lib/crypto/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0
   2
   3 menu "Crypto library routines"
   4
   5 config CRYPTO_LIB_UTILS
   6         tristate
   7
   8 config CRYPTO_LIB_AES
   9         tristate
  10
  11 config CRYPTO_LIB_AESGCM
  12         tristate
  13         select CRYPTO_LIB_AES
  14         select CRYPTO_LIB_GF128MUL
  15         select CRYPTO_LIB_UTILS
  16
  17 config CRYPTO_LIB_ARC4
  18         tristate
  19
  20 config CRYPTO_LIB_GF128MUL
  21         tristate
  22
  23 config CRYPTO_ARCH_HAVE_LIB_BLAKE2S
  24         bool
  25         help
  26           Declares whether the architecture provides an arch-specific
  27           accelerated implementation of the Blake2s library interface,
  28           either builtin or as a module.
  29
  30 config CRYPTO_LIB_BLAKE2S_GENERIC
  31         def_bool !CRYPTO_ARCH_HAVE_LIB_BLAKE2S
  32         help
  33           This symbol can be depended upon by arch implementations of the
  34           Blake2s library interface that require the generic code as a
  35           fallback, e.g., for SIMD implementations. If no arch specific
  36           implementation is enabled, this implementation serves the users
  37           of CRYPTO_LIB_BLAKE2S.
  38
  39 config CRYPTO_ARCH_HAVE_LIB_CHACHA
  40         tristate
  41         help
  42           Declares whether the architecture provides an arch-specific
  43           accelerated implementation of the ChaCha library interface,
  44           either builtin or as a module.
  45
  46 config CRYPTO_LIB_CHACHA_GENERIC
  47         tristate
  48         select CRYPTO_LIB_UTILS
  49         help
  50           This symbol can be depended upon by arch implementations of the
  51           ChaCha library interface that require the generic code as a
  52           fallback, e.g., for SIMD implementations. If no arch specific
  53           implementation is enabled, this implementation serves the users
  54           of CRYPTO_LIB_CHACHA.
  55
  56 config CRYPTO_LIB_CHACHA
  57         tristate "ChaCha library interface"
  58         depends on CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA
  59         select CRYPTO_LIB_CHACHA_GENERIC if CRYPTO_ARCH_HAVE_LIB_CHACHA=n
  60         help
  61           Enable the ChaCha library interface. This interface may be fulfilled
  62           by either the generic implementation or an arch-specific one, if one
  63           is available and enabled.
  64
  65 config CRYPTO_ARCH_HAVE_LIB_CURVE25519
  66         tristate
  67         help
  68           Declares whether the architecture provides an arch-specific
  69           accelerated implementation of the Curve25519 library interface,
  70           either builtin or as a module.
  71
  72 config CRYPTO_LIB_CURVE25519_GENERIC
  73         tristate
  74         help
  75           This symbol can be depended upon by arch implementations of the
  76           Curve25519 library interface that require the generic code as a
  77           fallback, e.g., for SIMD implementations. If no arch specific
  78           implementation is enabled, this implementation serves the users
  79           of CRYPTO_LIB_CURVE25519.
  80
  81 config CRYPTO_LIB_CURVE25519
  82         tristate "Curve25519 scalar multiplication library"
  83         depends on CRYPTO_ARCH_HAVE_LIB_CURVE25519 || !CRYPTO_ARCH_HAVE_LIB_CURVE25519
  84         select CRYPTO_LIB_CURVE25519_GENERIC if CRYPTO_ARCH_HAVE_LIB_CURVE25519=n
  85         select CRYPTO_LIB_UTILS
  86         help
  87           Enable the Curve25519 library interface. This interface may be
  88           fulfilled by either the generic implementation or an arch-specific
  89           one, if one is available and enabled.
  90
  91 config CRYPTO_LIB_DES
  92         tristate
  93
  94 config CRYPTO_LIB_POLY1305_RSIZE
  95         int
  96         default 2 if MIPS
  97         default 11 if X86_64
  98         default 9 if ARM || ARM64
  99         default 1
 100
 101 config CRYPTO_ARCH_HAVE_LIB_POLY1305
 102         tristate
 103         help
 104           Declares whether the architecture provides an arch-specific
 105           accelerated implementation of the Poly1305 library interface,
 106           either builtin or as a module.
 107
 108 config CRYPTO_LIB_POLY1305_GENERIC
 109         tristate
 110         help
 111           This symbol can be depended upon by arch implementations of the
 112           Poly1305 library interface that require the generic code as a
 113           fallback, e.g., for SIMD implementations. If no arch specific
 114           implementation is enabled, this implementation serves the users
 115           of CRYPTO_LIB_POLY1305.
 116
 117 config CRYPTO_LIB_POLY1305
 118         tristate "Poly1305 library interface"
 119         depends on CRYPTO_ARCH_HAVE_LIB_POLY1305 || !CRYPTO_ARCH_HAVE_LIB_POLY1305
 120         select CRYPTO_LIB_POLY1305_GENERIC if CRYPTO_ARCH_HAVE_LIB_POLY1305=n
 121         help
 122           Enable the Poly1305 library interface. This interface may be fulfilled
 123           by either the generic implementation or an arch-specific one, if one
 124           is available and enabled.
 125
 126 config CRYPTO_LIB_CHACHA20POLY1305
 127         tristate "ChaCha20-Poly1305 AEAD support (8-byte nonce library version)"
 128         depends on CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA
 129         depends on CRYPTO_ARCH_HAVE_LIB_POLY1305 || !CRYPTO_ARCH_HAVE_LIB_POLY1305
 130         depends on CRYPTO
 131         select CRYPTO_LIB_CHACHA
 132         select CRYPTO_LIB_POLY1305
 133         select CRYPTO_ALGAPI
 134
 135 config CRYPTO_LIB_SHA1
 136         tristate
 137
 138 config CRYPTO_LIB_SHA256
 139         tristate
 140
 141 endmenu