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/* Copyright (c) 2017, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#ifndef OPENSSL_HEADER_PKCS7_INTERNAL_H
#define OPENSSL_HEADER_PKCS7_INTERNAL_H
#include <openssl/base.h>
#if defined(__cplusplus)
extern "C" {
#endif
/* pkcs7_parse_header reads the non-certificate/non-CRL prefix of a PKCS#7
* SignedData blob from |cbs| and sets |*out| to point to the rest of the
* input. If the input is in BER format, then |*der_bytes| will be set to a
* pointer that needs to be freed by the caller once they have finished
* processing |*out| (which will be pointing into |*der_bytes|).
*
* It returns one on success or zero on error. On error, |*der_bytes| is
* NULL. */
int pkcs7_parse_header(uint8_t **der_bytes, CBS *out, CBS *cbs);
/* pkcs7_bundle writes a PKCS#7, SignedData structure to |out| and then calls
* |cb| with a CBB to which certificate or CRL data can be written, and the
* opaque context pointer, |arg|. The callback can return zero to indicate an
* error.
*
* pkcs7_bundle returns one on success or zero on error. */
int pkcs7_bundle(CBB *out, int (*cb)(CBB *out, const void *arg),
const void *arg);
#if defined(__cplusplus)
} /* extern C */
#endif
#endif /* OPENSSL_HEADER_PKCS7_INTERNAL_H */
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