1.
wget https://www.openssl.org/source/old/1.1.1/openssl-1.1.1w.tar.gz
yum install -y zlib
tar -zxvf openssl-1.1,1w.tar.gz
cd openssl1.1.1
./config --prefix=/usr/local/openssl111w
make -j 2
make install
2.
mv /usr/bin/openssl /usr/bin/openssl-old
ln -s /usr/local/openssl111w/bin/openssl /usr/bin/openssl
3.
openssl version
#如果有so报错
ln -s /usr/local/openssl111w/lib/libssl.so.1.1 /usr/lib64/libssl.so.1.1
ln -s /usr/local/openssl111w/lib/libcrypto.so.1.1 /usr/lib64/libcrypto.so.1.1
4.查看openssl 支持的算法
openssl help
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