mirror of https://github.com/openssl/openssl.git
93 lines
3.5 KiB
Plaintext
93 lines
3.5 KiB
Plaintext
=pod
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=head1 NAME
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CMS_ReceiptRequest_create0_ex, CMS_ReceiptRequest_create0,
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CMS_add1_ReceiptRequest, CMS_get1_ReceiptRequest, CMS_ReceiptRequest_get0_values
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- CMS signed receipt request functions
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=head1 SYNOPSIS
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#include <openssl/cms.h>
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CMS_ReceiptRequest *CMS_ReceiptRequest_create0_ex(
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unsigned char *id, int idlen, int allorfirst,
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STACK_OF(GENERAL_NAMES) *receiptList, STACK_OF(GENERAL_NAMES) *receiptsTo,
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OSSL_LIB_CTX *libctx);
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CMS_ReceiptRequest *CMS_ReceiptRequest_create0(
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unsigned char *id, int idlen, int allorfirst,
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STACK_OF(GENERAL_NAMES) *receiptList, STACK_OF(GENERAL_NAMES) *receiptsTo);
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int CMS_add1_ReceiptRequest(CMS_SignerInfo *si, CMS_ReceiptRequest *rr);
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int CMS_get1_ReceiptRequest(CMS_SignerInfo *si, CMS_ReceiptRequest **prr);
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void CMS_ReceiptRequest_get0_values(CMS_ReceiptRequest *rr, ASN1_STRING **pcid,
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int *pallorfirst,
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STACK_OF(GENERAL_NAMES) **plist,
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STACK_OF(GENERAL_NAMES) **prto);
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=head1 DESCRIPTION
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CMS_ReceiptRequest_create0_ex() creates a signed receipt request
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structure. The B<signedContentIdentifier> field is set using I<id> and I<idlen>,
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or it is set to 32 bytes of pseudo random data if I<id> is NULL.
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If I<receiptList> is NULL the allOrFirstTier option in I<receiptsFrom> is used
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and set to the value of the I<allorfirst> parameter. If I<receiptList> is not
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NULL the I<receiptList> option in I<receiptsFrom> is used. The I<receiptsTo>
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parameter specifies the I<receiptsTo> field value. The library context I<libctx>
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is used to find the public random generator.
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CMS_ReceiptRequest_create0() is similar to
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CMS_ReceiptRequest_create0_ex() but uses default values of NULL for the
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library context I<libctx>.
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The CMS_add1_ReceiptRequest() function adds a signed receipt request B<rr>
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to SignerInfo structure B<si>.
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int CMS_get1_ReceiptRequest() looks for a signed receipt request in B<si>, if
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any is found it is decoded and written to B<prr>.
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CMS_ReceiptRequest_get0_values() retrieves the values of a receipt request.
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The signedContentIdentifier is copied to B<pcid>. If the B<allOrFirstTier>
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option of B<receiptsFrom> is used its value is copied to B<pallorfirst>
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otherwise the B<receiptList> field is copied to B<plist>. The B<receiptsTo>
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parameter is copied to B<prto>.
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=head1 NOTES
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For more details of the meaning of the fields see RFC2634.
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The contents of a signed receipt should only be considered meaningful if the
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corresponding CMS_ContentInfo structure can be successfully verified using
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CMS_verify().
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=head1 RETURN VALUES
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CMS_ReceiptRequest_create0_ex() and CMS_ReceiptRequest_create0() return
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a signed receipt request structure or NULL if an error occurred.
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CMS_add1_ReceiptRequest() returns 1 for success or 0 if an error occurred.
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CMS_get1_ReceiptRequest() returns 1 is a signed receipt request is found and
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decoded. It returns 0 if a signed receipt request is not present and -1 if
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it is present but malformed.
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=head1 SEE ALSO
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L<ERR_get_error(3)>, L<CMS_sign(3)>,
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L<CMS_sign_receipt(3)>, L<CMS_verify(3)>
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L<CMS_verify_receipt(3)>
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=head1 HISTORY
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The function CMS_ReceiptRequest_create0_ex() was added in OpenSSL 3.0.
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=head1 COPYRIGHT
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Copyright 2008-2021 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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