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CAAM RSA private key may have either of three representations.
1. The first representation consists of the pair (n, d), where the
components have the following meanings:
n the RSA modulus
d the RSA private exponent
2. The second representation consists of the triplet (p, q, d), where
the
components have the following meanings:
p the first prime factor of the RSA modulus n
q the second prime factor of the RSA modulus n
d the RSA private exponent
3. The third representation consists of the quintuple (p, q, dP, dQ,
qInv),
where the components have the following meanings:
p the first prime factor of the RSA modulus n
q the second prime factor of the RSA modulus n
dP the first factors's CRT exponent
dQ the second factors's CRT exponent
qInv the (first) CRT coefficient
The benefit of using the third or the second key form is lower
computational cost for the decryption and signature operations.
This patch adds support for the third RSA private key
representations and extends caampkc to use the fastest key when all
related components are present in the private key.
Signed-off-by: Tudor Ambarus <tudor-dan.ambarus@nxp.com>
Signed-off-by: Radu Alexe <radu.alexe@nxp.com>
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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| ipc | ||
| kernel | ||
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| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.