition must look like this: * typedef struct { * int type; * union { * ASN1_SOMETHING *opt1; * ASN1_SOMEOTHER *opt2; * } value; * } chname; * * the name of the selector must be 'type'. * to use an alternative selector name use the * ASN1_CHOICE_END_selector() version. */ # define ASN1_CHOICE(tname) \ static const ASN1_TEMPLATE tname##_ch_tt[] # define ASN1_CHOICE_cb(tname, cb) \ static const ASN1_AUX tname##_aux = {NULL, 0, 0, 0, cb, 0}; \ ASN1_CHOICE(tname) # define ASN1_CHOICE_END(stname) ASN1_CHOICE_END_name(stname, stname) # define static_ASN1_CHOICE_END(stname) static_ASN1_CHOICE_END_name(stname, stname) # define ASN1_CHOICE_END_name(stname, tname) ASN1_CHOICE_END_selector(stname, tname, type) # define static_ASN1_CHOICE_END_name(stname, tname) static_ASN1_CHOICE_END_selector(stname, tname, type) # define ASN1_CHOICE_END_selector(stname, tname, selname) \ ;\ ASN1_ITEM_start(tname) \ ASN1_ITYPE_CHOICE,\ offsetof(stname,selname) ,\ tname##_ch_tt,\ sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\ NULL,\ sizeof(stname),\ #stname \ ASN1_ITEM_end(tname) # define static_ASN1_CHOICE_END_selector(stname, tname, selname) \ ;\ static_ASN1_ITEM_start(tname) \ ASN1_ITYPE_CHOICE,\ offsetof(stname,selname) ,\ tname##_ch_tt,\ sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\ NULL,\ sizeof(stname),\ #stname \ ASN1_ITEM_end(tname) # define ASN1_CHOICE_END_cb(stname, tname, selname) \ ;\ ASN1_ITEM_start(tname) \ ASN1_ITYPE_CHOICE,\ offsetof(stname,selname) ,\ tname##_ch_tt,\ sizeof(tname##_ch_tt) / sizeof(ASN1_TEMPLATE),\ &tname##_aux,\ sizeof(stname),\ #stname \ ASN1_ITEM_end(tname) /* This helps with the template wrapper form of ASN1_ITEM */ # define ASN1_EX_TEMPLATE_TYPE(flags, tag, name, type) { \ (flags), (tag), 0,\ #name, ASN1_ITEM_ref(type) } /* These help with SEQUENCE or CHOICE components */ /* used to declare other types */ # define ASN1_EX_TYPE(flags, tag, stname, field, type) { \ (flags), (tag), offsetof(stname, field),\ #field, ASN1_ITEM_ref(type) } /* implicit and explicit helper macros */ # define ASN1_IMP_EX(stname, field, type, tag, ex) \ ASN1_EX_TYPE(ASN1_TFLG_IMPLICIT | (ex), tag, stname, field, type) # define ASN1_EXP_EX(stname, field, type, tag, ex) \ ASN1_EX_TYPE(ASN1_TFLG_EXPLICIT | (ex), tag, stname, field, type) /* Any defined by macros: the field used is in the table itself */ # ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION # define ASN1_ADB_OBJECT(tblname) { ASN1_TFLG_ADB_OID, -1, 0, #tblname, (const ASN1_ITEM *)&(tblname##_adb) } # define ASN1_ADB_INTEGER(tblname) { ASN1_TFLG_ADB_INT, -1, 0, #tblname, (const ASN1_ITEM *)&(tblname##_adb) } # else # define ASN1_ADB_OBJECT(tblname) { ASN1_TFLG_ADB_OID, -1, 0, #tblname, tblname##_adb } # define ASN1_ADB_INTEGER(tblname) { ASN1_TFLG_ADB_INT, -1, 0, #tblname, tblname##_adb } # endif /* Plain simple type */ # define ASN1_SIMPLE(stname, field, type) ASN1_EX_TYPE(0,0, stname, field, type) /* Embedded simple type */ # define ASN1_EMBED(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_EMBED,0, stname, field, type) /* OPTIONAL simple type */ # define ASN1_OPT(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_OPTIONAL, 0, stname, field, type) # define ASN1_OPT_EMBED(stname, field, type) ASN1_EX_TYPE(ASN1_TFLG_OPTIONAL|ASN1_TFLG_EMBED, 0, stname, field, type) /* IMPLICIT tagged simple type */ # define ASN1_IMP(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, 0) # define ASN1_IMP_EMBED(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_EMBED) /* IMPLICIT tagged OPTIONAL simple type */ # define