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Re: Kernel Migration

Le 14 Déc, David Belohrad a écrit :
> -- for this I've found in this mailing conference how to make it with 
> the crypto what is in kernel (adding patch 
> patch-cryptoloop-jari-2.4.22.0 to vanilla 2.4.23). This
> works without problem, but when I go to make xconfig, and I select loop 
> device and cryptoloop device (as modules), the cryptographic support is 
> then completely
> grayed, so I cannot make a selection of the cipher I have (twofish-256).

I ran into the bug a few days ago. Here is a
corrected crypto/Config.in file for xconfig users. The real bug is in
xconfig way of interpreting Config.in files. This is just a workaround.

Florent Chabaud
gpg: 28C9 9E1A 5507 5574 EDE6  2E8F 2B37 D83F 95C8 1C3C
http://www.carva.org/florent.chabaud | florent.chabaud@m4x.org
#
# Cryptographic API Configuration
#
mainmenu_option next_comment
comment 'Cryptographic options'

if [ "$CONFIG_BLK_DEV_CRYPTOLOOP" = "y" -o \
     "$CONFIG_BLK_DEV_CRYPTOLOOP" = "m" -o \
     "$CONFIG_INET_AH" = "y" -o \
     "$CONFIG_INET_AH" = "m" -o \
     "$CONFIG_INET_ESP" = "y" -o \
     "$CONFIG_INET_ESP" = "m" -o \
     "$CONFIG_INET6_AH" = "y" -o \
     "$CONFIG_INET6_AH" = "m" -o \
     "$CONFIG_INET6_ESP" = "y" -o \
     "$CONFIG_INET6_ESP" = "m" ]; then
  define_bool CONFIG_CRYPTO y
else
  bool 'Cryptographic API' CONFIG_CRYPTO
fi
if [ "$CONFIG_BLK_DEV_CRYPTOLOOP" = "y" -o \
     "$CONFIG_BLK_DEV_CRYPTOLOOP" = "m" -o \
     "$CONFIG_INET_AH" = "y" -o \
     "$CONFIG_INET_AH" = "m" -o \
     "$CONFIG_INET_ESP" = "y" -o \
     "$CONFIG_INET_ESP" = "m" -o \
     "$CONFIG_INET6_AH" = "y" -o \
     "$CONFIG_INET6_AH" = "m" -o \
     "$CONFIG_INET6_ESP" = "y" -o \
     "$CONFIG_INET6_ESP" = "m" ]; then
  define_bool CONFIG_CRYPTO y
fi

if [ "$CONFIG_CRYPTO" = "y" ]; then
  if [ "$CONFIG_INET_AH" = "y" -o \
       "$CONFIG_INET_AH" = "m" -o \
       "$CONFIG_INET_ESP" = "y" -o \
       "$CONFIG_INET_ESP" = "m" -o \
       "$CONFIG_INET6_AH" = "y" -o \
       "$CONFIG_INET6_AH" = "m" -o \
       "$CONFIG_INET6_ESP" = "y" -o \
       "$CONFIG_INET6_ESP" = "m" ]; then
    define_bool CONFIG_CRYPTO_HMAC y
  else
    bool           '  HMAC support' CONFIG_CRYPTO_HMAC
  fi
  if [ "$CONFIG_INET_AH" = "y" -o \
       "$CONFIG_INET_AH" = "m" -o \
       "$CONFIG_INET_ESP" = "y" -o \
       "$CONFIG_INET_ESP" = "m" -o \
       "$CONFIG_INET6_AH" = "y" -o \
       "$CONFIG_INET6_AH" = "m" -o \
       "$CONFIG_INET6_ESP" = "y" -o \
       "$CONFIG_INET6_ESP" = "m" ]; then
    define_bool CONFIG_CRYPTO_HMAC y
  fi
  tristate       '  NULL algorithms' CONFIG_CRYPTO_NULL
  tristate       '  MD4 digest algorithm' CONFIG_CRYPTO_MD4
  if [ "$CONFIG_INET_AH" = "y" -o \
       "$CONFIG_INET_AH" = "m" -o \
       "$CONFIG_INET_ESP" = "y" -o \
       "$CONFIG_INET_ESP" = "m" -o \
       "$CONFIG_INET6_AH" = "y" -o \
       "$CONFIG_INET6_AH" = "m" -o \
       "$CONFIG_INET6_ESP" = "y" -o \
       "$CONFIG_INET6_ESP" = "m" ]; then
    define_bool CONFIG_CRYPTO_MD5 y
  else
    tristate       '  MD5 digest algorithm' CONFIG_CRYPTO_MD5
  fi
  if [ "$CONFIG_INET_AH" = "y" -o \
       "$CONFIG_INET_AH" = "m" -o \
       "$CONFIG_INET_ESP" = "y" -o \
       "$CONFIG_INET_ESP" = "m" -o \
       "$CONFIG_INET6_AH" = "y" -o \
       "$CONFIG_INET6_AH" = "m" -o \
       "$CONFIG_INET6_ESP" = "y" -o \
       "$CONFIG_INET6_ESP" = "m" ]; then
    define_bool CONFIG_CRYPTO_MD5 y
  fi
  if [ "$CONFIG_INET_AH" = "y" -o \
       "$CONFIG_INET_AH" = "m" -o \
       "$CONFIG_INET_ESP" = "y" -o \
       "$CONFIG_INET_ESP" = "m" -o \
       "$CONFIG_INET6_AH" = "y" -o \
       "$CONFIG_INET6_AH" = "m" -o \
       "$CONFIG_INET6_ESP" = "y" -o \
       "$CONFIG_INET6_ESP" = "m" ]; then
    define_bool CONFIG_CRYPTO_SHA1 y
  else
    tristate       '  SHA1 digest algorithm' CONFIG_CRYPTO_SHA1
  fi
  if [ "$CONFIG_INET_AH" = "y" -o \
       "$CONFIG_INET_AH" = "m" -o \
       "$CONFIG_INET_ESP" = "y" -o \
       "$CONFIG_INET_ESP" = "m" -o \
       "$CONFIG_INET6_AH" = "y" -o \
       "$CONFIG_INET6_AH" = "m" -o \
       "$CONFIG_INET6_ESP" = "y" -o \
       "$CONFIG_INET6_ESP" = "m" ]; then
    define_bool CONFIG_CRYPTO_SHA1 y
  fi
  tristate       '  SHA256 digest algorithm' CONFIG_CRYPTO_SHA256
  tristate       '  SHA384 and SHA512 digest algorithms' CONFIG_CRYPTO_SHA512
  if [ "$CONFIG_INET_ESP" = "y" -o \
       "$CONFIG_INET_ESP" = "m" -o \
       "$CONFIG_INET6_ESP" = "y" -o \
       "$CONFIG_INET6_ESP" = "m" ]; then
    define_bool CONFIG_CRYPTO_DES y
  else
    tristate       '  DES and Triple DES EDE cipher algorithms' CONFIG_CRYPTO_DES
  fi
  if [ "$CONFIG_INET_ESP" = "y" -o \
       "$CONFIG_INET_ESP" = "m" -o \
       "$CONFIG_INET6_ESP" = "y" -o \
       "$CONFIG_INET6_ESP" = "m" ]; then
    define_bool CONFIG_CRYPTO_DES y
  fi
  tristate       '  Blowfish cipher algorithm' CONFIG_CRYPTO_BLOWFISH
  tristate       '  Twofish cipher algorithm' CONFIG_CRYPTO_TWOFISH
  tristate       '  Serpent cipher algorithm' CONFIG_CRYPTO_SERPENT
  tristate       '  AES cipher algorithms' CONFIG_CRYPTO_AES
  if [ "$CONFIG_X86" = "y" -a \
       "$CONFIG_X86_64" != "y" -a \
       "$CONFIG_M386" != "y" -a \
       "$CONFIG_M486" != "y" ]; then
    dep_mbool       '    use assembler optimized AES implementation' CONFIG_CRYPTO_AES_ASM $CONFIG_CRYPTO_AES
  fi
  tristate       '  CAST5 (CAST-128) cipher algorithm' CONFIG_CRYPTO_CAST5
  if [ "$CONFIG_INET_IPCOMP" = "y" -o \
       "$CONFIG_INET_IPCOMP" = "m" -o \
       "$CONFIG_INET6_IPCOMP" = "y" -o \
       "$CONFIG_INET6_IPCOMP" = "m" ]; then
    define_bool CONFIG_CRYPTO_DEFLATE y
  else
    tristate       '  Deflate compression algorithm' CONFIG_CRYPTO_DEFLATE
  fi
  if [ "$CONFIG_INET_IPCOMP" = "y" -o \
       "$CONFIG_INET_IPCOMP" = "m" -o \
       "$CONFIG_INET6_IPCOMP" = "y" -o \
       "$CONFIG_INET6_IPCOMP" = "m" ]; then
    define_bool CONFIG_CRYPTO_DEFLATE y
  fi
  tristate       '  Testing module' CONFIG_CRYPTO_TEST
fi

endmenu

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