chacha

Sample code for using package chacha20poly1305 with benchmarks.

encrypt package

Encrypter is a simple utility type using the package that provides the following features:

• Protects against double encryption / decrypting unencrypted values
• Generates 24-byte nonce values per encryption
• Supports a simple mechanism for switching cipher keys

Benchmarks

The benchmarks compare encrypting struct values serialized with JSON and Protobuf.

User struct with short values

Function	Executions	Time
BenchmarkRegularJSONEncrypt-8	1000000	2070 ns/op
BenchmarkRegularJSONDecrypt-8	300000	3370 ns/op
BenchmarkRegularProtobufEncrypt-8	1000000	1418 ns/op
BenchmarkRegularProtobufDecrypt-8	2000000	722 ns/op

User struct with long values

Function	Executions	Time
BenchmarkBigJSONEncrypt-8	300000	4345 ns/op
BenchmarkBigJSONDecrypt-8	200000	10114 ns/op
BenchmarkBigProtobufEncrypt-8	500000	3094 ns/op
BenchmarkBigProtobufDecrypt-8	500000	2350 ns/op