diff options
Diffstat (limited to 'crypto/ecdh.c')
-rw-r--r-- | crypto/ecdh.c | 49 |
1 files changed, 46 insertions, 3 deletions
diff --git a/crypto/ecdh.c b/crypto/ecdh.c index 04a427b8c956..c6f61c2211dc 100644 --- a/crypto/ecdh.c +++ b/crypto/ecdh.c @@ -141,7 +141,7 @@ static struct kpp_alg ecdh_nist_p192 = { .init = ecdh_nist_p192_init_tfm, .base = { .cra_name = "ecdh-nist-p192", - .cra_driver_name = "ecdh-generic", + .cra_driver_name = "ecdh-nist-p192-generic", .cra_priority = 100, .cra_module = THIS_MODULE, .cra_ctxsize = sizeof(struct ecdh_ctx), @@ -166,7 +166,32 @@ static struct kpp_alg ecdh_nist_p256 = { .init = ecdh_nist_p256_init_tfm, .base = { .cra_name = "ecdh-nist-p256", - .cra_driver_name = "ecdh-generic", + .cra_driver_name = "ecdh-nist-p256-generic", + .cra_priority = 100, + .cra_module = THIS_MODULE, + .cra_ctxsize = sizeof(struct ecdh_ctx), + }, +}; + +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), @@ -179,10 +204,27 @@ static int ecdh_init(void) { int ret; + /* NIST p192 will fail to register in FIPS mode */ ret = crypto_register_kpp(&ecdh_nist_p192); ecdh_nist_p192_registered = ret == 0; - return crypto_register_kpp(&ecdh_nist_p256); + ret = crypto_register_kpp(&ecdh_nist_p256); + 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); + return ret; } static void ecdh_exit(void) @@ -190,6 +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); |