ASN1_IMP_OPT(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL) # define ASN1_IMP_OPT_EMBED(stname, field, type, tag) ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_EMBED) /* Same as above but EXPLICIT */ # define ASN1_EXP(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, 0) # define ASN1_EXP_EMBED(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_EMBED) # define ASN1_EXP_OPT(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL) # define ASN1_EXP_OPT_EMBED(stname, field, type, tag) ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_EMBED) /* SEQUENCE OF type */ # define ASN1_SEQUENCE_OF(stname, field, type) \ ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, stname, field, type) /* OPTIONAL SEQUENCE OF */ # define ASN1_SEQUENCE_OF_OPT(stname, field, type) \ ASN1_EX_TYPE(ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL, 0, stname, field, type) /* Same as above but for SET OF */ # define ASN1_SET_OF(stname, field, type) \ ASN1_EX_TYPE(ASN1_TFLG_SET_OF, 0, stname, field, type) # define ASN1_SET_OF_OPT(stname, field, type) \ ASN1_EX_TYPE(ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL, 0, stname, field, type) /* Finally compound types of SEQUENCE, SET, IMPLICIT, EXPLICIT and OPTIONAL */ # define ASN1_IMP_SET_OF(stname, field, type, tag) \ ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF) # define ASN1_EXP_SET_OF(stname, field, type, tag) \ ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF) # define ASN1_IMP_SET_OF_OPT(stname, field, type, tag) \ ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL) # define ASN1_EXP_SET_OF_OPT(stname, field, type, tag) \ ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SET_OF|ASN1_TFLG_OPTIONAL) # define ASN1_IMP_SEQUENCE_OF(stname, field, type, tag) \ ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF) # define ASN1_IMP_SEQUENCE_OF_OPT(stname, field, type, tag) \ ASN1_IMP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL) # define ASN1_EXP_SEQUENCE_OF(stname, field, type, tag) \ ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF) # define ASN1_EXP_SEQUENCE_OF_OPT(stname, field, type, tag) \ ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_SEQUENCE_OF|ASN1_TFLG_OPTIONAL) /* EXPLICIT using indefinite length constructed form */ # define ASN1_NDEF_EXP(stname, field, type, tag) \ ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_NDEF) /* EXPLICIT OPTIONAL using indefinite length constructed form */ # define ASN1_NDEF_EXP_OPT(stname, field, type, tag) \ ASN1_EXP_EX(stname, field, type, tag, ASN1_TFLG_OPTIONAL|ASN1_TFLG_NDEF) /* Macros for the ASN1_ADB structure */ # define ASN1_ADB(name) \ static const ASN1_ADB_TABLE name##_adbtbl[] # ifndef OPENSSL_EXPORT_VAR_AS_FUNCTION # define ASN1_ADB_END(name, flags, field, adb_cb, def, none) \ ;\ static const ASN1_ADB name##_adb = {\ flags,\ offsetof(name, field),\ adb_cb,\ name##_adbtbl,\ sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\ def,\ none\ } # else # define ASN1_ADB_END(name, flags, field, adb_cb, def, none) \ ;\ static const ASN1_ITEM *name##_adb(void) \ { \ static const ASN1_ADB internal_adb = \ {\ flags,\ offsetof(name, field),\ adb_cb,\ name##_adbtbl,\ sizeof(name##_adbtbl) / sizeof(ASN1_ADB_TABLE),\ def,\ none\ }; \ return (const ASN1_ITEM *) &internal_adb; \ } \ void dummy_function(void) # endif # define ADB_ENTRY(val, template) {val, template} # define ASN1_ADB_TEMPLATE(name) \ static const ASN1_TEMPLATE name##_tt /* * This is the ASN1 template structure that defines a wrapper round the * actual type. It determines the actual position of the field in the value * structure, various flags such as OPTIONAL and the field name. */ struct ASN1_TEMPLATE_st { unsigned long flags; /* Various flags */ long tag; /* tag, not used if no tagging */ unsigned long offset; /* Offset of this field in structure */ const char *field_name; /* Field name */ ASN1_ITEM_EXP *item; /* Relevant ASN1_ITEM or ASN1_ADB */ }; /* Macro to extract ASN1_ITEM and ASN1_ADB pointer from ASN1_TEMPLATE */ # define ASN1_TEMPLATE_item(t) (t->item_ptr) # define ASN1_TEMPLATE_adb(t) (t->item_ptr) typedef struct ASN1_ADB_TABLE_st ASN1_ADB_TABLE; typedef struct ASN1_ADB_st ASN1_ADB; struct ASN1_ADB_st { unsigned long flags; /* Various flags */ unsigned long offset; /* Offset of selector field */ int (*adb_cb)(long *psel); /* Application callback */ const ASN1_ADB_TABLE *tbl; /* Table of possible types */ long tblcount; /* Number of entries in tbl */ const ASN1_TEMPLATE *default_tt; /* Type to use if no match */ const ASN1_TEMPLATE *null_tt; /* Type to use if selector is NULL */ }; struct ASN1_ADB_TABLE_st { long value; /* NID for an object or value for an int */ const ASN1_TEMPLATE tt; /* item for this value */ }; /* template flags */ /* Field is optional */ # define ASN1_TFLG_OPTIONAL (0x1) /* Field is a SET OF */ # define ASN1_TFLG_SET_OF (0x1 << 1) /* Field is a SEQUENCE OF */ # define ASN1_TFLG_SEQUENCE_OF (0x2 << 1) /* * Special case: this refers to a SET OF that will be sorted into DER order * when encoded *and* the corresponding STACK will be modified to match the * new order. */ # define ASN1_TFLG_SET_ORDER (0x3 << 1) /* Mask for SET OF or SEQUENCE OF */ # define ASN1_TFLG_SK_MASK (0x3 << 1) /* * These flags mean the tag should be taken from the tag field. If EXPLICIT * then the underlying type is used for the inner tag. */ /* IMPLICIT tagging */ # define ASN1_TFLG_IMPTAG (0x1 << 3) /* EXPLICIT tagging, inner tag from underlying type */ # define ASN1_TFLG_EXPTAG (0x2 << 3) # define ASN1_TFLG_TAG_MASK (0x3 << 3) /* context specific IMPLICIT */ # define ASN1_TFLG_IMPLICIT (ASN1_TFLG_IMPTAG|ASN1_TFLG_CONTEXT) /* context specific EXPLICIT */ # define ASN1_TFLG_EXPLICIT (ASN1_TFLG_EXPTAG|ASN1_TFLG_CONTEXT) /* * If tagging is in force these determine the type of tag to use. Otherwise * the tag is determined by the underlying type. These values reflect the * actual octet format. */ /* Universal tag */ # define ASN1_TFLG_UNIVERSAL (0x0<<6) /* Application tag */ # define ASN1_TFLG_APPLICATION (0x1<<6) /* Context specific tag */ # define ASN1_TFLG_CONTEXT (0x2<<6) /* Private tag */ # define ASN1_TFLG_PRIVATE (0x3<<6) # define ASN1_TFLG_TAG_CLASS (0x3<<6) /* * These are for ANY DEFINED BY type. In this case the 'item' field points to * an ASN1_ADB structure which contains a table of values to decode the * relevant type */ # define ASN1_TFLG_ADB_MASK (0x3<<8) # define ASN1_TFLG_ADB_OID (0x1<<8) # define ASN1_TFLG_ADB_INT (0x1<<9) /* * This flag when present in a SEQUENCE OF, SET OF or EXPLICIT causes * indefinite length constructed encoding to be used if required. */ # define ASN1_TFLG_NDEF (0x1<<11) /* Field is embedded and not a pointer */ # define ASN1_TFLG_EMBED (0x1 << 12) /* This is the actual ASN1 item itself */ struct ASN1_ITEM_st { char itype; /* The item type, primitive, SEQUENCE, CHOICE * or extern */ long utype; /* underlying type */ const ASN1_TEMPLATE *templates; /* If SEQUENCE or CHOICE this contains * the contents */ long tcount; /* Number of templates if SEQUENCE or CHOICE */ const void *funcs; /* functions that handle this type */ long size; /* Structure size (usually) */ const char *sname; /* Structure name */ }; /*- * These are values for the itype field and * determine how the type is interpreted. * * For PRIMITIVE types the underlying type * determines the behaviour if items is NULL. * * Otherwise templates must contain a single * template and the type is treated in the * same way as the type specified in the template. * * For SEQUENCE types the templates field points * to the members, the size field is the * structure size. * * For CHOICE types the templates field points * to each possible member (typically a union) * and the 'size' field is the offset of the * selector. * * The 'funcs' field is used for application * specific functions. * * The EXTERN type uses a new style d2i/i2d. * The new style should be used where possible * because it avoids things like the d2i IMPLICIT * hack. * * MSTRING is a multiple string type, it is used * for a CHOICE of character strings where the * actual strings all occupy an ASN1_STRING * structure. In this case the 'utype' field * has a special meaning, it is used as a mask * of acceptable types using the B_ASN1 constants. * * NDEF_SEQUENCE is the same as SEQUENCE except * that it will use indefinite length constructed * encoding if requested. * */ # define ASN1_ITYPE_PRIMITIVE 0x0 # define ASN1_ITYPE_SEQUENCE 0x1 # define ASN1_ITYPE_CHOICE 0x2 # define ASN1_ITYPE_EXTERN 0x4 # define ASN1_ITYPE_MSTRING 0x5 # define ASN1_ITYPE_NDEF_SEQUENCE 0x6 /* * Cache for ASN1 tag and length, so we don't keep re-reading it for things * like CHOICE */ struct ASN1_TLC_st { char valid; /* Values below are valid */ int ret; /* return value */ long plen; /* length */ int ptag; /* class value */ int pclass; /* class value */ int hdrlen; /* header length */ }; /* Typedefs for ASN1 function pointers */ typedef int ASN1_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx); typedef int ASN1_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass); typedef int ASN1_ex_new_func(ASN1_VALUE **pval, const ASN1_ITEM *it); typedef void ASN1_ex_free_func(ASN1_VALUE **pval, const ASN1_ITEM *it); typedef int ASN1_ex_print_func(BIO *out, ASN1_VALUE **pval, int indent, const char *fname, const ASN1_PCTX *pctx); typedef int ASN1_primitive_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, const ASN1_ITEM *it); typedef int ASN1_primitive_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, int utype, char *free_cont, const ASN1_ITEM *it); typedef int ASN1_primitive_print(BIO *out, ASN1_VALUE **pval, const ASN1_ITEM *it, int indent, const ASN1_PCTX *pctx); typedef struct ASN1_EXTERN_FUNCS_st { void *app_data; ASN1_ex_new_func *asn1_ex_new; ASN1_ex_free_func *asn1_ex_free; ASN1_ex_free_func *asn1_ex_clear; ASN1_ex_d2i *asn1_ex_d2i; ASN1_ex_i2d *asn1_ex_i2d; ASN1_ex_print_func *asn1_ex_print; } ASN1_EXTERN_FUNCS; typedef struct ASN1_PRIMITIVE_FUNCS_st { void *app_data; unsigned long flags; ASN1_ex_new_func *prim_new; ASN1_ex_free_func *prim_free; ASN1_ex_free_func *prim_clear; ASN1_primitive_c2i *prim_c2i; ASN1_primitive_i2c *prim_i2c; ASN1_primitive_print *prim_print; } ASN1_PRIMITIVE_FUNCS; /* * This is the ASN1_AUX structure: it handles various miscellaneous * requirements. For example the use of reference counts and an informational * callback. The "informational callback" is called at various points during * the ASN1 encoding and decoding. It can be used to provide minor * customisation of the structures used. This is most useful where the * supplied routines *almost* do the right thing but need some extra help at * a few points. If the callback returns zero then it is assumed