Files
nebula/noiseutil/notboring.go
T
Wade Simmons 9c5d701648 Support native Golang "fips140" mode (#1696)
Add support for the "fips140" mode of Go:

- https://go.dev/doc/security/fips140
- https://csrc.nist.gov/projects/cryptographic-module-validation-program/certificate/5247

You can build with `make fips140`, see the README changes for more info.

Some differences from the boringcrypto builds:

- We switch to using `go:linkname crypto/tls.aeadAESGCMTLS13`, which gives us the fips implementation for both `boringcrypto` and `fips140` modes. This means we also no longer need `-checklinkname=0`
- Go native `fips140` doesn't need CGO_ENABLED=1
- We decide if we should use the fips140 GCM at runtime, if `fips140.Enabled()` is true. If you use the `make release-fips140`, we build with build tag `fips140enforce` which ensures the binary is running with fips140 enabled and that only P256 / AES-GCM is being used. If you don't want this enforce mode, you can build without the build tag.
2026-08-21 19:33:40 -04:00

26 lines
419 B
Go

//go:build !boringcrypto
package noiseutil
import (
"crypto/fips140"
"github.com/flynn/noise"
)
// EncryptLockNeeded indicates if calls to Encrypt need a lock
var EncryptLockNeeded = fips140.Enabled()
var CipherAESGCM noise.CipherFunc = initAESGCM()
func initAESGCM() noise.CipherFunc {
if fips140.Enabled() {
return CipherAESGCMFIPS140
} else {
return noise.CipherAESGCM
}
}
var boringEnabled = false