int gost_grasshopper_cipher_cleanup(EVP_CIPHER_CTX* ctx) {
gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_get_cipher_data(ctx);
int gost_grasshopper_cipher_cleanup(EVP_CIPHER_CTX* ctx) {
gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_get_cipher_data(ctx);