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decrypt-verify.c
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decrypt-verify.c
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/* decrypt-verify.c - Decrypt and verify function.
Copyright (C) 2000 Werner Koch (dd9jn)
Copyright (C) 2001, 2002, 2003, 2004 g10 Code GmbH
This file is part of GPGME.
GPGME is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of
the License, or (at your option) any later version.
GPGME is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include "debug.h"
#include "gpgme.h"
#include "ops.h"
static gpgme_error_t
decrypt_verify_status_handler (void *priv, gpgme_status_code_t code,
char *args)
{
gpgme_error_t err;
err = _gpgme_progress_status_handler (priv, code, args);
if (!err)
err = _gpgme_decrypt_status_handler (priv, code, args);
if (!err)
err = _gpgme_verify_status_handler (priv, code, args);
return err;
}
static gpgme_error_t
decrypt_verify_start (gpgme_ctx_t ctx, int synchronous,
gpgme_data_t cipher, gpgme_data_t plain)
{
gpgme_error_t err;
err = _gpgme_op_reset (ctx, synchronous);
if (err)
return err;
err = _gpgme_op_decrypt_init_result (ctx);
if (err)
return err;
err = _gpgme_op_verify_init_result (ctx);
if (err)
return err;
if (!cipher)
return gpg_error (GPG_ERR_NO_DATA);
if (!plain)
return gpg_error (GPG_ERR_INV_VALUE);
if (ctx->passphrase_cb)
{
err = _gpgme_engine_set_command_handler
(ctx->engine, _gpgme_passphrase_command_handler, ctx, NULL);
if (err)
return err;
}
_gpgme_engine_set_status_handler (ctx->engine,
decrypt_verify_status_handler, ctx);
return _gpgme_engine_op_decrypt_verify (ctx->engine, cipher, plain,
ctx->export_session_keys,
ctx->override_session_key);
}
/* Decrypt ciphertext CIPHER and make a signature verification within
CTX and store the resulting plaintext in PLAIN. */
gpgme_error_t
gpgme_op_decrypt_verify_start (gpgme_ctx_t ctx, gpgme_data_t cipher,
gpgme_data_t plain)
{
gpgme_error_t err;
TRACE_BEG2 (DEBUG_CTX, "gpgme_op_decrypt_verify_start", ctx,
"cipher=%p, plain=%p", cipher, plain);
if (!ctx)
return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
err = decrypt_verify_start (ctx, 0, cipher, plain);
return TRACE_ERR (err);
}
/* Decrypt ciphertext CIPHER and make a signature verification within
CTX and store the resulting plaintext in PLAIN. */
gpgme_error_t
gpgme_op_decrypt_verify (gpgme_ctx_t ctx, gpgme_data_t cipher,
gpgme_data_t plain)
{
gpgme_error_t err;
TRACE_BEG2 (DEBUG_CTX, "gpgme_op_decrypt_verify", ctx,
"cipher=%p, plain=%p", cipher, plain);
if (!ctx)
return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
err = decrypt_verify_start (ctx, 1, cipher, plain);
if (!err)
err = _gpgme_wait_one (ctx);
return TRACE_ERR (err);
}

File Metadata

Mime Type
text/x-c
Expires
Tue, Apr 22, 3:54 AM (15 h, 41 m)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
22/a2/871c0e424e3ebda310b39c7178d0

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