documentation

crypto/fipsmodule/ec/ec_nistp.c

@@ -19,7 +19,7 @@
 // | 2. |   x   |   x   |   x*  |
 // | 3. |   x   |   x   |       |
 // | 4. |   x   |   x   |   x*  |
-// | 5. |       |       |       |
+// | 5. |   x   |   x   |       |
 //  * For P-256, only the Fiat-crypto implementation in p256.c is replaced. 
 
 #include "ec_nistp.h"

crypto/fipsmodule/ec/p384.c

@@ -463,26 +463,6 @@ static int ec_GFp_nistp384_cmp_x_coordinate(const EC_GROUP *group,
 //
 // For detailed analysis of different window sizes see the bottom of this file.
 
-// Constants for scalar encoding in the scalar multiplication functions.
-#define P384_MUL_WSIZE        (5) // window size w
-// Assert the window size is 5 because the pre-computed table in |p384_table.h|
-// is generated for window size 5.
-OPENSSL_STATIC_ASSERT(P384_MUL_WSIZE == 5,
-    p384_scalar_mul_window_size_is_not_equal_to_five)
-
-#define P384_MUL_TWO_TO_WSIZE (1 << P384_MUL_WSIZE)
-
-// Number of |P384_MUL_WSIZE|-bit windows in a 384-bit value
-#define P384_MUL_NWINDOWS     ((384 + P384_MUL_WSIZE - 1)/P384_MUL_WSIZE)
-
-// For the public point in |ec_GFp_nistp384_point_mul_public| function
-// we use window size w = 5.
-#define P384_MUL_PUB_WSIZE    (5)
-
-// We keep only odd multiples in tables, hence the table size is (2^w)/2
-#define P384_MUL_TABLE_SIZE     (P384_MUL_TWO_TO_WSIZE >> 1)
-#define P384_MUL_PUB_TABLE_SIZE (1 << (P384_MUL_PUB_WSIZE - 1))
-
 // Multiplication of an arbitrary point by a scalar, r = [scalar]P.
 static void ec_GFp_nistp384_point_mul(const EC_GROUP *group, EC_JACOBIAN *r,
                                       const EC_JACOBIAN *p,

crypto/fipsmodule/ec/p521.c

@@ -400,28 +400,6 @@ static void ec_GFp_nistp521_dbl(const EC_GROUP *group, EC_JACOBIAN *r,
 // The precomputed table of base point multiples is generated by the code in
 // |make_tables.go| script.
 
-// Constants for scalar encoding in the scalar multiplication functions.
-#define P521_MUL_WSIZE        (5) // window size w
-// Assert the window size is 5 because the pre-computed table in |p521_table.h|
-// is generated for window size 5.
-OPENSSL_STATIC_ASSERT(P521_MUL_WSIZE == 5,
-    p521_scalar_mul_window_size_is_not_equal_to_five)
-
-#define P521_MUL_TWO_TO_WSIZE (1 << P521_MUL_WSIZE)
-
-// Number of |P521_MUL_WSIZE|-bit windows in a 521-bit value
-#define P521_MUL_NWINDOWS     ((521 + P521_MUL_WSIZE - 1)/P521_MUL_WSIZE)
-
-// For the public point in |ec_GFp_nistp521_point_mul_public| function
-// we use window size equal to 5.
-#define P521_MUL_PUB_WSIZE    (5)
-
-// We keep only odd multiples in tables, hence the table size is (2^w)/2
-#define P521_MUL_TABLE_SIZE     (P521_MUL_TWO_TO_WSIZE >> 1)
-#define P521_MUL_PUB_TABLE_SIZE (1 << (P521_MUL_PUB_WSIZE - 1))
-
-// p521_select_point_affine selects the |idx|-th affine point from
-// the given precomputed table and copies it to |out| in constant-time.
 // Multiplication of an arbitrary point by a scalar, r = [scalar]P.
 static void ec_GFp_nistp521_point_mul(const EC_GROUP *group, EC_JACOBIAN *r,
                                       const EC_JACOBIAN *p,