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2018-12-07crypto: user - fix use_after_free of struct xxx_requestCorentin Labbe1-60/+14
All crypto_stats functions use the struct xxx_request for feeding stats, but in some case this structure could already be freed. For fixing this, the needed parameters (len and alg) will be stored before the request being executed. Fixes: cac5818c25d0 ("crypto: user - Implement a generic crypto statistics") Reported-by: syzbot <syzbot+6939a606a5305e9e9799@syzkaller.appspotmail.com> Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-12-07crypto: user - convert all stats from u32 to u64Corentin Labbe1-8/+8
All the 32-bit fields need to be 64-bit. In some cases, UINT32_MAX crypto operations can be done in seconds. Reported-by: Eric Biggers <ebiggers@kernel.org> Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2018-09-28crypto: user - Implement a generic crypto statisticsCorentin Labbe1-4/+72
This patch implement a generic way to get statistics about all crypto usages. Signed-off-by: Corentin Labbe <clabbe@baylibre.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2017-06-10crypto: akcipher - assume key is already set in maxsizeTudor-Dan Ambarus1-5/+6
As of now, crypto_akcipher_maxsize() can not be reached without successfully setting the key for the transformation. akcipher algorithm implementations check if the key was set and then return the output buffer size required for the given key. Change the return type to unsigned int and always assume that this function is called after a successful setkey of the transformation. akcipher algorithm implementations will remove the check if key is not NULL and directly return the max size. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2016-02-17crypto: doc - add akcipher APIStephan Mueller1-14/+14
Reference the new akcipher API calls in the kernel crypto API DocBook. Also, fix the comments in the akcipher.h file: double dashes do not look good in the DocBook; fix a typo. Signed-off-by: Stephan Mueller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-11crypto: akcipher - fix typos in include/crypto/akcipher.hLABBE Corentin1-5/+5
Fix numerous spelling error in include/crypto/akcipher.h Signed-off-by: LABBE Corentin <clabbe.montjoie@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-10-14crypto: akcipher - Changes to asymmetric key APITadeusz Struk1-22/+68
Setkey function has been split into set_priv_key and set_pub_key. Akcipher requests takes sgl for src and dst instead of void *. Users of the API i.e. two existing RSA implementation and test mgr code have been updated accordingly. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-06-17crypto: akcipher - add PKE APITadeusz Struk1-0/+340
Add Public Key Encryption API. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Made CRYPTO_AKCIPHER invisible like other type config options. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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