Differential D24906 Diff 72119 head/share/man/man7/crypto.7

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head/share/man/man7/crypto.7

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	.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)			.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT			.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY			.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF			.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	.\" SUCH DAMAGE.			.\" SUCH DAMAGE.
	.\"			.\"
	.\" $FreeBSD$			.\" $FreeBSD$
	.\"			.\"
	.Dd May 3, 2020			.Dd May 22, 2020
	.Dt CRYPTO 7			.Dt CRYPTO 7
	.Os			.Os
	.Sh NAME			.Sh NAME
	.Nm crypto			.Nm crypto
	.Nd OpenCrypto algorithms			.Nd OpenCrypto algorithms
	.Sh SYNOPSIS			.Sh SYNOPSIS
	In the kernel configuration file:			In the kernel configuration file:
	.Cd "device crypto"			.Cd "device crypto"
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	specified in the request.			specified in the request.
	.Pp			.Pp
	Note: You must provide an IV on every call.			Note: You must provide an IV on every call.
	.It Dv CRYPTO_AES_ICM			.It Dv CRYPTO_AES_ICM
	.Bl -tag -width "Block size :" -compact -offset indent			.Bl -tag -width "Block size :" -compact -offset indent
	.It IV size :			.It IV size :
	16			16
	.It Block size :			.It Block size :
	1 (aesni), 16 (software)			1
	.It Key size :			.It Key size :
	16, 24 or 32			16, 24 or 32
	.El			.El
	.Pp			.Pp
	This algorithm implements Integer Counter Mode.			This algorithm implements Integer Counter Mode.
	This is similar to what most people call counter mode, but instead of the			This is similar to what most people call counter mode, but instead of the
	counter being split into a nonce and a counter part, then entire nonce is			counter being split into a nonce and a counter part, then entire nonce is
	used as the initial counter.			used as the initial counter.
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