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X509_dup(3)                         OpenSSL                        X509_dup(3)



NAME
       DECLARE_ASN1_FUNCTIONS, IMPLEMENT_ASN1_FUNCTIONS, ASN1_ITEM,
       ACCESS_DESCRIPTION_free, ACCESS_DESCRIPTION_new, ADMISSIONS_free,
       ADMISSIONS_new, ADMISSION_SYNTAX_free, ADMISSION_SYNTAX_new,
       ASIdOrRange_free, ASIdOrRange_new, ASIdentifierChoice_free,
       ASIdentifierChoice_new, ASIdentifiers_free, ASIdentifiers_new,
       ASRange_free, ASRange_new, AUTHORITY_INFO_ACCESS_free,
       AUTHORITY_INFO_ACCESS_new, AUTHORITY_KEYID_free, AUTHORITY_KEYID_new,
       BASIC_CONSTRAINTS_free, BASIC_CONSTRAINTS_new,
       CERTIFICATEPOLICIES_free, CERTIFICATEPOLICIES_new,
       CMS_ContentInfo_free, CMS_ContentInfo_new, CMS_ContentInfo_print_ctx,
       CMS_ReceiptRequest_free, CMS_ReceiptRequest_new, CRL_DIST_POINTS_free,
       CRL_DIST_POINTS_new, DIRECTORYSTRING_free, DIRECTORYSTRING_new,
       DISPLAYTEXT_free, DISPLAYTEXT_new, DIST_POINT_NAME_free,
       DIST_POINT_NAME_new, DIST_POINT_free, DIST_POINT_new, DSAparams_dup,
       ECPARAMETERS_free, ECPARAMETERS_new, ECPKPARAMETERS_free,
       ECPKPARAMETERS_new, EDIPARTYNAME_free, EDIPARTYNAME_new,
       ESS_CERT_ID_dup, ESS_CERT_ID_free, ESS_CERT_ID_new,
       ESS_ISSUER_SERIAL_dup, ESS_ISSUER_SERIAL_free, ESS_ISSUER_SERIAL_new,
       ESS_SIGNING_CERT_dup, ESS_SIGNING_CERT_free, ESS_SIGNING_CERT_new,
       EXTENDED_KEY_USAGE_free, EXTENDED_KEY_USAGE_new, GENERAL_NAMES_free,
       GENERAL_NAMES_new, GENERAL_NAME_dup, GENERAL_NAME_free,
       GENERAL_NAME_new, GENERAL_SUBTREE_free, GENERAL_SUBTREE_new,
       IPAddressChoice_free, IPAddressChoice_new, IPAddressFamily_free,
       IPAddressFamily_new, IPAddressOrRange_free, IPAddressOrRange_new,
       IPAddressRange_free, IPAddressRange_new, ISSUING_DIST_POINT_free,
       ISSUING_DIST_POINT_new, NAME_CONSTRAINTS_free, NAME_CONSTRAINTS_new,
       NAMING_AUTHORITY_free, NAMING_AUTHORITY_new,
       NETSCAPE_CERT_SEQUENCE_free, NETSCAPE_CERT_SEQUENCE_new,
       NETSCAPE_SPKAC_free, NETSCAPE_SPKAC_new, NETSCAPE_SPKI_free,
       NETSCAPE_SPKI_new, NOTICEREF_free, NOTICEREF_new, OCSP_BASICRESP_free,
       OCSP_BASICRESP_new, OCSP_CERTID_dup, OCSP_CERTID_new,
       OCSP_CERTSTATUS_free, OCSP_CERTSTATUS_new, OCSP_CRLID_free,
       OCSP_CRLID_new, OCSP_ONEREQ_free, OCSP_ONEREQ_new, OCSP_REQINFO_free,
       OCSP_REQINFO_new, OCSP_RESPBYTES_free, OCSP_RESPBYTES_new,
       OCSP_RESPDATA_free, OCSP_RESPDATA_new, OCSP_RESPID_free,
       OCSP_RESPID_new, OCSP_RESPONSE_new, OCSP_REVOKEDINFO_free,
       OCSP_REVOKEDINFO_new, OCSP_SERVICELOC_free, OCSP_SERVICELOC_new,
       OCSP_SIGNATURE_free, OCSP_SIGNATURE_new, OCSP_SINGLERESP_free,
       OCSP_SINGLERESP_new, OTHERNAME_free, OTHERNAME_new, PBE2PARAM_free,
       PBE2PARAM_new, PBEPARAM_free, PBEPARAM_new, PBKDF2PARAM_free,
       PBKDF2PARAM_new, PKCS12_BAGS_free, PKCS12_BAGS_new,
       PKCS12_MAC_DATA_free, PKCS12_MAC_DATA_new, PKCS12_SAFEBAG_free,
       PKCS12_SAFEBAG_new, PKCS12_free, PKCS12_new, PKCS7_DIGEST_free,
       PKCS7_DIGEST_new, PKCS7_ENCRYPT_free, PKCS7_ENCRYPT_new,
       PKCS7_ENC_CONTENT_free, PKCS7_ENC_CONTENT_new, PKCS7_ENVELOPE_free,
       PKCS7_ENVELOPE_new, PKCS7_ISSUER_AND_SERIAL_free,
       PKCS7_ISSUER_AND_SERIAL_new, PKCS7_RECIP_INFO_free,
       PKCS7_RECIP_INFO_new, PKCS7_SIGNED_free, PKCS7_SIGNED_new,
       PKCS7_SIGNER_INFO_free, PKCS7_SIGNER_INFO_new,
       PKCS7_SIGN_ENVELOPE_free, PKCS7_SIGN_ENVELOPE_new, PKCS7_dup,
       PKCS7_free, PKCS7_new, PKCS7_print_ctx, PKCS8_PRIV_KEY_INFO_free,
       PKCS8_PRIV_KEY_INFO_new, PKEY_USAGE_PERIOD_free, PKEY_USAGE_PERIOD_new,
       POLICYINFO_free, POLICYINFO_new, POLICYQUALINFO_free,
       POLICYQUALINFO_new, POLICY_CONSTRAINTS_free, POLICY_CONSTRAINTS_new,
       POLICY_MAPPING_free, POLICY_MAPPING_new, PROFESSION_INFO_free,
       PROFESSION_INFO_new, PROFESSION_INFOS_free, PROFESSION_INFOS_new,
       PROXY_CERT_INFO_EXTENSION_free, PROXY_CERT_INFO_EXTENSION_new,
       PROXY_POLICY_free, PROXY_POLICY_new, RSAPrivateKey_dup,
       RSAPublicKey_dup, RSA_OAEP_PARAMS_free, RSA_OAEP_PARAMS_new,
       RSA_PSS_PARAMS_free, RSA_PSS_PARAMS_new, SCRYPT_PARAMS_free,
       SCRYPT_PARAMS_new, SXNETID_free, SXNETID_new, SXNET_free, SXNET_new,
       TLS_FEATURE_free, TLS_FEATURE_new, TS_ACCURACY_dup, TS_ACCURACY_free,
       TS_ACCURACY_new, TS_MSG_IMPRINT_dup, TS_MSG_IMPRINT_free,
       TS_MSG_IMPRINT_new, TS_REQ_dup, TS_REQ_free, TS_REQ_new, TS_RESP_dup,
       TS_RESP_free, TS_RESP_new, TS_STATUS_INFO_dup, TS_STATUS_INFO_free,
       TS_STATUS_INFO_new, TS_TST_INFO_dup, TS_TST_INFO_free, TS_TST_INFO_new,
       USERNOTICE_free, USERNOTICE_new, X509_ALGOR_free, X509_ALGOR_new,
       X509_ATTRIBUTE_dup, X509_ATTRIBUTE_free, X509_ATTRIBUTE_new,
       X509_CERT_AUX_free, X509_CERT_AUX_new, X509_CINF_free, X509_CINF_new,
       X509_CRL_INFO_free, X509_CRL_INFO_new, X509_CRL_dup, X509_CRL_free,
       X509_CRL_new, X509_EXTENSION_dup, X509_EXTENSION_free,
       X509_EXTENSION_new, X509_NAME_ENTRY_dup, X509_NAME_ENTRY_free,
       X509_NAME_ENTRY_new, X509_NAME_dup, X509_NAME_free, X509_NAME_new,
       X509_REQ_INFO_free, X509_REQ_INFO_new, X509_REQ_dup, X509_REQ_free,
       X509_REQ_new, X509_REVOKED_dup, X509_REVOKED_free, X509_REVOKED_new,
       X509_SIG_free, X509_SIG_new, X509_VAL_free, X509_VAL_new, X509_dup, -
       ASN1 object utilities

