[botan-devel] fpe

carl clemens carlclemens1 at yahoo.com
Thu Apr 5 14:37:21 EDT 2012

I'm having difficulty with the fpe example: - I don't pretend to understand anything.

Any ideas would be appreciated.


a.out 1 myaccount mypassword
Input was: 1 0
Encrypted: 1999717643319023 1
Decrypted: 0 1
Something went wrong :( Bad CC checksum?

OpenSuse 11.3

$ cat /proc/cpuinfo 
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 23
model name      : Intel(R) Xeon(R) CPU           E5503  @ 2.00GHz
stepping        : 6
cpu MHz         : 1995.000
cache size      : 4096 KB
fpu             : yes
fpu_exception   : yes
cpuid level     : 11
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss syscall lm constant_tsc arch_perfmon pebs bts rep_good xtopology tsc_reliable nonstop_tsc aperfmperf pni ssse3 cx16 sse4_1 hypervisor lahf_lm
bogomips        : 3990.00
clflush size    : 64
cache_alignment : 64
address sizes   : 40 bits physical, 48 bits virtual
power management:

$ g++ -v
Using built-in specs.
Target: x86_64-suse-linux
Configured with: ../configure --prefix=/usr --infodir=/usr/share/info --mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64 --enable-languages=c,c++,objc,fortran,obj-c++,java,ada --enable-checking=release --with-gxx-include-dir=/usr/include/c++/4.5 --enable-ssp --disable-libssp --disable-plugin --with-bugurl=http://bugs.opensuse.org/ --with-pkgversion='SUSE Linux' --disable-libgcj --disable-libmudflap --with-slibdir=/lib64 --with-system-zlib --enable-__cxa_atexit --enable-libstdcxx-allocator=new --disable-libstdcxx-pch --enable-version-specific-runtime-libs --program-suffix=-4.5 --enable-linux-futex --without-system-libunwind --enable-gold --with-plugin-ld=/usr/bin/gold --with-arch-32=i586 --with-tune=generic --build=x86_64-suse-linux
Thread model: posix
gcc version 4.5.0 20100604 [gcc-4_5-branch revision 160292] (SUSE Linux) 


INFO: Guessing target OS is linux (use --os to set)
   INFO: Guessing to use compiler gcc (use --cc to set)
   INFO: Guessing target processor is a x86_64/x86_64 (use --cpu to set)
   INFO: Target is gcc-linux-x86_64-x86_64
   INFO: Detected gcc version 4.5
   INFO: Assuming gcc has TR1 (use --with-tr1=none to disable)
   INFO: Skipping, by request only - bzip2 cms cvc gnump openssl qt_mutex zlib
   INFO: Skipping, incompatible CPU - aes_ni aes_ssse3 asm_x86_32 md4_x86_32 md5_x86_32 mp_asm64 mp_x86_32 serpent_x86_32 sha1_x86_32 simd_altivec
   INFO: Skipping, incompatible OS - beos_stats cryptoapi_rng win32_crit_section win32_stats
   INFO: Skipping, incompatible compiler - mp_msvc64 mp_x86_32_msvc
   INFO: Skipping, loaded only if needed by dependency - aes_isa_eng mp_generic simd_scalar
   INFO: Using MP module mp_x86_64
   INFO: Using SIMD module simd_sse2
   INFO: ssl: The SSL/TLS code is complex, new, and not yet reviewed, there may be serious bugs or security issues.
   INFO: Assuming CPU is little endian
   INFO: Assuming unaligned memory access works
   INFO: Using symlink to link files into build directory
   INFO: Botan 1.10.1 build setup is complete
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