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crypto: echainiv - change to 'default n'

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echainiv is the only algorithm or template in the crypto API that is
enabled by default.  But there doesn't seem to be a good reason for it.
And it pulls in a lot of stuff as dependencies, like AEAD support and a
"NIST SP800-90A DRBG" including HMAC-SHA256.

The commit which made it default 'm', commit 3491244c62 ("crypto:
echainiv - Set Kconfig default to m"), mentioned that it's needed for
IPsec.  However, later commit 32b6170ca5 ("ipv4+ipv6: Make INET*_ESP
select CRYPTO_ECHAINIV") made the IPsec kconfig options select it.

So, remove the 'default m'.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2019-05-20 09:52:07 -07:00 committed by Herbert Xu
parent c8a3315a5f
commit 87804144cb
1 changed files with 0 additions and 1 deletions
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crypto/Kconfig
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@ -428,7 +428,6 @@ config CRYPTO_ECHAINIV
select CRYPTO_NULL
select CRYPTO_RNG_DEFAULT
select CRYPTO_MANAGER
default m
help
This IV generator generates an IV based on the encryption of
a sequence number xored with a salt. This is the default