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29 lines
1.1 KiB
Markdown
29 lines
1.1 KiB
Markdown
# aes12
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This package modifies the AES-GCM implementation from Go's standard library to use 12 byte tag sizes. It is not intended for a general audience, and used in [quic-go](https://github.com/lucas-clemente/quic-go).
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To make use of the in-place encryption / decryption feature, the `dst` parameter to `Seal` and `Open` should be 16 bytes longer than plaintext, not 12.
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Command for testing:
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```
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go test . --bench=. && GOARCH=386 go test . --bench=.
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```
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The output (on my machine):
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```
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BenchmarkAESGCMSeal1K-8 3000000 467 ns/op 2192.37 MB/s
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BenchmarkAESGCMOpen1K-8 3000000 416 ns/op 2456.72 MB/s
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BenchmarkAESGCMSeal8K-8 500000 2742 ns/op 2986.53 MB/s
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BenchmarkAESGCMOpen8K-8 500000 2791 ns/op 2934.65 MB/s
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PASS
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ok github.com/lucas-clemente/aes12 6.383s
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BenchmarkAESGCMSeal1K-8 50000 35233 ns/op 29.06 MB/s
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BenchmarkAESGCMOpen1K-8 50000 34529 ns/op 29.66 MB/s
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BenchmarkAESGCMSeal8K-8 5000 262678 ns/op 31.19 MB/s
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BenchmarkAESGCMOpen8K-8 5000 267296 ns/op 30.65 MB/s
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PASS
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ok github.com/lucas-clemente/aes12 6.972s
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```
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