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IPP Crypto 2021.5
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‎BUILD.md

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### Linux* OS
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- [Common tools](#common-tools)
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- Intel® C++ Compiler 19.1 for Linux\* OS
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- Intel® C++ Compiler Classic 2021.3 for Linux\* OS
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- GCC 8.3
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- GCC 9.1
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- GCC 10.1
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- GCC 11.1
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- Clang 9.0
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- Clang 12.0
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- GNU binutils 2.32
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### Windows* OS
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- [Common tools](#common-tools)
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- Intel® C++ Compiler 19.1 for Windows\* OS
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- Intel® C++ Compiler Classic 2021.3 for Windows\* OS
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- Microsoft Visual C++ Compiler\* version 19.16 provided by Microsoft Visual Studio\* 2017 version 15.9
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> **NOTE:** Support for this compiler version will be removed from Intel IPP Cryptography starting 2021.4 release. If you use it for building Intel IPP Cryptography library, please plan on migrating to a newer supported version of Microsoft Visual C++ Compiler\*.
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- Microsoft Visual C++ Compiler\* version 19.24 provided by Microsoft Visual Studio\* 2019 version 16.4
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### macOS*
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- [Common tools](#common-tools)
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- Intel® C++ Compiler 19.1 for macOS\*
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- Intel® C++ Compiler Classic 2021.3 for macOS\*
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## Building Intel IPP Cryptography on Linux\* OS
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The software was validated on:
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- Red Hat\* Enterprise Linux\* 7
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To build the Intel IPP Cryptography library on Linux\* OS, complete the following steps:
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To build the Intel IPP Cryptography library on Linux\* OS, complete the following steps:
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1. Clone the source code from GitHub\* as follows:
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``` bash
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For Intel® C++ Compiler and Visual Studio\* 2019:
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``` bash
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cmake CMakeLists.txt -B_build -G"Visual Studio 16 2019" -T"Intel C++ Compiler 19.1" -Ax64
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cmake CMakeLists.txt -B_build -G"Visual Studio 16 2019" -T"Intel C++ Compiler 19.2" -Ax64
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```
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For MSVC\* Compiler and Visual Studio\* 2019:
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The software was validated on:
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- macOS\* 10.14
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- macOS\* 10.15
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To build the Intel IPP Cryptography library on macOS*, complete the following steps:
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‎CHANGELOG.md

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This is a list of notable changes to Intel(R) IPP Cryptography, in reverse chronological order.
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## Intel(R) IPP Cryptography 2021.5
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- Bugfixes.
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## Intel(R) IPP Cryptography 2021.4
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- Crypto Multi buffer library was extended with ECB, CBC, CTR, OFB and CFB modes of SM4 algorithm.
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- Crypto Multi buffer library was extended with EC SM2 public key generation, ECDHE and ECDSA (Sign and Verify) algorithms.

‎THIRD-PARTY-PROGRAMS.txt

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-------------------------------------------------------------
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1. Intel(R) Multi-Buffer Crypto for IPsec Library
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1. Intel(R) Multi-Buffer Crypto for IPSec Library
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Copyright (c) 2012-2021, Intel Corporation
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‎examples/CMakeLists.txt

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# AES examples
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aes/aes-256-ctr-encryption.cpp
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aes/aes-256-ctr-decryption.cpp
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# DSA
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dsa/dsa-dlp-sha-1-verification.cpp
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dsa/dsa-dlp-sha-256-verification.cpp
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# RSA SSA-PSS examples
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rsa/rsa-3k-pss-sha384-type1-signature.cpp
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rsa/rsa-1k-pss-sha1-verification.cpp

‎examples/dsa/categoryOptions.cmake

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#===============================================================================
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# Copyright 2019-2021 Intel Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#===============================================================================
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set(dsa_CATEGORY_COMMON_SOURCES
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${CMAKE_CURRENT_SOURCE_DIR}/utils/bignum.cpp
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${CMAKE_CURRENT_SOURCE_DIR}/utils/utils.cpp
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)

