cryptodev man page on FreeBSD

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CRYPTO(4)		 BSD Kernel Interfaces Manual		     CRYPTO(4)

NAME
     crypto, cryptodev — hardware crypto access driver

SYNOPSIS
     device crypto
     device cryptodev

DESCRIPTION
     The crypto driver provides a device-independent framework to support
     cryptographic operations in the kernel.  The cryptodev driver provides
     userland applications access to this support through the /dev/crypto
     device.  This node primarily operates in an ioctl(2) based model, permit‐
     ting a variety of applications to query device capabilities, submit
     transactions, and get results.

     If count given in the specification, and is greater than 0, a maximum of
     one crypto device is created.

     The following ioctl(2) calls apply only to the crypto devices:

     CIOCGSESSION  Setup a new crypto session for a new type of operation.

     CIOCFSESSION  Free a previously established session.

     CIOCCRYPT	   Perform a crypto operation against a previously setup ses‐
		   sion.

FEATURES
     Depending on hardware being present, the following symmetric and asymmet‐
     ric cryptographic features are potentially available from /dev/crypto:

	   CRYPTO_DES_CBC
	   CRYPTO_3DES_CBC
	   CRYPTO_BLF_CBC
	   CRYPTO_CAMELLIA_CBC
	   CRYPTO_CAST_CBC
	   CRYPTO_SKIPJACK_CBC
	   CRYPTO_MD5_HMAC
	   CRYPTO_SHA1_HMAC
	   CRYPTO_RIPEMD160_HMAC
	   CRYPTO_MD5_KPDK
	   CRYPTO_SHA1_KPDK
	   CRYPTO_AES_CBC
	   CRYPTO_ARC4
	   CRYPTO_MD5
	   CRYPTO_SHA1
	   CRK_MOD_EXP
	   CRK_MOD_EXP_CRT
	   CRK_DSA_SIGN
	   CRK_DSA_VERIFY
	   CRK_DH_COMPUTE_KEY

FILES
     /dev/crypto  crypto access device

SEE ALSO
     aesni(4), glxsb(4), hifn(4), ipsec(4), padlock(4), safe(4), ubsec(4),
     geli(8), crypto(9)

HISTORY
     The crypto driver first appeared in OpenBSD 3.0.  The crypto driver was
     imported to FreeBSD 5.0.

BSD			       September 7, 2010			   BSD
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