X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/Security/libsecurity_cryptkit/lib/CurveParamDocs/ellproj.h

diff --git a/Security/libsecurity_cryptkit/lib/CurveParamDocs/ellproj.h b/Security/libsecurity_cryptkit/lib/CurveParamDocs/ellproj.h
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+/**************************************************************
+ *
+ *	ellproj.h
+ *
+ *	Header file for ellproj.c
+ *
+ *	Updates:
+ *		3 Apr 98    REC - Creation
+ *
+ *	c. 1998 Perfectly Scientific, Inc.
+ *	All Rights Reserved.
+ *
+ *
+ *************************************************************/
+
+/* definitions */
+
+typedef struct  /* This is how to define a projective point. */
+{
+	 giant x;
+	 giant y; 
+	 giant z;
+} point_struct_proj;
+
+typedef point_struct_proj *point_proj;
+
+point_proj  /* Allocates a new projective point. */
+new_point_proj(int shorts);
+
+void  /* Frees point. */
+free_point_proj(point_proj pt);
+
+void  /* Copies point to point. */
+ptop_proj(point_proj pt1, point_proj pt2);
+
+void  /* Initialization. */
+init_ell_proj(int shorts);
+
+void /* Point doubling. */
+ell_double_proj(point_proj pt, giant a, giant p);
+
+void /* Point addition. */
+ell_add_proj(point_proj pt0, point_proj pt1, giant a, giant p);
+
+void /* Point negation. */
+ell_neg_proj(point_proj pt, giant p);
+
+void /* Point subtraction. */
+ell_sub_proj(point_proj pt0, point_proj pt1, giant a, giant p);
+
+void /* General elliptic mul. */
+ell_mul_proj(point_proj pt0, point_proj pt1, giant k, giant a, giant p);
+
+void /* Generate normalized point (X, Y, 1) from given (x,y,z). */
+normalize_proj(point_proj pt, giant p);
+
+void /* Find a point (x, y, 1) on the curve. */
+find_point_proj(point_proj pt, giant seed, giant a, giant b, giant p);
+