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	static int			static int
	padlock_authcompute(struct padlock_session ses, struct cryptop crp)			padlock_authcompute(struct padlock_session ses, struct cryptop crp)
	{			{
	u_char hash[HASH_MAX_LEN], hash2[HASH_MAX_LEN];			u_char hash[HASH_MAX_LEN], hash2[HASH_MAX_LEN];
	const struct auth_hash *axf;			const struct auth_hash *axf;
	union authctx ctx;			union authctx ctx;
	int error;			int error;

				if (crp->crp_op & CRYPTO_OP_SKIP_DIGEST)
				return (0);

	axf = ses->ses_axf;			axf = ses->ses_axf;

	padlock_copy_ctx(axf, ses->ses_ictx, &ctx);			padlock_copy_ctx(axf, ses->ses_ictx, &ctx);
	error = crypto_apply(crp, crp->crp_aad_start, crp->crp_aad_length,			error = crypto_apply(crp, crp->crp_aad_start, crp->crp_aad_length,
	axf->Update, &ctx);			axf->Update, &ctx);
	if (error != 0) {			if (error != 0) {
	padlock_free_ctx(axf, &ctx);			padlock_free_ctx(axf, &ctx);
	return (error);			return (error);
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