LIBRARY
       libcrypto, -lcrypto

SYNOPSIS
        #include <openssl/asn1t.h>

        DECLARE_ASN1_FUNCTIONS(type)
        IMPLEMENT_ASN1_FUNCTIONS(stname)

        typedef struct ASN1_ITEM_st ASN1_ITEM;

        extern const ASN1_ITEM TYPE_it;
        TYPE *TYPE_new(void);
        TYPE *TYPE_dup(TYPE *a);
        void TYPE_free(TYPE *a);
        int TYPE_print_ctx(BIO *out, TYPE *a, int indent, const ASN1_PCTX *pctx);

DESCRIPTION
       In the description below, TYPE is used as a placeholder for any of the
       OpenSSL datatypes, such as X509.

       The OpenSSL ASN1 parsing library templates are like a data-driven
       bytecode interpreter.  Every ASN1 object as a global variable, TYPE_it,
       that describes the item such as its fields.  (On systems which cannot
       export variables from shared libraries, the global is instead a
       function which returns a pointer to a static variable.

       The macro DECLARE_ASN1_FUNCTIONS() is typically used in header files to
       generate the function declarations.

       The macro IMPLEMENT_ASN1_FUNCTIONS() is used once in a source file to
       generate the function bodies.

       TYPE_new() allocates an empty object of the indicated type.  The object
       returned must be released by calling TYPE_free().

       TYPE_dup() copies an existing object.

       TYPE_free() releases the object and all pointers and sub-objects within
       it.

       TYPE_print_ctx() prints the object a on the specified BIO out.  Each
       line will be prefixed with indent spaces.  The pctx specifies the
       printing context and is for internal use; use NULL to get the default
       behavior.  If a print function is user-defined, then pass in any pctx
       down to any nested calls.

RETURN VALUES
       TYPE_new() and TYPE_dup() return a pointer to the object or NULL on
       failure.

       TYPE_print_ctx() returns 1 on success or zero on failure.

COPYRIGHT
       Copyright 2016-2018 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>.



1.1.1                             2018-09-17                       X509_dup(3)