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crypto: prng - Deterministic CPRNG

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This patch adds a cryptographic pseudo-random number generator
based on CTR(AES-128).  It is meant to be used in cases where a
deterministic CPRNG is required.

One of the first applications will be as an input in the IPsec IV
generation process.

Signed-off-by: Neil Horman <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Neil Horman 2008-07-07 22:41:31 +08:00 • committed by Herbert Xu
commit b8454eebe3
4 changed files with 447 additions and 1 deletions
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9
crypto/Kconfig
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@ -666,6 +666,15 @@ config CRYPTO_LZO
help
This is the LZO algorithm.
comment "Random Number Generation"
config CRYPTO_PRNG
tristate "Pseudo Random Number Generation for Cryptographic modules"
help
This option enables the generic pseudo random number generator
for cryptographic modules. Uses the Algorithm specified in
ANSI X9.31 A.2.4
source "drivers/crypto/Kconfig"
endif # if CRYPTO