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[crypto] minor edits

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stnolting 2025-02-22 23:05:50 +01:00
parent 0b6c84425c
commit d2faddd586
1 changed files with 5 additions and 5 deletions
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10
rtl/core/neorv32_cpu_cp_crypto.vhd
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@ -11,7 +11,7 @@
-- -------------------------------------------------------------------------------- --
-- The NEORV32 RISC-V Processor - https://github.com/stnolting/neorv32 --
-- Copyright (c) NEORV32 contributors. --
-- Copyright (c) 2020 - 2024 Stephan Nolting. All rights reserved. --
-- Copyright (c) 2020 - 2025 Stephan Nolting. All rights reserved. --
-- Licensed under the BSD-3-Clause license, see LICENSE for details. --
-- SPDX-License-Identifier: BSD-3-Clause --
-- ================================================================================ --
@ -113,7 +113,6 @@ architecture neorv32_cpu_cp_crypto_rtl of neorv32_cpu_cp_crypto is
x"18", x"F0", x"7D", x"EC", x"3A", x"DC", x"4D", x"20", x"79", x"EE", x"5F", x"3E", x"D7", x"CB", x"39", x"48"
);
-- ----------------------------------------------------------------------------------------
-- helper functions
-- ----------------------------------------------------------------------------------------
@ -397,7 +396,9 @@ begin
xperm_disabled:
if not EN_ZBKX generate
xperm_res <= (others => '0');
xperm8_res <= (others => '0');
xperm4_res <= (others => '0');
xperm_res <= (others => '0');
end generate;
@ -437,8 +438,7 @@ begin
-- -------------------------------------------------------------------------------------------
sm3_enabled:
if EN_ZKSH generate
sm3_res <= (rs1 xor rol_f(rs1, 9) xor rol_f(rs1, 17)) when (funct12(0) = '0') else
(rs1 xor rol_f(rs1, 15) xor rol_f(rs1, 23));
sm3_res <= (rs1 xor rol_f(rs1, 9) xor rol_f(rs1, 17)) when (funct12(0) = '0') else (rs1 xor rol_f(rs1, 15) xor rol_f(rs1, 23));
end generate;
sm3_disabled: