Comments (7)
conradoplg
commented on August 18, 2024
I did it once. The easier way is to build a standalone toolchain. With the CC variable exported as described there, just call cmake and make according the RELIC's instructions. This will result in a .a library which can be called by your Android application (you will still need to write the necessary JNI Java glue to call it)
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YangRongAtGit
commented on August 18, 2024
Hi conradoplg, thanks for your reply, I tried to follow the google guild. I am able to call <relic_root>\build\cmake .. to config the project. But when I call <relic_root>\build\make I got following errors:
arm-linux-androideabi-gcc-4.9.x: error: unrecognized command line option '-m64'
src/CMakeFiles/relic.dir/build.make:62: recipe for target 'src/CMakeFiles/relic.dir/relic_err.c.o' failed
make[2]: *** [src/CMakeFiles/relic.dir/relic_err.c.o] Error 1
CMakeFiles/Makefile2:120: recipe for target 'src/CMakeFiles/relic.dir/all' failed
make[1]: *** [src/CMakeFiles/relic.dir/all] Error 2
Makefile:138: recipe for target 'all' failed
make: *** [all] Error 2
Did you have the same problem when you build the library for android?
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conradoplg
commented on August 18, 2024
You need to set the architecture for RELIC with cmake -DARCH=arm -DWORD=32 . before running make.
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dfaranha
commented on August 18, 2024
The present in https://github.com/relic-toolkit/relic/blob/master/preset/armdroid-pbc-128.sh may help you too.
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YangRongAtGit
commented on August 18, 2024
Thanks for your suggestions. I modified the script that dfaranha suggested (since I am targeting different api level). It compiled successfully.
DROID_API_LV=android-22
#export NDK=/opt/android-ndk
#export NDK=$ANDROID_NDK
export NDK=<ndk_path>
SYSROOT=$NDK/platforms/$DROID_API_LV/arch-arm
COMPILER_PREFIX=$NDK/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-
export CC="${COMPILER_PREFIX}gcc --sysroot=$SYSROOT"
export CXX="${COMPILER_PREFIX}g++ --sysroot=$SYSROOT"
export LD= "${COMPILER_PREFIX}ld --sysroot=$SYSROOT"
export CPP="${COMPILER_PREFIX}cpp --sysroot=$SYSROOT"
export AS="${COMPILER_PREFIX}as --sysroot=$SYSROOT"
export OBJCOPY="${COMPILER_PREFIX}objcopy --sysroot=$SYSROOT"
export OBJDUMP="${COMPILER_PREFIX}objdump --sysroot=$SYSROOT"
export STRIP="${COMPILER_PREFIX}strip --sysroot=$SYSROOT"
export RANLIB="${COMPILER_PREFIX}ranlib --sysroot=$SYSROOT"
export CCLD="${COMPILER_PREFIX}gcc --sysroot=$SYSROOT"
export AR="${COMPILER_PREFIX}ar --sysroot=$SYSROOT"
cmake -DWITH="DV;BN;MD;FP;EP;FPX;EPX;PP;PC" -DCHECK=off -DARITH=arm-asm-254 -DARCH=ARM -DCOLOR=off -DOPSYS=DROID -DFP_PRIME=254 -DFP_QNRES=on -DFP_METHD="INTEG;INTEG;INTEG;MONTY;EXGCD;SLIDE" -DFPX_METHD="INTEG;INTEG;LAZYR" -DPP_METHD="LAZYR;OATEP" -DCOMP="-O3 -funroll-loops -fomit-frame-pointer -I$NDK/platforms/$DROID_API_LV/arch-arm/usr/include" -DLINK="-L/opt/android-ndk/platforms/$DROID_API_LV/arch-arm/usr/lib/ -llog" -DTIMER=HREAL -DWORD=32 -DSTLIB=on -DSHLIB=off $1
Then in the build folder:
relic/build$: cmake ..
relic/build$: make
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YangRongAtGit
commented on August 18, 2024
To fix the linking errors:
./../../SCF/libs/OC/OwnerClient/main.cpp:192: error: undefined reference to 'cp_bgn_gen'
./../../SCF/libs/Common/commonfunc.cpp:878: error: undefined reference to 'cp_bgn_enc1'
./../../SCF/libs/Common/commonfunc.cpp:879: error: undefined reference to 'cp_bgn_enc2'
./../../SCF/libs/Common/commonfunc.cpp:883: error: undefined reference to 'cp_bgn_enc1'
./../../SCF/libs/Common/commonfunc.cpp:884: error: undefined reference to 'cp_bgn_enc2'
./../../SCF/libs/Common/commonfunc.cpp:904: error: undefined reference to 'cp_bgn_dec1'
./../../SCF/libs/Common/commonfunc.cpp:907: error: undefined reference to 'cp_bgn_dec2'
./../../SCF/libs/Common/commonfunc.cpp:1028: error: undefined reference to 'cp_bgn_enc1'
./../../SCF/libs/Common/commonfunc.cpp:1029: error: undefined reference to 'cp_bgn_enc1'
./../../SCF/libs/Common/commonfunc.cpp:1032: error: undefined reference to 'cp_bgn_enc2'
./../../SCF/libs/Common/commonfunc.cpp:1033: error: undefined reference to 'cp_bgn_enc2'
./../../SCF/libs/Common/commonfunc.cpp:1034: error: undefined reference to 'cp_bgn_mul'
./../../SCF/libs/Common/commonfunc.cpp:1035: error: undefined reference to 'cp_bgn_mul'
./../../SCF/libs/Common/commonfunc.cpp:1036: error: undefined reference to 'cp_bgn_mul'
./../../SCF/libs/Common/commonfunc.cpp:1050: error: undefined reference to 'cp_bgn_mul'
./../../SCF/libs/Common/commonfunc.cpp:1094: error: undefined reference to 'cp_bgn_add'
./../../SCF/libs/Common/commonfunc.cpp:1097: error: undefined reference to 'cp_bgn_add'
./../../SCF/libs/Common/commonfunc.cpp:1100: error: undefined reference to 'cp_bgn_add'
./../../SCF/libs/Common/commonfunc.cpp:1106: error: undefined reference to 'cp_bgn_add'
./../../SCF/libs/Common/commonfunc.cpp:1219: error: undefined reference to 'cp_bgn_dec'
./../../SCF/libs/Common/commonfunc.cpp:1245: error: undefined reference to 'cp_bgn_dec'
./../../SCF/libs/Common/commonfunc.cpp:1247: error: undefined reference to 'cp_bgn_dec'
./../../SCF/libs/Common/commonfunc.cpp:1253: error: undefined reference to 'cp_bgn_dec'
The module Cryptographic protocols is required. The parameter CP is required in the definition of WITH.
Instead of using
-DWITH="DV;BN;MD;FP;EP;FPX;EPX;PP;PC"
-DWITH="DV;BN;MD;FP;EP;FPX;EPX;PP;PC;CP" is required
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dfaranha
commented on August 18, 2024
True, I now modified the official present to include the CP module. :)
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