xref: /linux/lib/crypto/Kconfig (revision 3c4fc7bf4c9e66fe71abcbf93f62f4ddb89b7f15) 
1# SPDX-License-Identifier: GPL-2.0
2
3menu "Crypto library routines"
4
5config CRYPTO_LIB_AES
6	tristate
7
8config CRYPTO_LIB_ARC4
9	tristate
10
11config CRYPTO_ARCH_HAVE_LIB_BLAKE2S
12	bool
13	help
14	  Declares whether the architecture provides an arch-specific
15	  accelerated implementation of the Blake2s library interface,
16	  either builtin or as a module.
17
18config CRYPTO_LIB_BLAKE2S_GENERIC
19	def_bool !CRYPTO_ARCH_HAVE_LIB_BLAKE2S
20	help
21	  This symbol can be depended upon by arch implementations of the
22	  Blake2s library interface that require the generic code as a
23	  fallback, e.g., for SIMD implementations. If no arch specific
24	  implementation is enabled, this implementation serves the users
25	  of CRYPTO_LIB_BLAKE2S.
26
27config CRYPTO_ARCH_HAVE_LIB_CHACHA
28	tristate
29	help
30	  Declares whether the architecture provides an arch-specific
31	  accelerated implementation of the ChaCha library interface,
32	  either builtin or as a module.
33
34config CRYPTO_LIB_CHACHA_GENERIC
35	tristate
36	help
37	  This symbol can be depended upon by arch implementations of the
38	  ChaCha library interface that require the generic code as a
39	  fallback, e.g., for SIMD implementations. If no arch specific
40	  implementation is enabled, this implementation serves the users
41	  of CRYPTO_LIB_CHACHA.
42
43config CRYPTO_LIB_CHACHA
44	tristate "ChaCha library interface"
45	depends on CRYPTO
46	depends on CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA
47	select CRYPTO_LIB_CHACHA_GENERIC if CRYPTO_ARCH_HAVE_LIB_CHACHA=n
48	help
49	  Enable the ChaCha library interface. This interface may be fulfilled
50	  by either the generic implementation or an arch-specific one, if one
51	  is available and enabled.
52
53config CRYPTO_ARCH_HAVE_LIB_CURVE25519
54	tristate
55	help
56	  Declares whether the architecture provides an arch-specific
57	  accelerated implementation of the Curve25519 library interface,
58	  either builtin or as a module.
59
60config CRYPTO_LIB_CURVE25519_GENERIC
61	tristate
62	help
63	  This symbol can be depended upon by arch implementations of the
64	  Curve25519 library interface that require the generic code as a
65	  fallback, e.g., for SIMD implementations. If no arch specific
66	  implementation is enabled, this implementation serves the users
67	  of CRYPTO_LIB_CURVE25519.
68
69config CRYPTO_LIB_CURVE25519
70	tristate "Curve25519 scalar multiplication library"
71	depends on CRYPTO_ARCH_HAVE_LIB_CURVE25519 || !CRYPTO_ARCH_HAVE_LIB_CURVE25519
72	select CRYPTO_LIB_CURVE25519_GENERIC if CRYPTO_ARCH_HAVE_LIB_CURVE25519=n
73	select LIB_MEMNEQ
74	help
75	  Enable the Curve25519 library interface. This interface may be
76	  fulfilled by either the generic implementation or an arch-specific
77	  one, if one is available and enabled.
78
79config CRYPTO_LIB_DES
80	tristate
81
82config CRYPTO_LIB_POLY1305_RSIZE
83	int
84	default 2 if MIPS
85	default 11 if X86_64
86	default 9 if ARM || ARM64
87	default 1
88
89config CRYPTO_ARCH_HAVE_LIB_POLY1305
90	tristate
91	help
92	  Declares whether the architecture provides an arch-specific
93	  accelerated implementation of the Poly1305 library interface,
94	  either builtin or as a module.
95
96config CRYPTO_LIB_POLY1305_GENERIC
97	tristate
98	help
99	  This symbol can be depended upon by arch implementations of the
100	  Poly1305 library interface that require the generic code as a
101	  fallback, e.g., for SIMD implementations. If no arch specific
102	  implementation is enabled, this implementation serves the users
103	  of CRYPTO_LIB_POLY1305.
104
105config CRYPTO_LIB_POLY1305
106	tristate "Poly1305 library interface"
107	depends on CRYPTO_ARCH_HAVE_LIB_POLY1305 || !CRYPTO_ARCH_HAVE_LIB_POLY1305
108	select CRYPTO_LIB_POLY1305_GENERIC if CRYPTO_ARCH_HAVE_LIB_POLY1305=n
109	help
110	  Enable the Poly1305 library interface. This interface may be fulfilled
111	  by either the generic implementation or an arch-specific one, if one
112	  is available and enabled.
113
114config CRYPTO_LIB_CHACHA20POLY1305
115	tristate "ChaCha20-Poly1305 AEAD support (8-byte nonce library version)"
116	depends on CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA
117	depends on CRYPTO_ARCH_HAVE_LIB_POLY1305 || !CRYPTO_ARCH_HAVE_LIB_POLY1305
118	depends on CRYPTO
119	select CRYPTO_LIB_CHACHA
120	select CRYPTO_LIB_POLY1305
121	select CRYPTO_ALGAPI
122
123config CRYPTO_LIB_SHA1
124	tristate
125
126config CRYPTO_LIB_SHA256
127	tristate
128
129endmenu
130