Kconfig

  1# SPDX-License-Identifier: GPL-2.0
  2
  3menu "Crypto library routines"
  4
  5config CRYPTO_HASH_INFO
  6	bool
  7
  8config CRYPTO_LIB_UTILS
  9	tristate
 10
 11config CRYPTO_LIB_AES
 12	tristate
 13
 14config CRYPTO_LIB_AESCFB
 15	tristate
 16	select CRYPTO_LIB_AES
 17	select CRYPTO_LIB_UTILS
 18
 19config CRYPTO_LIB_AESGCM
 20	tristate
 21	select CRYPTO_LIB_AES
 22	select CRYPTO_LIB_GF128MUL
 23	select CRYPTO_LIB_UTILS
 24
 25config CRYPTO_LIB_ARC4
 26	tristate
 27
 28config CRYPTO_LIB_GF128MUL
 29	tristate
 30
 31config CRYPTO_LIB_BLAKE2B
 32	tristate
 33	help
 34	  The BLAKE2b library functions.  Select this if your module uses any of
 35	  the functions from <crypto/blake2b.h>.
 36
 37config CRYPTO_LIB_BLAKE2B_ARCH
 38	bool
 39	depends on CRYPTO_LIB_BLAKE2B && !UML
 40	default y if ARM && KERNEL_MODE_NEON
 41
 42# BLAKE2s support is always built-in, so there's no CRYPTO_LIB_BLAKE2S option.
 43
 44config CRYPTO_LIB_BLAKE2S_ARCH
 45	bool
 46	depends on !UML
 47	default y if ARM
 48	default y if X86_64
 49
 50config CRYPTO_LIB_CHACHA
 51	tristate
 52	select CRYPTO_LIB_UTILS
 53	help
 54	  Enable the ChaCha library interface.  Select this if your module uses
 55	  chacha_crypt() or hchacha_block().
 56
 57config CRYPTO_LIB_CHACHA_ARCH
 58	bool
 59	depends on CRYPTO_LIB_CHACHA && !UML && !KMSAN
 60	default y if ARM
 61	default y if ARM64 && KERNEL_MODE_NEON
 62	default y if MIPS && CPU_MIPS32_R2
 63	default y if PPC64 && CPU_LITTLE_ENDIAN && VSX
 64	default y if RISCV && 64BIT && TOOLCHAIN_HAS_VECTOR_CRYPTO && \
 65		     RISCV_EFFICIENT_VECTOR_UNALIGNED_ACCESS
 66	default y if S390
 67	default y if X86_64
 68
 69config CRYPTO_LIB_CURVE25519
 70	tristate
 71	select CRYPTO_LIB_UTILS
 72	help
 73	  The Curve25519 library functions.  Select this if your module uses any
 74	  of the functions from <crypto/curve25519.h>.
 75
 76config CRYPTO_LIB_CURVE25519_ARCH
 77	bool
 78	depends on CRYPTO_LIB_CURVE25519 && !UML && !KMSAN
 79	default y if ARM && KERNEL_MODE_NEON && !CPU_BIG_ENDIAN
 80	default y if PPC64 && CPU_LITTLE_ENDIAN
 81	default y if X86_64
 82
 83config CRYPTO_LIB_CURVE25519_GENERIC
 84	bool
 85	depends on CRYPTO_LIB_CURVE25519
 86	default y if !CRYPTO_LIB_CURVE25519_ARCH || ARM || X86_64
 87
 88config CRYPTO_LIB_DES
 89	tristate
 90
 91config CRYPTO_LIB_MD5
 92	tristate
 93	help
 94	  The MD5 and HMAC-MD5 library functions.  Select this if your module
 95	  uses any of the functions from <crypto/md5.h>.
 96
 97config CRYPTO_LIB_MD5_ARCH
 98	bool
 99	depends on CRYPTO_LIB_MD5 && !UML
100	default y if MIPS && CPU_CAVIUM_OCTEON
101	default y if PPC
102	default y if SPARC64
103
104config CRYPTO_LIB_POLY1305
105	tristate
106	help
107	  The Poly1305 library functions.  Select this if your module uses any
108	  of the functions from <crypto/poly1305.h>.
109
110config CRYPTO_LIB_POLY1305_ARCH
111	bool
112	depends on CRYPTO_LIB_POLY1305 && !UML && !KMSAN
113	default y if ARM
114	default y if ARM64 && KERNEL_MODE_NEON
115	default y if MIPS
116	# The PPC64 code needs to be fixed to work in softirq context.
117	default y if PPC64 && CPU_LITTLE_ENDIAN && VSX && BROKEN
118	default y if RISCV
119	default y if X86_64
120
121# This symbol controls the inclusion of the Poly1305 generic code.  This differs
122# from most of the other algorithms, which handle the generic code
123# "automatically" via __maybe_unused.  This is needed so that the Adiantum code,
124# which calls the poly1305_core_*() functions directly, can enable them.
125config CRYPTO_LIB_POLY1305_GENERIC
126	bool
127	depends on CRYPTO_LIB_POLY1305
128	# Enable if there's no arch impl or the arch impl requires the generic
129	# impl as a fallback.  (Or if selected explicitly.)
130	default y if !CRYPTO_LIB_POLY1305_ARCH || PPC64
131
132config CRYPTO_LIB_POLY1305_RSIZE
133	int
134	default 2 if MIPS || RISCV
135	default 11 if X86_64
136	default 9 if ARM || ARM64
137	default 1
138
139config CRYPTO_LIB_POLYVAL
140	tristate
141	help
142	  The POLYVAL library functions.  Select this if your module uses any of
143	  the functions from <crypto/polyval.h>.
144
145config CRYPTO_LIB_POLYVAL_ARCH
146	bool
147	depends on CRYPTO_LIB_POLYVAL && !UML
148	default y if ARM64 && KERNEL_MODE_NEON
149	default y if X86_64
150
151config CRYPTO_LIB_CHACHA20POLY1305
152	tristate
153	select CRYPTO_LIB_CHACHA
154	select CRYPTO_LIB_POLY1305
155	select CRYPTO_LIB_UTILS
156
157config CRYPTO_LIB_SHA1
158	tristate
159	help
160	  The SHA-1 and HMAC-SHA1 library functions.  Select this if your module
161	  uses any of the functions from <crypto/sha1.h>.
162
163config CRYPTO_LIB_SHA1_ARCH
164	bool
165	depends on CRYPTO_LIB_SHA1 && !UML
166	default y if ARM
167	default y if ARM64 && KERNEL_MODE_NEON
168	default y if MIPS && CPU_CAVIUM_OCTEON
169	default y if PPC
170	default y if S390
171	default y if SPARC64
172	default y if X86_64
173
174config CRYPTO_LIB_SHA256
175	tristate
176	help
177	  The SHA-224, SHA-256, HMAC-SHA224, and HMAC-SHA256 library functions.
178	  Select this if your module uses any of these functions from
179	  <crypto/sha2.h>.
180
181config CRYPTO_LIB_SHA256_ARCH
182	bool
183	depends on CRYPTO_LIB_SHA256 && !UML
184	default y if ARM && !CPU_V7M
185	default y if ARM64
186	default y if MIPS && CPU_CAVIUM_OCTEON
187	default y if PPC && SPE
188	default y if RISCV && 64BIT && TOOLCHAIN_HAS_VECTOR_CRYPTO && \
189		     RISCV_EFFICIENT_VECTOR_UNALIGNED_ACCESS
190	default y if S390
191	default y if SPARC64
192	default y if X86_64
193
194config CRYPTO_LIB_SHA512
195	tristate
196	help
197	  The SHA-384, SHA-512, HMAC-SHA384, and HMAC-SHA512 library functions.
198	  Select this if your module uses any of these functions from
199	  <crypto/sha2.h>.
200
201config CRYPTO_LIB_SHA512_ARCH
202	bool
203	depends on CRYPTO_LIB_SHA512 && !UML
204	default y if ARM && !CPU_V7M
205	default y if ARM64
206	default y if MIPS && CPU_CAVIUM_OCTEON
207	default y if RISCV && 64BIT && TOOLCHAIN_HAS_VECTOR_CRYPTO && \
208		     RISCV_EFFICIENT_VECTOR_UNALIGNED_ACCESS
209	default y if S390
210	default y if SPARC64
211	default y if X86_64
212
213config CRYPTO_LIB_SHA3
214	tristate
215	select CRYPTO_LIB_UTILS
216	help
217	  The SHA3 library functions.  Select this if your module uses any of
218	  the functions from <crypto/sha3.h>.
219
220config CRYPTO_LIB_SHA3_ARCH
221	bool
222	depends on CRYPTO_LIB_SHA3 && !UML
223	default y if ARM64 && KERNEL_MODE_NEON
224	default y if S390
225
226config CRYPTO_LIB_SM3
227	tristate
228
229source "lib/crypto/tests/Kconfig"
230
231endmenu