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Wire ML-DSA into the crypto backend #2342

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Merged
michelle-clayton-work merged 3 commits into from
Jun 8, 2026
+1,465 −472
Merged

Wire ML-DSA into the crypto backend #2342

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6465bae
Bump go-crypto-{darwin,openssl,winnative} to latest
michelle-clayton-work Jun 5, 2026
b348d6d
Wire ML-DSA into the crypto backend
michelle-clayton-work Jun 5, 2026
6e3c125
Store ML-DSA backend keys by pointer to fix allocation test
michelle-clayton-work Jun 8, 2026
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35 changes: 34 additions & 1 deletion eng/_util/cmd/updatecryptodocs/docs.go
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Original file line number Diff line number Diff line change
Expand Up @@ -266,7 +266,7 @@ var doc = Document{
},
{
Title: "Asymmetric encryption",
Packages: []string{"RSA", "ECDSA", "ECDH", "Ed25519", "DSA"},
Packages: []string{"RSA", "ECDSA", "ECDH", "Ed25519", "ML-DSA", "DSA"},
Description: "",
Subsections: []Section{
{
Expand Down Expand Up @@ -486,6 +486,39 @@ var doc = Document{
},
},
},
{
Title: "ML-DSA",
ColumnHeader: "Parameters",
Packages: []string{"crypto/mldsa"},
MinGoVersion: "1.27",
Description: "Operations that require random numbers (rand io.Reader) only support [rand.Reader](https://pkg.go.dev/crypto/rand#Reader). Deterministic signing is always performed by the Go cryptographic module. External-mu signing falls back to the Go cryptographic module on platforms whose backend does not implement it (currently macOS).",
Items: []Item{
{
Name: "44",
Platforms: Platforms{
Windows: PlatformStatus{MinVersion: "11 (24H2)"},
Linux: PlatformStatus{MinVersion: "3.5.0"},
MacOS: PlatformStatus{Supported: NotSupported},
},
},
{
Name: "65",
Platforms: Platforms{
Windows: PlatformStatus{MinVersion: "11 (24H2)"},
Linux: PlatformStatus{MinVersion: "3.5.0"},
MacOS: PlatformStatus{MinVersion: "26"},
},
},
{
Name: "87",
Platforms: Platforms{
Windows: PlatformStatus{MinVersion: "11 (24H2)"},
Linux: PlatformStatus{MinVersion: "3.5.0"},
MacOS: PlatformStatus{MinVersion: "26"},
},
},
},
},
{
Title: "DSA",
ColumnHeader: "Parameters",
Expand Down
23 changes: 23 additions & 0 deletions eng/doc/CrossPlatformCryptography.md
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,7 @@ This section includes the following subsections:
- [ECDSA](#ecdsa)
- [ECDH](#ecdh)
- [Ed25519](#ed25519)
- [ML-DSA](#ml-dsa)
- [DSA](#dsa)

### RSA
Expand Down Expand Up @@ -234,6 +235,28 @@ Operations that require random numbers (rand io.Reader) only support [rand.Reade
| Ed25519ctx | ❌️ | ❌️ | ❌️ |
| Ed25519ph | ❌️ | ❌️ | ❌️ |

### ML-DSA

This section includes the following packages:

- [crypto/mldsa](https://pkg.go.dev/crypto/mldsa)

ML-DSA is available starting from the Microsoft build of Go 1.27.

Operations that require random numbers (rand io.Reader) only support [rand.Reader](https://pkg.go.dev/crypto/rand#Reader). Deterministic signing is always performed by the Go cryptographic module. External-mu signing falls back to the Go cryptographic module on platforms whose backend does not implement it (currently macOS).

| Parameters | Windows | Linux | macOS |
| ---------- | -------------- | -------------- | -------------- |
| 44 | ✔️<sup>1</sup> | ✔️<sup>2</sup> | ❌️ |
| 65 | ✔️<sup>1</sup> | ✔️<sup>2</sup> | ✔️<sup>3</sup> |
| 87 | ✔️<sup>1</sup> | ✔️<sup>2</sup> | ✔️<sup>3</sup> |

<sup>1</sup>Requires Windows 11 (24H2) or later.

<sup>2</sup>Requires OpenSSL 3.5.0 or later.

<sup>3</sup>Requires macOS 26 or later.

### DSA

| Parameters | Windows | Linux | macOS |
Expand Down
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