xref: /linux/lib/crypto/Kconfig (revision 41f7adb676f6c4aef439d78b15c7e1119216bc2b)
1# SPDX-License-Identifier: GPL-2.0
2
3menu "Crypto library routines"
4
5config CRYPTO_LIB_UTILS
6	tristate
7
8config CRYPTO_LIB_AES
9	tristate
10
11config CRYPTO_LIB_AESCFB
12	tristate
13	select CRYPTO_LIB_AES
14	select CRYPTO_LIB_UTILS
15
16config CRYPTO_LIB_AESGCM
17	tristate
18	select CRYPTO_LIB_AES
19	select CRYPTO_LIB_GF128MUL
20	select CRYPTO_LIB_UTILS
21
22config CRYPTO_LIB_ARC4
23	tristate
24
25config CRYPTO_LIB_GF128MUL
26	tristate
27
28config CRYPTO_ARCH_HAVE_LIB_BLAKE2S
29	bool
30	help
31	  Declares whether the architecture provides an arch-specific
32	  accelerated implementation of the Blake2s library interface,
33	  either builtin or as a module.
34
35config CRYPTO_LIB_BLAKE2S_GENERIC
36	def_bool !CRYPTO_ARCH_HAVE_LIB_BLAKE2S
37	help
38	  This symbol can be depended upon by arch implementations of the
39	  Blake2s library interface that require the generic code as a
40	  fallback, e.g., for SIMD implementations. If no arch specific
41	  implementation is enabled, this implementation serves the users
42	  of CRYPTO_LIB_BLAKE2S.
43
44config CRYPTO_ARCH_HAVE_LIB_CHACHA
45	tristate
46	help
47	  Declares whether the architecture provides an arch-specific
48	  accelerated implementation of the ChaCha library interface,
49	  either builtin or as a module.
50
51config CRYPTO_LIB_CHACHA_GENERIC
52	tristate
53	select CRYPTO_LIB_UTILS
54	help
55	  This symbol can be depended upon by arch implementations of the
56	  ChaCha library interface that require the generic code as a
57	  fallback, e.g., for SIMD implementations. If no arch specific
58	  implementation is enabled, this implementation serves the users
59	  of CRYPTO_LIB_CHACHA.
60
61config CRYPTO_LIB_CHACHA
62	tristate "ChaCha library interface"
63	depends on CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA
64	select CRYPTO_LIB_CHACHA_GENERIC if CRYPTO_ARCH_HAVE_LIB_CHACHA=n
65	help
66	  Enable the ChaCha library interface. This interface may be fulfilled
67	  by either the generic implementation or an arch-specific one, if one
68	  is available and enabled.
69
70config CRYPTO_ARCH_HAVE_LIB_CURVE25519
71	tristate
72	help
73	  Declares whether the architecture provides an arch-specific
74	  accelerated implementation of the Curve25519 library interface,
75	  either builtin or as a module.
76
77config CRYPTO_LIB_CURVE25519_GENERIC
78	tristate
79	help
80	  This symbol can be depended upon by arch implementations of the
81	  Curve25519 library interface that require the generic code as a
82	  fallback, e.g., for SIMD implementations. If no arch specific
83	  implementation is enabled, this implementation serves the users
84	  of CRYPTO_LIB_CURVE25519.
85
86config CRYPTO_LIB_CURVE25519
87	tristate "Curve25519 scalar multiplication library"
88	depends on CRYPTO_ARCH_HAVE_LIB_CURVE25519 || !CRYPTO_ARCH_HAVE_LIB_CURVE25519
89	select CRYPTO_LIB_CURVE25519_GENERIC if CRYPTO_ARCH_HAVE_LIB_CURVE25519=n
90	select CRYPTO_LIB_UTILS
91	help
92	  Enable the Curve25519 library interface. This interface may be
93	  fulfilled by either the generic implementation or an arch-specific
94	  one, if one is available and enabled.
95
96config CRYPTO_LIB_DES
97	tristate
98
99config CRYPTO_LIB_POLY1305_RSIZE
100	int
101	default 2 if MIPS
102	default 11 if X86_64
103	default 9 if ARM || ARM64
104	default 1
105
106config CRYPTO_ARCH_HAVE_LIB_POLY1305
107	tristate
108	help
109	  Declares whether the architecture provides an arch-specific
110	  accelerated implementation of the Poly1305 library interface,
111	  either builtin or as a module.
112
113config CRYPTO_LIB_POLY1305_GENERIC
114	tristate
115	help
116	  This symbol can be depended upon by arch implementations of the
117	  Poly1305 library interface that require the generic code as a
118	  fallback, e.g., for SIMD implementations. If no arch specific
119	  implementation is enabled, this implementation serves the users
120	  of CRYPTO_LIB_POLY1305.
121
122config CRYPTO_LIB_POLY1305
123	tristate "Poly1305 library interface"
124	depends on CRYPTO_ARCH_HAVE_LIB_POLY1305 || !CRYPTO_ARCH_HAVE_LIB_POLY1305
125	select CRYPTO_LIB_POLY1305_GENERIC if CRYPTO_ARCH_HAVE_LIB_POLY1305=n
126	help
127	  Enable the Poly1305 library interface. This interface may be fulfilled
128	  by either the generic implementation or an arch-specific one, if one
129	  is available and enabled.
130
131config CRYPTO_LIB_CHACHA20POLY1305
132	tristate "ChaCha20-Poly1305 AEAD support (8-byte nonce library version)"
133	depends on CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA
134	depends on CRYPTO_ARCH_HAVE_LIB_POLY1305 || !CRYPTO_ARCH_HAVE_LIB_POLY1305
135	depends on CRYPTO
136	select CRYPTO_LIB_CHACHA
137	select CRYPTO_LIB_POLY1305
138	select CRYPTO_ALGAPI
139
140config CRYPTO_LIB_SHA1
141	tristate
142
143config CRYPTO_LIB_SHA256
144	tristate
145
146endmenu
147