blob: 04d80611a2b2141efbf9edc02ae6d43eaee0c596 [file] [log] [blame]
/* Copyright lowRISC contributors. */
/* Licensed under the Apache License, Version 2.0, see LICENSE for details. */
/* SPDX-License-Identifier: Apache-2.0 */
/**
* Standalone test for P-384 ECDSA signature generation
*
* Computes P-384 ECDSA signature for message, nonce and private key
* contained in the .data section.
*
* See comment at the end of the file for expected values of signature.
*/
.section .text.start
p384_ecdsa_sign_test:
/* set dmem pointer to nonce k */
la x2, nonce_k
la x3, dptr_k
sw x2, 0(x3)
/* set dmem pointer to point to blinding parameter */
la x2, blinding_param
la x3, dptr_rnd
sw x2, 0(x3)
/* set dmem pointer to point to message */
la x2, msg
la x3, dptr_msg
sw x2, 0(x3)
/* set dmem pointer to point to nonce k */
la x2, nonce_k
la x3, dptr_k
sw x2, 0(x3)
/* set dmem pointer to point to private key d */
la x2, priv_key_d
la x3, dptr_d
sw x2, 0(x3)
/* set dmem pointer to point to signature */
la x2, sig_r
la x3, dptr_r
sw x2, 0(x3)
la x2, sig_s
la x3, dptr_s
sw x2, 0(x3)
/* call ECDSA signing subroutine in P-384 lib */
jal x1, p384_sign
/* load signature to wregs for comparison with reference */
li x2, 0
la x3, sig_r
bn.lid x2++, 0(x3)
bn.lid x2, 32(x3)
li x2, 2
la x3, sig_s
bn.lid x2++, 0(x3)
bn.lid x2, 32(x3)
ecall
.data
/* nonce k */
nonce_k:
.word 0x99999999
.word 0x99999999
.word 0x99999999
.word 0x99999999
.word 0x99999999
.word 0x99999999
.word 0x99999999
.word 0x99999999
.word 0x99999999
.word 0x99999999
.word 0x99999999
.word 0x99999999
.zero 16
/* blinding parameter rnd */
blinding_param:
.word 0xa82c85b0
.word 0x163ce1c8
.word 0x32518fd7
.word 0xf8a428cd
.word 0xf5b9d867
.word 0x00906f5f
.word 0x7387b4f2
.word 0xa2d3da7a
.word 0xebe0a647
.word 0xfb2ef7ca
.word 0x74249432
.word 0x230e5ff6
.zero 16
/* message */
msg:
.word 0x55555555
.word 0x55555555
.word 0x55555555
.word 0x55555555
.word 0x55555555
.word 0x55555555
.word 0x55555555
.word 0x55555555
.word 0x55555555
.word 0x55555555
.word 0x55555555
.word 0x55555555
.zero 16
/* private key d */
priv_key_d:
.word 0xe8791ba3
.word 0xf549e1f7
.word 0x893be358
.word 0x100794fe
.word 0xbc9db95d
.word 0xfd7ed624
.word 0xc60ebab6
.word 0x97ba9586
.word 0xa026b431
.word 0x37112316
.word 0x8b26eef1
.word 0xc1a0cf66
.zero 16
/* signature R */
sig_r:
.zero 64
/* signature S */
sig_s:
.zero 64