crypto/internal/ecc.h

16  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
46  * ecc_swap_digits() - Copy ndigits from big endian array to native array
49  * @ndigits:  Number of digits to copy
57 		out[i] = get_unaligned_be64(&src[ndigits - 1 - i]);  in ecc_swap_digits()
61  * ecc_digits_from_bytes() - Create ndigits-sized digits array from byte array
65  * @ndigits:  Number of digits to create from byte array
67  * The first byte in the input byte array is expected to hold the most
74  * ecc_is_key_valid() - Validate a given ECDH private key
76  * @curve_id:		id representing the curve to use
78  * @private_key:	private key to be used for the given curve
87  * ecc_gen_privkey() -  Generates an ECC private key.
90  * point G.
91  * @curve_id:		id representing the curve to use
102  * ecc_make_pub_key() - Compute an ECC public key
104  * @curve_id:		id representing the curve to use
116  * crypto_ecdh_shared_secret() - Compute a shared secret
118  * @curve_id:		id representing the curve to use
135  * ecc_is_pubkey_valid_partial() - Partial public key validation
138  * @pk:			public key as a point
140  * Valdiate public key according to SP800-56A section 5.6.2.3.4 ECC Partial
141  * Public-Key Validation Routine.
146  * Return: 0 if validation is successful, -EINVAL if validation is failed.
152  * ecc_is_pubkey_valid_full() - Full public key validation
155  * @pk:			public key as a point
157  * Valdiate public key according to SP800-56A section 5.6.2.3.3 ECC Full
158  * Public-Key Validation Routine.
160  * Return: 0 if validation is successful, -EINVAL if validation is failed.
166  * vli_is_zero() - Determine is vli is zero
168  * @vli:		vli to check.
174  * vli_cmp() - compare left and right vlis
180  * Returns sign of @left - @right, i.e. -1 if @left < @right,
186  * vli_sub() - Subtracts right from left
188  * @result:		where to write result
193  * Note: can modify in-place.
201  * vli_from_be64() - Load vli from big-endian u64 array
210  * vli_from_le64() - Load vli from little-endian u64 array
219  * vli_mod_inv() - Modular inversion
221  * @result:		where to write vli number
222  * @input:		vli value to operate on
230  * vli_mod_mult_slow() - Modular multiplication
232  * @result:		where to write result value
233  * @left:		vli number to multiply with @right
234  * @right:		vli number to multiply with @left
244  * vli_num_bits() - Counts the number of bits required for vli.
246  * @vli:		vli to check.
249  * Return: The number of bits required to represent @vli.
254  * ecc_aloc_point() - Allocate ECC point.
258  * Return: Pointer to the allocated point or NULL if allocation failed.
263  * ecc_free_point() - Free ECC point.
265  * @p:			The point to free.
270  * ecc_point_is_zero() - Check if point is zero.
272  * @p:			Point to check for zero.
274  * Return: true if point is the point at infinity, false otherwise.
276 bool ecc_point_is_zero(const struct ecc_point *point);
279  * ecc_point_mult_shamir() - Add two points multiplied by scalars
281  * @result:		resulting point
282  * @x:			scalar to multiply with @p
283  * @p:			point to multiply with @x
284  * @y:			scalar to multiply with @q
285  * @q:			point to multiply with @y