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| author | gaurav rana <gaurav.rana@freescale.com> | 2015-02-20 12:51:46 +0530 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2015-02-25 13:20:02 -0800 |
| commit | 94e3c8c4fd7bfe395fa467973cd647551d6d98c7 (patch) | |
| tree | b591415085fa8629245dcd2183f2dc50f550ccc1 /README | |
| parent | 7ee8c4795d0ab0f1cd25496bfbcdedb184ef5a8d (diff) | |
| download | u-boot-imx-94e3c8c4fd7bfe395fa467973cd647551d6d98c7.zip u-boot-imx-94e3c8c4fd7bfe395fa467973cd647551d6d98c7.tar.gz u-boot-imx-94e3c8c4fd7bfe395fa467973cd647551d6d98c7.tar.bz2 | |
crypto/fsl - Add progressive hashing support using hardware acceleration.
Currently only normal hashing is supported using hardware acceleration.
Added support for progressive hashing using hardware.
Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com>
Signed-off-by: Gaurav Rana <gaurav.rana@freescale.com>
CC: Simon Glass <sjg@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 20 |
1 files changed, 16 insertions, 4 deletions
@@ -3152,8 +3152,18 @@ CBFS (Coreboot Filesystem) support Enable the hash verify command (hash -v). This adds to code size a little. - CONFIG_SHA1 - support SHA1 hashing - CONFIG_SHA256 - support SHA256 hashing + CONFIG_SHA1 - This option enables support of hashing using SHA1 + algorithm. The hash is calculated in software. + CONFIG_SHA256 - This option enables support of hashing using + SHA256 algorithm. The hash is calculated in software. + CONFIG_SHA_HW_ACCEL - This option enables hardware acceleration + for SHA1/SHA256 hashing. + This affects the 'hash' command and also the + hash_lookup_algo() function. + CONFIG_SHA_PROG_HW_ACCEL - This option enables + hardware-acceleration for SHA1/SHA256 progressive hashing. + Data can be streamed in a block at a time and the hashing + is performed in hardware. Note: There is also a sha1sum command, which should perhaps be deprecated in favour of 'hash sha1'. @@ -3447,8 +3457,10 @@ FIT uImage format: CONFIG_FIT_SIGNATURE This option enables signature verification of FIT uImages, - using a hash signed and verified using RSA. See - doc/uImage.FIT/signature.txt for more details. + using a hash signed and verified using RSA. If + CONFIG_SHA_PROG_HW_ACCEL is defined, i.e support for progressive + hashing is available using hardware, RSA library will use it. + See doc/uImage.FIT/signature.txt for more details. WARNING: When relying on signed FIT images with required signature check the legacy image format is default |