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Installing Libp11

  1. Download the latest libp11 package from Releases · OpenSC/libp11 · GitHub.

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# wget https://github.com/OpenSC/libp11/releases/download/libp11- 0.4.12/libp11-0.4.12.tar.gz

  1. Extract the file

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# tar -xvf libp11-0.4.12.tar.gz

  1. Go to libp11 directory, build and install libp11 using the following commands

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# cd libp11-0.4.12
# ./configure OPENSSL_CFLAGS="-I/usr/local/openssl/include/openssl" OPENSSL_LIBS="-L/usr/local/openssl/lib -lcrypto" prefix="/usr/local/libp11/"
# make
# make install
# export LD_LIBRARY_PATH=/usr/local/openssl/lib:
/usr/local/libp11/lib/:$LD_LIBRARY_PATH
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Figure 2: Output of configure command for libp11

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Figure 3: Output of configure command continued for libp11

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If you are using existing or pre-installed openssl then change the value of

OPENSSL_CFLAGS and OPENSSL_LIBS to their correct path.

Make a note of "Engine Directory" path while running the configure command as the pkcs11.so file is generated inside this directory after running "make install" command.
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After rebooting the server, export the library path every time.

# export LD_LIBRARY_PATH=/usr/local/openssl/lib:

/usr/local/libp11/lib/:$LD_LIBRARY_PATH and # export PATH=/usr/local/openssl/bin:$PATH