/usr/include/GraphicsMagick/magick/signature.h is in libgraphicsmagick1-dev 1.3.28-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright (C) 2003 GraphicsMagick Group
Copyright (C) 2002 ImageMagick Studio
This program is covered by multiple licenses, which are described in
Copyright.txt. You should have received a copy of Copyright.txt with this
package; otherwise see http://www.graphicsmagick.org/www/Copyright.html.
Digital signature methods.
*/
#ifndef _MAGICK_SIGNATURE_H
#define _MAGICK_SIGNATURE_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
/*
Define declarations.
*/
#define SignatureSize 64
/*
Typedef declarations.
*/
typedef struct _SignatureInfo
{
unsigned long
digest[8],
low_order,
high_order;
long
offset;
unsigned char
message[SignatureSize];
} SignatureInfo;
/*
Method declarations.
*/
extern MagickExport unsigned int
SignatureImage(Image *);
extern MagickExport void
FinalizeSignature(SignatureInfo *),
GetSignatureInfo(SignatureInfo *),
TransformSignature(SignatureInfo *),
UpdateSignature(SignatureInfo *,const unsigned char *,const size_t);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif
/*
* Local Variables:
* mode: c
* c-basic-offset: 2
* fill-column: 78
* End:
*/
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