diff options
Diffstat (limited to 'src/rtl')
| -rw-r--r-- | src/rtl/trng_mixer.v | 80 |
1 files changed, 45 insertions, 35 deletions
diff --git a/src/rtl/trng_mixer.v b/src/rtl/trng_mixer.v index 821601b..455d15c 100644 --- a/src/rtl/trng_mixer.v +++ b/src/rtl/trng_mixer.v @@ -6,33 +6,33 @@ // // // Author: Joachim Strombergson -// Copyright (c) 2014, NORDUnet A/S All rights reserved. +// Copyright (c) 2014, SUNET +// All rights reserved. // -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// - Redistributions of source code must retain the above copyright notice, -// this list of conditions and the following disclaimer. +// Redistribution and use in source and binary forms, with or +// without modification, are permitted provided that the following +// conditions are met: // -// - Redistributions in binary form must reproduce the above copyright -// notice, this list of conditions and the following disclaimer in the -// documentation and/or other materials provided with the distribution. +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. // -// - Neither the name of the NORDUnet nor the names of its contributors may -// be used to endorse or promote products derived from this software -// without specific prior written permission. +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in +// the documentation and/or other materials provided with the +// distribution. // -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS -// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED -// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A -// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED -// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // //====================================================================== @@ -103,7 +103,7 @@ module trng_mixer( parameter ADDR_MIXER_STATUS = 8'h11; parameter ADDR_MIXER_TIMEOUT = 8'h20; - parameter DEFAULT_ENTROPY_TIMEOUT = 24'h800000; + parameter DEFAULT_ENTROPY_TIMEOUT = 24'h100000; //---------------------------------------------------------------- @@ -226,6 +226,10 @@ module trng_mixer( reg hash_init; reg hash_next; + wire hash_work_factor; + wire [31 : 0] hash_work_factor_num; + + wire [1023 : 0] hash_block; wire hash_ready; wire [511 : 0] hash_digest; @@ -260,6 +264,9 @@ module trng_mixer( block28_reg, block29_reg, block30_reg, block31_reg}; + assign hash_work_factor = 0; + assign hash_work_factor_num = 32'h00000000; + assign entropy0_ack = tmp_entropy0_ack; assign entropy1_ack = tmp_entropy1_ack; assign entropy2_ack = tmp_entropy2_ack; @@ -270,20 +277,23 @@ module trng_mixer( //---------------------------------------------------------------- // core instantiation. //---------------------------------------------------------------- - sha512_core hash( - .clk(clk), - .reset_n(reset_n), + sha512_core hash_inst( + .clk(clk), + .reset_n(reset_n), + + .init(hash_init), + .next(hash_next), + .mode(MODE_SHA_512), - .init(hash_init), - .next(hash_next), - .mode(MODE_SHA_512), + .work_factor(hash_work_factor), + .work_factor_num(hash_work_factor_num), - .block(hash_block), + .block(hash_block), - .ready(hash_ready), - .digest(hash_digest), - .digest_valid(hash_digest_valid) - ); + .ready(hash_ready), + .digest(hash_digest), + .digest_valid(hash_digest_valid) + ); //---------------------------------------------------------------- |