a fatal * error has occurred and the main operation should be abandoned. If major * changes in the default behaviour are required then an external type is * more appropriate. */ typedef int ASN1_aux_cb(int operation, ASN1_VALUE **in, const ASN1_ITEM *it, void *exarg); typedef struct ASN1_AUX_st { void *app_data; int flags; int ref_offset; /* Offset of reference value */ int ref_lock; /* Lock type to use */ ASN1_aux_cb *asn1_cb; int enc_offset; /* Offset of ASN1_ENCODING structure */ } ASN1_AUX; /* For print related callbacks exarg points to this structure */ typedef struct ASN1_PRINT_ARG_st { BIO *out; int indent; const ASN1_PCTX *pctx; } ASN1_PRINT_ARG; /* For streaming related callbacks exarg points to this structure */ typedef struct ASN1_STREAM_ARG_st { /* BIO to stream through */ BIO *out; /* BIO with filters appended */ BIO *ndef_bio; /* Streaming I/O boundary */ unsigned char **boundary; } ASN1_STREAM_ARG; /* Flags in ASN1_AUX */ /* Use a reference count */ # define ASN1_AFLG_REFCOUNT 1 /* Save the encoding of structure (useful for signatures) */ # define ASN1_AFLG_ENCODING 2 /* The Sequence length is invalid */ # define ASN1_AFLG_BROKEN 4 /* operation values for asn1_cb */ # define ASN1_OP_NEW_PRE 0 # define ASN1_OP_NEW_POST 1 # define ASN1_OP_FREE_PRE 2 # define ASN1_OP_FREE_POST 3 # define ASN1_OP_D2I_PRE 4 # define ASN1_OP_D2I_POST 5 # define ASN1_OP_I2D_PRE 6 # define ASN1_OP_I2D_POST 7 # define ASN1_OP_PRINT_PRE 8 # define ASN1_OP_PRINT_POST 9 # define ASN1_OP_STREAM_PRE 10 # define ASN1_OP_STREAM_POST 11 # define ASN1_OP_DETACHED_PRE 12 # define ASN1_OP_DETACHED_POST 13 /* Macro to implement a primitive type */ # define IMPLEMENT_ASN1_TYPE(stname) IMPLEMENT_ASN1_TYPE_ex(stname, stname, 0) # define IMPLEMENT_ASN1_TYPE_ex(itname, vname, ex) \ ASN1_ITEM_start(itname) \ ASN1_ITYPE_PRIMITIVE, V_##vname, NULL, 0, NULL, ex, #itname \ ASN1_ITEM_end(itname) /* Macro to implement a multi string type */ # define IMPLEMENT_ASN1_MSTRING(itname, mask) \ ASN1_ITEM_start(itname) \ ASN1_ITYPE_MSTRING, mask, NULL, 0, NULL, sizeof(ASN1_STRING), #itname \ ASN1_ITEM_end(itname) # define IMPLEMENT_EXTERN_ASN1(sname, tag, fptrs) \ ASN1_ITEM_start(sname) \ ASN1_ITYPE_EXTERN, \ tag, \ NULL, \ 0, \ &fptrs, \ 0, \ #sname \ ASN1_ITEM_end(sname) /* Macro to implement standard functions in terms of ASN1_ITEM structures */ # define IMPLEMENT_ASN1_FUNCTIONS(stname) IMPLEMENT_ASN1_FUNCTIONS_fname(stname, stname, stname) # define IMPLEMENT_ASN1_FUNCTIONS_name(stname, itname) IMPLEMENT_ASN1_FUNCTIONS_fname(stname, itname, itname) # define IMPLEMENT_ASN1_FUNCTIONS_ENCODE_name(stname, itname) \ IMPLEMENT_ASN1_FUNCTIONS_ENCODE_fname(stname, itname, itname) # define IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(stname) \ IMPLEMENT_ASN1_ALLOC_FUNCTIONS_pfname(static, stname, stname, stname) # define IMPLEMENT_ASN1_ALLOC_FUNCTIONS(stname) \ IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, stname, stname) # define IMPLEMENT_ASN1_ALLOC_FUNCTIONS_pfname(pre, stname, itname, fname) \ pre stname *fname##_new(void) \ { \ return (stname *)ASN1_item_new(ASN1_ITEM_rptr(itname)); \ } \ pre void fname##_free(stname *a) \ { \ ASN1_item_free((ASN1_VALUE *)a, ASN1_ITEM_rptr(itname)); \ } # define IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) \ stname *fname##_new(void) \ { \ return (stname *)ASN1_item_new(ASN1_ITEM_rptr(itname)); \ } \ void fname##_free(stname *a) \ { \ ASN1_item_free((ASN1_VALUE *)a, ASN1_ITEM_rptr(itname)); \ } # define IMPLEMENT_ASN1_FUNCTIONS_fname(stname, itname, fname) \ IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \ IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) # define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(stname, itname, fname) \ stname *d2i_##fname(stname **a, const unsigned char **in, long len) \ { \ return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, ASN1_ITEM_rptr(itname));\ } \ int i2d_##fname(stname *a, unsigned char **out) \ { \ return ASN1_item_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname));\ } # define IMPLEMENT_ASN1_NDEF_FUNCTION(stname) \ int i2d_##stname##_NDEF(stname *a, unsigned char **out) \ { \ return ASN1_item_ndef_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(stname));\ } # define IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(stname) \ static stname *d2i_##stname(stname **a, \ const unsigned char **in, long len) \ { \ return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, \ ASN1_ITEM_rptr(stname)); \ } \ static int i2d_##stname(stname *a, unsigned char **out) \ { \ return ASN1_item_i2d((ASN1_VALUE *)a, out, \ ASN1_ITEM_rptr(stname)); \ } /* * This includes evil casts to remove const: they will go away when full ASN1 * constification is done. */ # define IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(stname, itname, fname) \ stname *d2i_##fname(stname **a, const unsigned char **in, long len) \ { \ return (stname *)ASN1_item_d2i((ASN1_VALUE **)a, in, len, ASN1_ITEM_rptr(itname));\ } \ int i2d_##fname(const stname *a, unsigned char **out) \ { \ return ASN1_item_i2d((ASN1_VALUE *)a, out, ASN1_ITEM_rptr(itname));\ } # define IMPLEMENT_ASN1_DUP_FUNCTION(stname) \ stname * stname##_dup(stname *x) \ { \ return ASN1_item_dup(ASN1_ITEM_rptr(stname), x); \ } # define IMPLEMENT_ASN1_PRINT_FUNCTION(stname) \ IMPLEMENT_ASN1_PRINT_FUNCTION_fname(stname, stname, stname) # define IMPLEMENT_ASN1_PRINT_FUNCTION_fname(stname, itname, fname) \ int fname##_print_ctx(BIO *out, stname *x, int indent, \ const ASN1_PCTX *pctx) \ { \ return ASN1_item_print(out, (ASN1_VALUE *)x, indent, \ ASN1_ITEM_rptr(itname), pctx); \ } # define IMPLEMENT_ASN1_FUNCTIONS_const(name) \ IMPLEMENT_ASN1_FUNCTIONS_const_fname(name, name, name) # define IMPLEMENT_ASN1_FUNCTIONS_const_fname(stname, itname, fname) \ IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(stname, itname, fname) \ IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(stname, itname, fname) /* external definitions for primitive types */ DECLARE_ASN1_ITEM(ASN1_BOOLEAN) DECLARE_ASN1_ITEM(ASN1_TBOOLEAN) DECLARE_ASN1_ITEM(ASN1_FBOOLEAN) DECLARE_ASN1_ITEM(ASN1_SEQUENCE) DECLARE_ASN1_ITEM(CBIGNUM) DECLARE_ASN1_ITEM(BIGNUM) DECLARE_ASN1_ITEM(INT32) DECLARE_ASN1_ITEM(ZINT32) DECLARE_ASN1_ITEM(UINT32) DECLARE_ASN1_ITEM(ZUINT32) DECLARE_ASN1_ITEM(INT64) DECLARE_ASN1_ITEM(ZINT64) DECLARE_ASN1_ITEM(UINT64) DECLARE_ASN1_ITEM(ZUINT64) # if OPENSSL_API_COMPAT < 0x10200000L /* * LONG and ZLONG are strongly discouraged for use as stored data, as the * underlying C type (long) differs in size depending on the architecture. * They are designed with 32-bit longs in mind. */ DECLARE_ASN1_ITEM(LONG) DECLARE_ASN1_ITEM(ZLONG) # endif DEFINE_STACK_OF(ASN1_VALUE) /* Functions used internally by the ASN1 code */ int ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it); void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it); int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len, const ASN1_ITEM *it, int tag, int aclass, char opt, ASN1_TLC *ctx); int ASN1_item_ex_i2d(ASN1_VALUE **pval, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass); #ifdef __cplusplus } #endif #endif