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make-prc-key: Update deprecated API use for OpenSSL v3

This commit is contained in:
rdb 2025-10-15 11:42:10 +02:00
parent f40e611eed
commit 5f9bb65505
1 changed files with 51 additions and 0 deletions
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51
dtool/src/prckeys/makePrcKey.cxx
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@ -114,6 +114,56 @@ output_c_string(std::ostream &out, const string &string_name,
*/
EVP_PKEY *
generate_key() {
#if OPENSSL_VERSION_MAJOR >= 3
EVP_PKEY_CTX *ctx = EVP_PKEY_CTX_new_id(EVP_PKEY_RSA, nullptr);
if (ctx == nullptr) {
EVP_PKEY_CTX_free(ctx);
output_ssl_errors();
exit(1);
}
if (EVP_PKEY_keygen_init(ctx) <= 0 ||
EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, 1024) <= 0) {
EVP_PKEY_CTX_free(ctx);
output_ssl_errors();
exit(1);
}
BIGNUM *e = BN_new();
if (e == nullptr || !BN_set_word(e, 7)) {
BN_free(e);
EVP_PKEY_CTX_free(ctx);
output_ssl_errors();
exit(1);
}
unsigned char *e_buf = nullptr;
int e_len = BN_num_bytes(e);
e_buf = (unsigned char *)OPENSSL_malloc(e_len);
BN_bn2bin(e, e_buf);
size_t bits = 1024;
OSSL_PARAM params[] = {
OSSL_PARAM_construct_size_t("bits", &bits),
OSSL_PARAM_construct_BN("e", e_buf, e_len),
OSSL_PARAM_END
};
EVP_PKEY *pkey = nullptr;
if (EVP_PKEY_CTX_set_params(ctx, params) <= 0 ||
EVP_PKEY_generate(ctx, &pkey) <= 0) {
OPENSSL_free(e_buf);
BN_free(e);
EVP_PKEY_CTX_free(ctx);
output_ssl_errors();
exit(1);
}
OPENSSL_free(e_buf);
BN_free(e);
EVP_PKEY_CTX_free(ctx);
return pkey;
#else
RSA *rsa = RSA_new();
BIGNUM *e = BN_new();
if (rsa == nullptr || e == nullptr) {
@ -134,6 +184,7 @@ generate_key() {
EVP_PKEY *pkey = EVP_PKEY_new();
EVP_PKEY_assign_RSA(pkey, rsa);
return pkey;
#endif
}
/**