使用JWT的RSA256加密做为用户认证, 测试性能

http://www.giantflyingsaucer.com/blog/?p=5994

使用JWT的token认证，防止别人知道了接口后，随意调用，但是发现
stepping        : 4
microcode       : 0x428
cpu MHz         : 2600.062
cache size      : 20480 KB
physical id     : 0
siblings        : 1
core id         : 0
cpu cores       : 1
apicid          : 0
initial apicid  : 0
fpu             : yes
fpu_exception   : yes
cpuid level     : 13
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat clflush mmx fxsr sse sse2 ht syscall nx rdtscp lm constant_tsc rep_good nopl pni ssse3 cx16 sse4_1 sse4_2 popcnt aes hypervisor lahf_lm
bogomips        : 5200.12
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual

---

使用 go test -test.bench=".*" -v 命令测试，发现加密的挺耗时间的
goos: linux
goarch: amd64
pkg: github.com/KerryJava/goserver
Benchmark_TimeConsumingOrm                          5000            265224 ns/op
Benchmark_TimeConsumingOrm                          5000            248941 ns/op
Benchmark_TimeConsumingOrm                         10000            245728 ns/op
Benchmark_TimeConsumingOrm                          5000            268391 ns/op
Benchmark_TimeConsumingOrm                          5000            247001 ns/op
Benchmark_TimeConsumingFunctionRawQuery            10000            215219 ns/op
Benchmark_TimeConsumingFunctionRawQuery            10000            213085 ns/op
Benchmark_TimeConsumingFunctionRawQuery            10000            210200 ns/op
Benchmark_TimeConsumingFunctionRawQuery            10000            209737 ns/op
Benchmark_TimeConsumingFunctionRawQuery            10000            209695 ns/op
Benchmark_TimeConsumingFunctionRawQueryPrepare     20000             65998 ns/op
Benchmark_TimeConsumingFunctionRawQueryPrepare     20000             66214 ns/op
Benchmark_TimeConsumingFunctionRawQueryPrepare     20000             67460 ns/op
Benchmark_TimeConsumingFunctionRawQueryPrepare     20000             67988 ns/op
Benchmark_TimeConsumingFunctionRawQueryPrepare     20000             67424 ns/op
Benchmark_JWTRSA256Sign                              300           4128990 ns/op
Benchmark_JWTRSA256Sign                              300           4119935 ns/op
Benchmark_JWTRSA256Sign                              300           4175446 ns/op
Benchmark_JWTRSA256Sign                              300           4121553 ns/op
Benchmark_JWTRSA256Sign                              300           4137870 ns/op
Benchmark_JWTRSA256Decode                          10000            139202 ns/op
Benchmark_JWTRSA256Decode                          10000            138939 ns/op
Benchmark_JWTRSA256Decode                          10000            139415 ns/op
Benchmark_JWTRSA256Decode                          10000            139179 ns/op
Benchmark_JWTRSA256Decode                          10000            137128 ns/op
PASS
ok      github.com/KerryJava/goserver   43.983s