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+Name:          argon2
+Version:       20161029
+Release:       7
+Summary:       A password-hashing tool
+License:       Public Domain or ASL 2.0
+URL:           https://github.com/P-H-C/phc-winner-argon2
+Source0:       https://github.com/P-H-C/phc-winner-argon2/archive/1c4fc41f81f358283755eea88d4ecd05e43b7fd3/phc-winner-argon2-20161029-1c4fc41.tar.gz
+
+BuildRequires: gcc
+Provides:      libargon2
+Obsoletes:     libargon2
+
+%description
+Argon2 is a password-hashing function that summarizes the state of the art in the design of 
+memory-hard functions and can be used to hash passwords for credential storage, key derivation, 
+or other applications.
+
+It has a simple design aimed at the highest memory filling rate and effective use of multiple 
+computing units, while still providing defense against tradeoff attacks (by exploiting the 
+cache and memory organization of the recent processors).
+
+Argon2 has three variants: Argon2i, Argon2d, and Argon2id. Argon2d is faster and uses data-depending 
+memory access, which makes it highly resistant against GPU cracking attacks and suitable for 
+applications with no threats from side-channel timing attacks (eg. cryptocurrencies). Argon2i 
+instead uses data-independent memory access, which is preferred for password hashing and 
+password-based key derivation, but it is slower as it makes more passes over the memory to 
+protect from tradeoff attacks. Argon2id is a hybrid of Argon2i and Argon2d, using a combination 
+of data-depending and data-independent memory accesses, which gives some of Argon2i's resistance 
+to side-channel cache timing attacks and much of Argon2d's resistance to GPU cracking attacks.
+
+Argon2i, Argon2d, and Argon2id are parametrized by:
+
+- A time cost, which defines the amount of computation realized and therefore the execution 
+time, given in number of iterations
+- A memory cost, which defines the memory usage, given in kibibytes
+- A parallelism degree, which defines the number of parallel threads
+
+%package devel
+Summary:       Development library files for argon2
+Requires:      %{name}%{?_isa} = %{version}-%{release}
+Provides:      libargon2-devel
+Obsoletes:     libargon2-devel
+
+%description devel
+This package contains development library files and headers for the argon2.
+
+%package_help
+
+%prep
+%setup -qn phc-winner-argon2-1c4fc41f81f358283755eea88d4ecd05e43b7fd3
+
+if ! grep -q 'soname,libargon2.so.*' Makefile; then
+  : soname have changed
+  grep soname Makefile
+  exit 1
+fi
+
+sed -e 's:lib/@HOST_MULTIARCH@:%{_lib}:;s/@UPSTREAM_VER@/%{version}/' -i libargon2.pc
+
+sed -e '/^CFLAGS/s:^CFLAGS:LDFLAGS=%{build_ldflags}\nCFLAGS:' \
+    -e 's:-O3 -Wall:%{optflags}:' \
+    -e '/^LIBRARY_REL/s:lib:%{_lib}:' \
+    -e 's:-march=\$(OPTTARGET) :${CFLAGS} :' \
+    -e 's:CFLAGS += -march=\$(OPTTARGET)::' \
+    -i Makefile
+
+%build
+make -j1
+
+%install
+%make_install
+%delete_la_and_a
+
+install -Dpm 644 libargon2.pc %{buildroot}%{_libdir}/pkgconfig/libargon2.pc
+install -Dpm 644 man/argon2.1 %{buildroot}%{_mandir}/man1/argon2.1
+
+mv %{buildroot}%{_libdir}/libargon2.so %{buildroot}%{_libdir}/libargon2.so.0
+ln -s libargon2.so.0 %{buildroot}%{_libdir}/libargon2.so
+
+%check
+make test
+
+%pre
+
+%preun
+
+%post -n %{name} -p /sbin/ldconfig
+
+%postun -n %{name} -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_bindir}/%{name}
+%license LICENSE
+%{_libdir}/libargon2.so.*
+
+%files devel
+%defattr(-,root,root)
+%{_includedir}/%{name}.h
+%{_libdir}/libargon2.so
+%{_libdir}/pkgconfig/*pc
+
+%files help
+%doc *md
+%{_mandir}/man1/*
+
+%changelog
+* Tue Sep 10 2019 openEuler Buildteam <buildteam@openeuler.org> - 20161029-7
+- Package init
diff --git a/phc-winner-argon2-20161029-1c4fc41.tar.gz b/phc-winner-argon2-20161029-1c4fc41.tar.gz
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