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| author | Hui Tang <tanghui20@huawei.com> | 2021-05-22 10:44:30 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2021-05-28 15:11:47 +0800 |
| commit | 8154132521e9cd6d28a7e9778c4ae23b716994bf (patch) | |
| tree | 66485e4329ff28fd900fa53cb2aaeab8d942fcc6 /crypto/ecdh.c | |
| parent | 8fd28fa5046b377039d5bbc0ab2f625dec703980 (diff) | |
| download | linux-8154132521e9cd6d28a7e9778c4ae23b716994bf.tar.bz2 | |
crypto: ecdh - register NIST P384 tfm
Add ecdh_nist_p384_init_tfm and register and unregister P384 tfm.
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/ecdh.c')
| -rw-r--r-- | crypto/ecdh.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/crypto/ecdh.c b/crypto/ecdh.c index b6f493e82812..c6f61c2211dc 100644 --- a/crypto/ecdh.c +++ b/crypto/ecdh.c @@ -173,6 +173,31 @@ static struct kpp_alg ecdh_nist_p256 = { }, }; +static int ecdh_nist_p384_init_tfm(struct crypto_kpp *tfm) +{ + struct ecdh_ctx *ctx = ecdh_get_ctx(tfm); + + ctx->curve_id = ECC_CURVE_NIST_P384; + ctx->ndigits = ECC_CURVE_NIST_P384_DIGITS; + + return 0; +} + +static struct kpp_alg ecdh_nist_p384 = { + .set_secret = ecdh_set_secret, + .generate_public_key = ecdh_compute_value, + .compute_shared_secret = ecdh_compute_value, + .max_size = ecdh_max_size, + .init = ecdh_nist_p384_init_tfm, + .base = { + .cra_name = "ecdh-nist-p384", + .cra_driver_name = "ecdh-nist-p384-generic", + .cra_priority = 100, + .cra_module = THIS_MODULE, + .cra_ctxsize = sizeof(struct ecdh_ctx), + }, +}; + static bool ecdh_nist_p192_registered; static int ecdh_init(void) @@ -187,8 +212,15 @@ static int ecdh_init(void) if (ret) goto nist_p256_error; + ret = crypto_register_kpp(&ecdh_nist_p384); + if (ret) + goto nist_p384_error; + return 0; +nist_p384_error: + crypto_unregister_kpp(&ecdh_nist_p256); + nist_p256_error: if (ecdh_nist_p192_registered) crypto_unregister_kpp(&ecdh_nist_p192); @@ -200,6 +232,7 @@ static void ecdh_exit(void) if (ecdh_nist_p192_registered) crypto_unregister_kpp(&ecdh_nist_p192); crypto_unregister_kpp(&ecdh_nist_p256); + crypto_unregister_kpp(&ecdh_nist_p384); } subsys_initcall(ecdh_init); |