Examine MAM request size under the encryption mechanism

[howjmay]

We have planned to build another safe channel above MAM communication. We should examine the size of the request and even the efficiency

The workflow is here

[howjmay]

With this golang testing program, we got a string plaintext in 8 bytes

Signature: 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
Ciphertext: 00000000000000000000000000000000b6d53547a83a9a86a7e745abca5b7ed4

Signature length: 256 bytes
Ciphertext length: 32 bytes
Elapsing Time: 112.044444ms

[howjmay]

It is about 15ms with the implementation of Noise framework

[howjmay]

Testing environment

processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 142
model name : Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz
stepping : 12
microcode : 0xca
cpu MHz : 700.017
cache size : 6144 KB
physical id : 0
siblings : 8
core id : 1
cpu cores : 4
apicid : 2
initial apicid : 2
fpu : yes
fpu_exception : yes
cpuid level : 22
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 ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single ssbd ibrs ibpb stibp ibrs_enhanced tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d arch_capabilities
bugs : spectre_v1 spectre_v2 spec_store_bypass swapgs itlb_multihit
bogomips : 3600.00
clflush size : 64
cache_alignment : 64
address sizes : 39 bits physical, 48 bits virtual
power management:

[howjmay]

Time Distribution

Step Elapsing Time (generate AES key): 12.465µs
Step Elapsing Time (encrypt message with AES): 10.885µs
Step Elapsing Time (hash with HMAC): 18.9µs
Step Elapsing Time (sign MAC): 87.106517ms
Total: 87.139806ms