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_cryptodev.h
(197 B)
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cbc_mac.c
(8.18 KB)
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cbc_mac.h
(2.42 KB)
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criov.c
(17.72 KB)
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crypto.c
(58 KB)
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cryptodeflate.c
(6.69 KB)
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cryptodev.c
(37.81 KB)
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cryptodev.h
(22.74 KB)
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cryptodev_if.m
(6.13 KB)
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cryptosoft.c
(36.79 KB)
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deflate.h
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gfmult.c
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gfmult.h
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gmac.c
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gmac.h
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ktls_ocf.c
(19.71 KB)
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rmd160.c
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rmd160.h
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xform.c
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xform.h
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xform_aes_icm.c
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xform_aes_xts.c
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xform_auth.h
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xform_cbc_mac.c
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xform_cml.c
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xform_comp.h
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xform_deflate.c
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xform_enc.h
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xform_gmac.c
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xform_null.c
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xform_poly1305.c
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xform_poly1305.h
(397 B)
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xform_rijndael.c
(2.97 KB)
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xform_rmd160.c
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xform_sha1.c
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xform_sha2.c
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Editing: cryptodev_if.m
#- # Copyright (c) 2006, Sam Leffler # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # 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 # SUCH DAMAGE. # # $FreeBSD$ # #include <sys/malloc.h> #include <opencrypto/cryptodev.h> INTERFACE cryptodev; CODE { static int null_freesession(device_t dev, crypto_session_t crypto_session) { return 0; } }; /** * @brief Probe to see if a crypto driver supports a session. * * The crypto framework invokes this method on each crypto driver when * creating a session for symmetric crypto operations to determine if * the driver supports the algorithms and mode requested by the * session. * * If the driver does not support a session with the requested * parameters, this function should fail with an error. * * If the driver does support a session with the requested parameters, * this function should return a negative value indicating the * priority of this driver. These negative values should be derived * from one of the CRYPTODEV_PROBE_* constants in * <opencrypto/cryptodev.h>. * * This function's return value is similar to that used by * DEVICE_PROBE(9). However, a return value of zero is not supported * and should not be used. * * @param dev the crypto driver device * @param csp crypto session parameters * * @retval negative if the driver supports this session - the * least negative value is used to select the * driver for the session * @retval EINVAL if the driver does not support the session * @retval positive if some other error occurs */ METHOD int probesession { device_t dev; const struct crypto_session_params *csp; }; /** * @brief Initialize a new crypto session object * * Invoked by the crypto framework to initialize driver-specific data * for a crypto session. The framework allocates and zeroes the * driver's per-session memory object prior to invoking this method. * The driver is able to access it's per-session memory object via * crypto_get_driver_session(). * * @param dev the crypto driver device * @param crypto_session session being initialized * @param csp crypto session parameters * * @retval 0 success * @retval non-zero if some kind of error occurred */ METHOD int newsession { device_t dev; crypto_session_t crypto_session; const struct crypto_session_params *csp; }; /** * @brief Destroy a crypto session object * * The crypto framework invokes this method when tearing down a crypto * session. After this callback returns, the frame will explicitly * zero and free the drvier's per-session memory object. If the * driver requires additional actions to destroy a session, it should * perform those in this method. If the driver does not require * additional actions it does not need to provide an implementation of * this method. * * @param dev the crypto driver device * @param crypto_session session being destroyed */ METHOD void freesession { device_t dev; crypto_session_t crypto_session; } DEFAULT null_freesession; /** * @brief Perform a symmetric crypto operation * * The crypto framework invokes this method for each symmetric crypto * operation performed on a session. A reference to the containing * session is stored as a member of 'struct cryptop'. This routine * should not block, but queue the operation if necessary. * * This method may return ERESTART to indicate that any internal * queues are full so the operation should be queued in the crypto * framework and retried in the future. * * To report errors with a crypto operation, 'crp_etype' should be set * and the operation completed by calling 'crypto_done'. This method * should then return zero. * * @param dev the crypto driver device * @param op crypto operation to perform * @param flags set to CRYPTO_HINT_MORE if additional symmetric * crypto operations are queued for this driver; * otherwise set to zero. * * @retval 0 success * @retval ERESTART internal queue is full */ METHOD int process { device_t dev; struct cryptop *op; int flags; }; /** * @brief Perform an asymmetric crypto operation * * The crypto framework invokes this method for each asymmetric crypto * operation. Each asymmetric crypto operation should be * self-contained and is not assicated with any persistent session. * This routine should not block, but queue the operation if * necessary. * * This method may return ERESTART to indicate that any internal * queues are full so the operation should be queued in the crypto * framework and retried in the future. * * To report errors with a crypto operation, 'krp_status' should be set * and the operation completed by calling 'crypto_kdone'. This method * should then return zero. * * @param dev the crypto driver device * @param op crypto operation to perform * @param flags set to CRYPTO_HINT_MORE if additional asymmetric * crypto operations are queued for this driver; * otherwise set to zero. * * @retval 0 success * @retval ERESTART internal queue is full */ METHOD int kprocess { device_t dev; struct cryptkop *op; int flags; };
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