Updated system parameters to use SHA-256
Merge branch 'demo' into sha256_demo
Also adjust l_e and l_v to meet the constraints
Merge branch 'sha256' into sha256_demo
Add transparent border to RU logo (for Android).
Add Albron verifier.
Merge branch 'master' into sha256
Merge branch 'sha256' into sha256_demo
Merge branch 'sha256_demo' into demo