X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/72a12576750f52947eb043106ba5c12c0d07decf..b1ab9ed8d0e0f1c3b66d7daa8fd5564444c56195:/libsecurity_cryptkit/lib/byteRep.h

diff --git a/libsecurity_cryptkit/lib/byteRep.h b/libsecurity_cryptkit/lib/byteRep.h
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+/* Copyright (c) 1998 Apple Computer, Inc.  All rights reserved.
+ *
+ * NOTICE: USE OF THE MATERIALS ACCOMPANYING THIS NOTICE IS SUBJECT
+ * TO THE TERMS OF THE SIGNED "FAST ELLIPTIC ENCRYPTION (FEE) REFERENCE
+ * SOURCE CODE EVALUATION AGREEMENT" BETWEEN APPLE COMPUTER, INC. AND THE
+ * ORIGINAL LICENSEE THAT OBTAINED THESE MATERIALS FROM APPLE COMPUTER,
+ * INC.  ANY USE OF THESE MATERIALS NOT PERMITTED BY SUCH AGREEMENT WILL
+ * EXPOSE YOU TO LIABILITY.
+ ***************************************************************************
+ *
+ * byteRep.h - FEE portable byte representation support
+ *
+ * Revision History
+ * ----------------
+ * 17 Jul 97	Doug Mitchell at Apple
+ *	Added signature routines.
+ *  9 Jan 97	Doug Mitchell at NeXT
+ *	Split off from ckutilities.h
+ */
+
+#ifndef	_CK_BYTEREP_H_
+#define _CK_BYTEREP_H_
+
+#include "feeTypes.h"
+#include "giantIntegers.h"
+#include "elliptic.h"
+#include "curveParams.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Support for bytestream key and signature representation.
+ */
+int intToByteRep(int i, unsigned char *buf);
+int shortToByteRep(short s, unsigned char *buf);
+int giantToByteRep(giant g, unsigned char *buf);
+int keyToByteRep(key k, unsigned char *buf);
+int curveParamsToByteRep(curveParams *cp, unsigned char *buf);
+int sigToByteRep(int magic,
+	int version,
+	int minVersion,
+	giant g0,
+	giant g1,
+	unsigned char *buf);
+
+int lengthOfByteRepGiant(giant g);
+int lengthOfByteRepKey(key k);
+int lengthOfByteRepCurveParams(curveParams *cp);
+int lengthOfByteRepSig(giant g0,
+	giant g1);
+
+int byteRepToInt(const unsigned char *buf);
+unsigned short byteRepToShort(const unsigned char *buf);
+giant byteRepToGiant(const unsigned char *buf,
+	unsigned bufLen,
+	unsigned *giantLen);
+key byteRepToKey(const unsigned char *buf,
+	unsigned bufLen,
+	int twist,
+	curveParams *cp,
+	unsigned *keyLen);	// returned
+curveParams *byteRepToCurveParams(const unsigned char *buf,
+	unsigned bufLen,
+	unsigned *cpLen);
+int byteRepToSig(const unsigned char *buf,
+	unsigned bufLen,
+	int codeVersion,
+	int *sigMagic,				// RETURNED
+	int *sigVersion,			// RETURNED
+	int *sigMinVersion,			// RETURNED
+	giant *g0,					// alloc'd  & RETURNED
+	giant *g1);					// alloc'd  & RETURNED
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/*_CK_BYTEREP_H_*/