3 /*-
5  * Copyright (c) 2002-2006 Sam Leffler, Errno Consulting
25  * Copyright (c) 2014-2021 The FreeBSD Foundation
28  * Portions of this software were developed by John-Mark Gurney
60  * Materiel Command, USAF, under agreement number F30602-01-2-0537.
164 #define	CRYPTO_AES_CBC		11 /* 128 bit blocksize -- the same as above */
198 #define	CRYPTO_ALGORITHM_MAX	42	/* Keep updated - see below */
211 #define CRYPTO_FLAG_HARDWARE	0x01000000	/* hardware accelerated */
320 #define	CRYPTODEV_PROBE_HARDWARE	(-100)
321 #define	CRYPTODEV_PROBE_ACCEL_SOFTWARE	(-200)
322 #define	CRYPTODEV_PROBE_SOFTWARE	(-500)
340 #define	CSP_MODE_ETA		5	/* IPsec style encrypt-then-auth */
449 	uint8_t		crp_esn[4];	/* high-order ESN */
463 	const void	*crp_cipher_key; /* New cipher key if non-NULL. */
464 	const void	*crp_auth_key;	/* New auth key if non-NULL. */
484 	cb->cb_buf = buf;  in _crypto_use_buf()
485 	cb->cb_buf_len = len;  in _crypto_use_buf()
486 	cb->cb_type = CRYPTO_BUF_CONTIG;  in _crypto_use_buf()
492 	cb->cb_mbuf = m;  in _crypto_use_mbuf()
493 	cb->cb_type = CRYPTO_BUF_MBUF;  in _crypto_use_mbuf()
499 	cb->cb_mbuf = m;  in _crypto_use_single_mbuf()
500 	cb->cb_type = CRYPTO_BUF_SINGLE_MBUF;  in _crypto_use_single_mbuf()
507 	cb->cb_vm_page = pages;  in _crypto_use_vmpage()
508 	cb->cb_vm_page_len = len;  in _crypto_use_vmpage()
509 	cb->cb_vm_page_offset = offset;  in _crypto_use_vmpage()
510 	cb->cb_type = CRYPTO_BUF_VMPAGE;  in _crypto_use_vmpage()
516 	cb->cb_uio = uio;  in _crypto_use_uio()
517 	cb->cb_type = CRYPTO_BUF_UIO;  in _crypto_use_uio()
523 	_crypto_use_buf(&crp->crp_buf, buf, len);  in crypto_use_buf()
529 	_crypto_use_mbuf(&crp->crp_buf, m);  in crypto_use_mbuf()
535 	_crypto_use_single_mbuf(&crp->crp_buf, m);  in crypto_use_single_mbuf()
541 	_crypto_use_vmpage(&crp->crp_buf, pages, len, offset);  in crypto_use_vmpage()
547 	_crypto_use_uio(&crp->crp_buf, uio);  in crypto_use_uio()
553 	_crypto_use_buf(&crp->crp_obuf, buf, len);  in crypto_use_output_buf()
559 	_crypto_use_mbuf(&crp->crp_obuf, m);  in crypto_use_output_mbuf()
565 	_crypto_use_single_mbuf(&crp->crp_obuf, m);  in crypto_use_output_single_mbuf()
572 	_crypto_use_vmpage(&crp->crp_obuf, pages, len, offset);  in crypto_use_output_vmpage()
578 	_crypto_use_uio(&crp->crp_obuf, uio);  in crypto_use_output_uio()
582 	((crp)->crp_obuf.cb_type != CRYPTO_BUF_NONE)
641 extern	int crypto_devallowsoft;	/* only use hardware crypto */
656  * Crypto-related utility routines used mainly by drivers.
699 	csp = crypto_get_params(crp->crp_session);  in crypto_read_iv()
700 	if (crp->crp_flags & CRYPTO_F_IV_SEPARATE)  in crypto_read_iv()
701 		memcpy(iv, crp->crp_iv, csp->csp_ivlen);  in crypto_read_iv()
703 		crypto_copydata(crp, crp->crp_iv_start, csp->csp_ivlen, iv);  in crypto_read_iv()
710 	const u_int L = 15 - csp->csp_ivlen;  in ccm_max_payload_length()