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crypto: api - Disallow cryptomgr as a module if algorithms are built-in

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If we have at least one algorithm built-in then it no longer makes
sense to have the testing framework, and hence cryptomgr to be a
module.  It should be either on or off, i.e., built-in or disabled.

This just happens to stop a potential runaway modprobe loop that
seems to trigger on at least one distro.

With fixes from Evgeniy Polyakov.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2008-12-10 23:29:44 +11:00
parent 437f2f91d6
commit 6a0fcbb4da
2 changed files with 41 additions and 13 deletions
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36
crypto/Kconfig
View file

@ -31,35 +31,63 @@ config CRYPTO_FIPS
config CRYPTO_ALGAPI
tristate
select CRYPTO_ALGAPI2
help
This option provides the API for cryptographic algorithms.
config CRYPTO_ALGAPI2
tristate
config CRYPTO_AEAD
tristate
select CRYPTO_AEAD2
select CRYPTO_ALGAPI
config CRYPTO_AEAD2
tristate
select CRYPTO_ALGAPI2
config CRYPTO_BLKCIPHER
tristate
select CRYPTO_BLKCIPHER2
select CRYPTO_ALGAPI
select CRYPTO_RNG
config CRYPTO_BLKCIPHER2
tristate
select CRYPTO_ALGAPI2
select CRYPTO_RNG2
config CRYPTO_HASH
tristate
select CRYPTO_HASH2
select CRYPTO_ALGAPI
config CRYPTO_HASH2
tristate
select CRYPTO_ALGAPI2
config CRYPTO_RNG
tristate
select CRYPTO_RNG2
select CRYPTO_ALGAPI
config CRYPTO_RNG2
tristate
select CRYPTO_ALGAPI2
config CRYPTO_MANAGER
tristate "Cryptographic algorithm manager"
select CRYPTO_AEAD
select CRYPTO_HASH
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER2
help
Create default cryptographic template instantiations such as
cbc(aes).
config CRYPTO_MANAGER2
def_tristate CRYPTO_MANAGER || (CRYPTO_MANAGER!=n && CRYPTO_ALGAPI=y)
select CRYPTO_AEAD2
select CRYPTO_HASH2
select CRYPTO_BLKCIPHER2
config CRYPTO_GF128MUL
tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
depends on EXPERIMENTAL

18
crypto/Makefile
View file

@ -9,24 +9,24 @@ obj-$(CONFIG_CRYPTO_FIPS) += fips.o
crypto_algapi-$(CONFIG_PROC_FS) += proc.o
crypto_algapi-objs := algapi.o scatterwalk.o $(crypto_algapi-y)
obj-$(CONFIG_CRYPTO_ALGAPI) += crypto_algapi.o
obj-$(CONFIG_CRYPTO_ALGAPI2) += crypto_algapi.o
obj-$(CONFIG_CRYPTO_AEAD) += aead.o
obj-$(CONFIG_CRYPTO_AEAD2) += aead.o
crypto_blkcipher-objs := ablkcipher.o
crypto_blkcipher-objs += blkcipher.o
obj-$(CONFIG_CRYPTO_BLKCIPHER) += crypto_blkcipher.o
obj-$(CONFIG_CRYPTO_BLKCIPHER) += chainiv.o
obj-$(CONFIG_CRYPTO_BLKCIPHER) += eseqiv.o
obj-$(CONFIG_CRYPTO_BLKCIPHER2) += crypto_blkcipher.o
obj-$(CONFIG_CRYPTO_BLKCIPHER2) += chainiv.o
obj-$(CONFIG_CRYPTO_BLKCIPHER2) += eseqiv.o
obj-$(CONFIG_CRYPTO_SEQIV) += seqiv.o
crypto_hash-objs := hash.o
crypto_hash-objs += ahash.o
obj-$(CONFIG_CRYPTO_HASH) += crypto_hash.o
obj-$(CONFIG_CRYPTO_HASH2) += crypto_hash.o
cryptomgr-objs := algboss.o testmgr.o
obj-$(CONFIG_CRYPTO_MANAGER) += cryptomgr.o
obj-$(CONFIG_CRYPTO_MANAGER2) += cryptomgr.o
obj-$(CONFIG_CRYPTO_HMAC) += hmac.o
obj-$(CONFIG_CRYPTO_XCBC) += xcbc.o
obj-$(CONFIG_CRYPTO_NULL) += crypto_null.o
@ -73,8 +73,8 @@ obj-$(CONFIG_CRYPTO_MICHAEL_MIC) += michael_mic.o
obj-$(CONFIG_CRYPTO_CRC32C) += crc32c.o
obj-$(CONFIG_CRYPTO_AUTHENC) += authenc.o
obj-$(CONFIG_CRYPTO_LZO) += lzo.o
obj-$(CONFIG_CRYPTO_RNG) += rng.o
obj-$(CONFIG_CRYPTO_RNG) += krng.o
obj-$(CONFIG_CRYPTO_RNG2) += rng.o
obj-$(CONFIG_CRYPTO_RNG2) += krng.o
obj-$(CONFIG_CRYPTO_ANSI_CPRNG) += ansi_cprng.o
obj-$(CONFIG_CRYPTO_TEST) += tcrypt.o