EVP_CTRL_GCM_SET_IV_INV
case EVP_CTRL_GCM_SET_IV_INV:
if (EVP_CIPHER_CTX_ctrl(ctx, enc ? EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
case EVP_CTRL_GCM_SET_IV_INV:
EVP_CIPHER_CTX_is_encrypting(ctx) ? EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
case EVP_CTRL_GCM_SET_IV_INV:
if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CIPHER_CTX_is_encrypting(ctx) ? EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
case EVP_CTRL_GCM_SET_IV_INV: