krb5_nfold
void krb5_nfold(u32 inbits, const u8 *in, u32 outbits, u8 *out);
EXPORT_SYMBOL_IF_KUNIT(krb5_nfold);
krb5_nfold(in_constant->len * 8, in_constant->data,
krb5_nfold(param->plaintext->len * 8, param->plaintext->data,