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-rw-r--r--lib/crypto/c_src/evp.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/lib/crypto/c_src/evp.c b/lib/crypto/c_src/evp.c
index 3bf66bfffe..fb6495a640 100644
--- a/lib/crypto/c_src/evp.c
+++ b/lib/crypto/c_src/evp.c
@@ -106,25 +106,34 @@ ERL_NIF_TERM evp_generate_key_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM a
EVP_PKEY_CTX *ctx = NULL;
EVP_PKEY *pkey = NULL;
ERL_NIF_TERM ret_pub, ret_prv, ret;
+ ErlNifBinary prv_key;
size_t key_len;
unsigned char *out_pub = NULL, *out_priv = NULL;
- ASSERT(argc == 1);
-
if (argv[0] == atom_x25519)
type = EVP_PKEY_X25519;
else if (argv[0] == atom_x448)
type = EVP_PKEY_X448;
+ else if (argv[0] == atom_ed25519)
+ type = EVP_PKEY_ED25519;
+ else if (argv[0] == atom_ed448)
+ type = EVP_PKEY_ED448;
else
goto bad_arg;
- if ((ctx = EVP_PKEY_CTX_new_id(type, NULL)) == NULL)
- goto bad_arg;
-
- if (EVP_PKEY_keygen_init(ctx) != 1)
- goto err;
- if (EVP_PKEY_keygen(ctx, &pkey) != 1)
- goto err;
+ if (argv[1] == atom_undefined) {
+ if ((ctx = EVP_PKEY_CTX_new_id(type, NULL)) == NULL)
+ goto bad_arg;
+ if (EVP_PKEY_keygen_init(ctx) != 1)
+ goto err;
+ if (EVP_PKEY_keygen(ctx, &pkey) != 1)
+ goto err;
+ } else {
+ if (!enif_inspect_binary(env, argv[1], &prv_key))
+ goto bad_arg;
+ if ((pkey = EVP_PKEY_new_raw_private_key(type, NULL, prv_key.data, prv_key.size)) == NULL)
+ goto bad_arg;
+ }
if (EVP_PKEY_get_raw_public_key(pkey, NULL, &key_len) != 1)
goto err;