diff options
| author | Dimitri John Ledkov <dimitri.ledkov@canonical.com> | 2023-10-22 19:22:07 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2023-10-27 18:04:30 +0800 |
| commit | 446b1e0b7b39e2bf2187c58ba2a1cc60fb01de8b (patch) | |
| tree | 6ff601d59b32426b47d7927d3498998b8809311c | |
| parent | fdb4f66c9545f29742be5a8d325798e6016c3c4e (diff) | |
module: enable automatic module signing with FIPS 202 SHA-3
Add Kconfig options to use SHA-3 for kernel module signing. 256 size
for RSA only, and higher sizes for RSA and NIST P-384.
Signed-off-by: Dimitri John Ledkov <dimitri.ledkov@canonical.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | certs/Kconfig | 2 | ||||
| -rw-r--r-- | kernel/module/Kconfig | 15 |
2 files changed, 16 insertions, 1 deletions
diff --git a/certs/Kconfig b/certs/Kconfig index 84582de66b7d..69d192a32dda 100644 --- a/certs/Kconfig +++ b/certs/Kconfig @@ -30,7 +30,7 @@ config MODULE_SIG_KEY_TYPE_RSA config MODULE_SIG_KEY_TYPE_ECDSA bool "ECDSA" select CRYPTO_ECDSA - depends on MODULE_SIG_SHA384 || MODULE_SIG_SHA512 + depends on !(MODULE_SIG_SHA256 || MODULE_SIG_SHA3_256) help Use an elliptic curve key (NIST P384) for module signing. Use a strong hash of same or higher bit length, i.e. sha384 or diff --git a/kernel/module/Kconfig b/kernel/module/Kconfig index 9d7d45525fc4..0ea1b2970a23 100644 --- a/kernel/module/Kconfig +++ b/kernel/module/Kconfig @@ -248,6 +248,18 @@ config MODULE_SIG_SHA512 bool "Sign modules with SHA-512" select CRYPTO_SHA512 +config MODULE_SIG_SHA3_256 + bool "Sign modules with SHA3-256" + select CRYPTO_SHA3 + +config MODULE_SIG_SHA3_384 + bool "Sign modules with SHA3-384" + select CRYPTO_SHA3 + +config MODULE_SIG_SHA3_512 + bool "Sign modules with SHA3-512" + select CRYPTO_SHA3 + endchoice config MODULE_SIG_HASH @@ -256,6 +268,9 @@ config MODULE_SIG_HASH default "sha256" if MODULE_SIG_SHA256 default "sha384" if MODULE_SIG_SHA384 default "sha512" if MODULE_SIG_SHA512 + default "sha3-256" if MODULE_SIG_SHA3_256 + default "sha3-384" if MODULE_SIG_SHA3_384 + default "sha3-512" if MODULE_SIG_SHA3_512 choice prompt "Module compression mode" |