From 76a91fca2fc7dd5975e8ff0e6695f27c98539dba Mon Sep 17 00:00:00 2001 From: hrxi Date: Fri, 24 Nov 2023 20:53:50 +0100 Subject: Add support for OpenSSL Uses work by @hrxi in https://github.com/dino/dino/pull/1515 Co-Authored-By: hrxi --- plugins/ice/src/openssl_utils.c | 49 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 plugins/ice/src/openssl_utils.c (limited to 'plugins/ice/src/openssl_utils.c') diff --git a/plugins/ice/src/openssl_utils.c b/plugins/ice/src/openssl_utils.c new file mode 100644 index 00000000..7f4bf331 --- /dev/null +++ b/plugins/ice/src/openssl_utils.c @@ -0,0 +1,49 @@ +#include "openssl_utils.h" +#include +#include + +#if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x30000000L +// This is for OpenSSL 3.0.0 and newer + +EVP_PKEY *EVP_PKEY_new_generate_ecdsa (const char* curve) { + // Generate EVP_PKEY directly + EVP_PKEY *pkey = EVP_EC_gen (curve); + return pkey; +} + +#else +// This is for OpenSSL before 3.0.0 and forks of earlier OpenSSL versions like LibreSSL + +EVP_PKEY *EVP_PKEY_new_generate_ecdsa (const char* curve) { + // Get NID from curve name + int nid = OBJ_sn2nid (curve); + if (nid == NID_undef) return NULL; + + // Create EC_KEY + EC_KEY *ec_key = EC_KEY_new_by_curve_name (nid); + if (!ec_key) return NULL; + + // Generate key + if (!EC_KEY_generate_key (ec_key)) { + EC_KEY_free (ec_key); + return NULL; + } + + // Create EVP_PKEY + EVP_PKEY *pkey = EVP_PKEY_new (); + if (!pkey) { + EC_KEY_free (ec_key); + return NULL; + } + + // Assign EC_KEY to EVP_PKEY + if (!EVP_PKEY_assign_EC_KEY (pkey, ec_key)) { + EC_KEY_free (ec_key); + return NULL; + } + + // EVP_PKEY_assign_EC_KEY takes ownership of ec_key, no need to free it explicitly + return pkey; +} + +#endif -- cgit v1.3