| /* 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 scalar multiplication |
| * |
| * Performs multiplication of a P-384 curve point by a scalar. Both, the |
| * scalar and the affine coordinates of the point are contained in the |
| * .data section below. |
| * |
| * See comment at the end of the file for expected values of coordinates |
| * of resulting point. |
| */ |
| |
| .section .text.start |
| |
| p384_scalar_mult_test: |
| |
| /* set dmem pointer to point to x-coordinate */ |
| la x2, p1_x |
| la x3, dptr_x |
| sw x2, 0(x3) |
| |
| /* set dmem pointer to point to y-coordinate */ |
| la x2, p1_y |
| la x3, dptr_y |
| sw x2, 0(x3) |
| |
| /* set dmem pointer to point to scalar k */ |
| la x2, scalar |
| 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) |
| |
| /* call scalar point multiplication routine in P-384 lib */ |
| jal x1, scalar_mult_p384 |
| |
| /* load result to WDRs for comparison with reference */ |
| li x2, 0 |
| la x3, p1_x |
| bn.lid x2++, 0(x3) |
| bn.lid x2++, 32(x3) |
| la x3, p1_y |
| bn.lid x2++, 0(x3) |
| bn.lid x2, 32(x3) |
| |
| ecall |
| |
| |
| .section .data |
| |
| /* point 1 x-cooridante p1_x */ |
| p1_x: |
| .word 0x1a11808b |
| .word 0x02e3d5a9 |
| .word 0x440d8db6 |
| .word 0x5ef02be3 |
| .word 0x2a35de10 |
| .word 0xdbdb132e |
| .word 0xf84e7899 |
| .word 0x7dff4c2b |
| .word 0x24705317 |
| .word 0x30eda4ab |
| .word 0xb44ba799 |
| .word 0x3af8f1c5 |
| .zero 16 |
| |
| /* point 1 y-cooridante p1_y*/ |
| p1_y: |
| .word 0xa9f8b96e |
| .word 0x82f268be |
| .word 0x8e51c662 |
| .word 0x92b9c4bb |
| .word 0x757d4493 |
| .word 0x26b4d3c6 |
| .word 0xf491007e |
| .word 0x92a5c72a |
| .word 0x8d8d8641 |
| .word 0x87498a20 |
| .word 0x0fe7dbde |
| .word 0x841e4949 |
| .zero 16 |
| |
| /* scalar k */ |
| scalar: |
| .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 |
| |
| /* 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 |