‎examples/dsa/dsa-dlp-sha-1-verification.cpp

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/*******************************************************************************
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* Copyright 2021 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*******************************************************************************/
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/*!
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*
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* \file
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*
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* \brief DSA-DLP verification scheme example
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*
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* This example demonstrates message verification according to
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* DSA-DLP scheme with (L = 1024, N = 160) DSA parameters and SHA-1 hash function.
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*
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* The DSA-DLP scheme is implemented according : Digital Signature Standard (DSS) (FIPS PUB 186-4) (July 2013)
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*
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* available at:
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*
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* http://dx.doi.org/10.6028/NIST.FIPS.186-4.
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*
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*/
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#include <string.h>
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#include "bignum.h"
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#include "examples_common.h"
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#include "ippcp.h"
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/*! Parameters DSA-DLP scheme */
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static const int L_BIT = 1024;
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static const int N_BIT = 160;
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/*! Message size in bytes */
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static const int MSG_LEN_BYTE = 6;
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/*! Message text */
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static Ipp8u MSG[MSG_LEN_BYTE] = {0x31, 0x32, 0x33,
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0x34, 0x30, 0x30};
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/*! The generator of the multiplicative subgroup */
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static const BigNumber G(
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"0x"
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"0835AA8C358BBF01A1846D1206323FABE408B0E98789FCC6239DA14D4B3F86C2"
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"76A8F48AA85A59507E620AD1BC745F0F1CBF63EC98C229C2610D77C634D1642E"
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"404354771655B2D5662F7A45227178CE3430AF0F6B3BB94B52F7F51E97BAD659"
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"B1BA0684E208BE624C28D82FB1162F18DD9DCE45216461654CF3374624D15A8D");
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/*! The modulus p */
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static const BigNumber P(
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"0x"
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"B34CE9C1E78294D3258473842005D2A48C8C566CFCA8F84C0606F2529B59A6D3"
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"8AAE071B53BB2167EAA4FC3B01FE176E787E481B6037AAC62CBC3D089799536A"
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"869FA8CDFEA1E8B1FD2D1CD3A30350859A2CD6B3EC2F9BFBB68BB11B4BBE2ADA"
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"A18D64A93639543AE5E16293E311C0CF8C8D6E180DF05D08C2FD2D93D570751F");
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/*! The order of the generator g */
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static const BigNumber Q("0xB90B38BA0A50A43EC6898D3F9B68049777F489B1");
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/*! The public key value */
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static const BigNumber Y(
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"0x"
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"173931DDA31EFF32F24B383091BF77EACDC6EFD557624911D8E9B9DEBF0F256D"
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"0CFFAC5567B33F6EAAE9D3275BBED7EF9F5F94C4003C959E49A1ED3F58C31B21"
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"BACCC0ED8840B46145F121B8906D072129BAE01F071947997E8EF760D2D9EA21"
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"D08A5EB7E89390B21A85664713C549E25FEDA6E9E6C31970866BDFBC8FA981F6");
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/*! R digital signature component */
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static const BigNumber sigR("0xAA6A258FBF7D90E15614676D377DF8B10E38DB4A");
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/*! S digital signature component */
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static const BigNumber sigS("0x496D5220B5F67D3532D1F991203BC3523B964C3B");
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int main(void) {
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/*! Internal function status */
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IppStatus status = ippStsNoErr;
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/* Pointer to DSA DLP context structure */
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IppsDLPState* pDL = NULL;
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/* Result verification DSA DLP */
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IppDLResult result = ippDLValid;
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/* Size of DSA-DLP context structure. It will be set up in ippsDLPGetSize(). */
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int DLSize = 0;
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/* Digest size */
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const int digestSizeBit = IPP_SHA1_DIGEST_BITSIZE;
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const int digestSizeByte = digestSizeBit / 8;
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/* Pointer to the SHA-1 hash method */
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const IppsHashMethod* hashMethod = ippsHashMethod_SHA1();
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/*! Algorithm */
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do {
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/* 1. Create a digest by message */
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/*! Buffer create digest */
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Ipp8u md[digestSizeByte] = {};
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/*! Create digest by message */
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status = ippsHashMessage_rmf(MSG,
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MSG_LEN_BYTE,
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md,
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hashMethod);
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/*! Check status create digest */
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if (ippStsNoErr != status)
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break;
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/*!
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* (!) Allocate BigNumber container for the shrank message digest.
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* Note, the DSA algorithm uses only leftmost |minSizeDigestBit| bits of the original message digest
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*/
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const int minSizeDigestBit = IPP_MIN(N_BIT, digestSizeBit);
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BigNumber digest(NULL, bitSizeInWords(minSizeDigestBit));
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/*! Set digest to BigNumber */
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status = ippsSetOctString_BN(md,
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bitSizeInBytes(minSizeDigestBit),
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digest);
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if (ippStsNoErr != status)
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break;
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/* 2. Get size needed for DSA DLP context structure */
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status = ippsDLPGetSize(L_BIT, N_BIT,
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&DLSize);
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if (ippStsNoErr != status)
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break;
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/* 3. Allocate memory for DSA DLP context structure */
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pDL = (IppsDLPState*)(new Ipp8u[DLSize]);
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if (NULL == pDL) {
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printf("ERROR: Cannot allocate memory (%d bytes) for DSA DLP context\n", DLSize);
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return -1;
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}
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/* 4. Initialize DSA DLP context */
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status = ippsDLPInit(L_BIT, N_BIT,
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pDL);
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if (ippStsNoErr != status)
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break;
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/* 5. Set DL Domain Parameters */
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status = ippsDLPSet(P, Q, G, pDL);
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if (ippStsNoErr != status)
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break;
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/* 6. Set up Key Pair into the DL context */
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status = ippsDLPSetKeyPair(NULL, /* optional Private Key Set */
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Y,
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pDL);
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if (ippStsNoErr != status)
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break;
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/* 7. Verify Signature DSA DLP */
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status = ippsDLPVerifyDSA(digest,
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sigR, sigS,
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&result,
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pDL);
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if (ippStsNoErr != status)
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break;
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if (ippDLValid != result)
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status = ippStsErr;
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} while (0); /* end Algorithm */
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/* 8. Remove secret and release resources */
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if (NULL != pDL)
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delete[](Ipp8u*) pDL;
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PRINT_EXAMPLE_STATUS("ippsDLPVerifyDSA", "DSA-DLP Verification Hash Method Message SHA-1", ippStsNoErr == status);
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return status;
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}

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