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| author | Filippo Valsorda <filippo@golang.org> | 2025-12-09 00:39:54 +0100 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2025-12-10 13:45:57 -0800 |
| commit | c39fe18fea16d6bdbd5526a7b7d7b59e84ae0144 (patch) | |
| tree | dfc8c5d009b481f0bed3311ced997fdbfa5c9573 /src/crypto | |
| parent | db0ab834d67131676ab2001ab8e72b197b22ce54 (diff) | |
| download | go-c39fe18fea16d6bdbd5526a7b7d7b59e84ae0144.tar.xz | |
crypto/mlkem/mlkemtest: error out in fips140=only mode
Updates #70514
Change-Id: I1d1a0b4a2c7ee4cb6e8e0700dd3463a46a6a6964
Reviewed-on: https://go-review.googlesource.com/c/go/+/728502
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Roland Shoemaker <roland@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Diffstat (limited to 'src/crypto')
| -rw-r--r-- | src/crypto/mlkem/mlkemtest/mlkemtest.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/crypto/mlkem/mlkemtest/mlkemtest.go b/src/crypto/mlkem/mlkemtest/mlkemtest.go index 39e3994ea9..40f64862bd 100644 --- a/src/crypto/mlkem/mlkemtest/mlkemtest.go +++ b/src/crypto/mlkem/mlkemtest/mlkemtest.go @@ -7,6 +7,7 @@ package mlkemtest import ( fips140mlkem "crypto/internal/fips140/mlkem" + "crypto/internal/fips140only" "crypto/mlkem" "errors" ) @@ -20,6 +21,9 @@ func Encapsulate768(ek *mlkem.EncapsulationKey768, random []byte) (sharedKey, ci if len(random) != 32 { return nil, nil, errors.New("mlkemtest: Encapsulate768: random must be 32 bytes") } + if fips140only.Enforced() { + return nil, nil, errors.New("crypto/mlkem/mlkemtest: use of derandomized encapsulation is not allowed in FIPS 140-only mode") + } k, err := fips140mlkem.NewEncapsulationKey768(ek.Bytes()) if err != nil { return nil, nil, errors.New("mlkemtest: Encapsulate768: failed to reconstruct key: " + err.Error()) @@ -37,6 +41,9 @@ func Encapsulate1024(ek *mlkem.EncapsulationKey1024, random []byte) (sharedKey, if len(random) != 32 { return nil, nil, errors.New("mlkemtest: Encapsulate1024: random must be 32 bytes") } + if fips140only.Enforced() { + return nil, nil, errors.New("crypto/mlkem/mlkemtest: use of derandomized encapsulation is not allowed in FIPS 140-only mode") + } k, err := fips140mlkem.NewEncapsulationKey1024(ek.Bytes()) if err != nil { return nil, nil, errors.New("mlkemtest: Encapsulate1024: failed to reconstruct key: " + err.Error()) |