BN_bin2bn BN_CTX_get BN_CTX_new BN_new calloc cbor_array_handle cbor_build_bytestring cbor_build_string cbor_build_uint8 cbor_load cbor_map_add cbor_map_handle cbor_new_definite_map cbor_serialize_alloc EC_KEY_get0_group EC_KEY_new_by_curve_name EC_POINT_new EVP_CIPHER_CTX_new EVP_CIPHER_CTX_set_padding EVP_DecryptInit_ex EVP_DecryptUpdate EVP_DigestVerifyInit EVP_EncryptInit_ex EVP_EncryptUpdate EVP_MD_CTX_new EVP_PKEY_assign EVP_PKEY_CTX_new EVP_PKEY_derive_init EVP_PKEY_derive_set_peer EVP_PKEY_get0_RSA EVP_PKEY_new EVP_PKEY_new_raw_public_key EVP_sha256 fido_tx HMAC HMAC_CTX_new HMAC_Final HMAC_Init_ex HMAC_Update malloc RSA_set0_key SHA256 SHA256_Final SHA256_Init SHA256_Update strdup usleep