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_ARCH_HAVE_LIB_BLAKE2S 32 bool 33 help 34 Declares whether the architecture provides an arch-specific 35 accelerated implementation of the Blake2s library interface, 36 either builtin or as a module. 37 38config CRYPTO_LIB_BLAKE2S_GENERIC 39 def_bool !CRYPTO_ARCH_HAVE_LIB_BLAKE2S 40 help 41 This symbol can be depended upon by arch implementations of the 42 Blake2s library interface that require the generic code as a 43 fallback, e.g., for SIMD implementations. If no arch specific 44 implementation is enabled, this implementation serves the users 45 of CRYPTO_LIB_BLAKE2S. 46 47config CRYPTO_LIB_CHACHA 48 tristate 49 select CRYPTO_LIB_UTILS 50 help 51 Enable the ChaCha library interface. Select this if your module uses 52 chacha_crypt() or hchacha_block(). 53 54config CRYPTO_LIB_CHACHA_ARCH 55 bool 56 depends on CRYPTO_LIB_CHACHA && !UML && !KMSAN 57 default y if ARM 58 default y if ARM64 && KERNEL_MODE_NEON 59 default y if MIPS && CPU_MIPS32_R2 60 default y if PPC64 && CPU_LITTLE_ENDIAN && VSX 61 default y if RISCV && 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO 62 default y if S390 63 default y if X86_64 64 65config CRYPTO_ARCH_HAVE_LIB_CURVE25519 66 bool 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 72config CRYPTO_LIB_CURVE25519_GENERIC 73 tristate 74 select CRYPTO_LIB_UTILS 75 help 76 This symbol can be depended upon by arch implementations of the 77 Curve25519 library interface that require the generic code as a 78 fallback, e.g., for SIMD implementations. If no arch specific 79 implementation is enabled, this implementation serves the users 80 of CRYPTO_LIB_CURVE25519. 81 82config CRYPTO_LIB_CURVE25519_INTERNAL 83 tristate 84 select CRYPTO_LIB_CURVE25519_GENERIC if CRYPTO_ARCH_HAVE_LIB_CURVE25519=n 85 86config CRYPTO_LIB_CURVE25519 87 tristate 88 select CRYPTO 89 select CRYPTO_LIB_CURVE25519_INTERNAL 90 help 91 Enable the Curve25519 library interface. This interface may be 92 fulfilled by either the generic implementation or an arch-specific 93 one, if one is available and enabled. 94 95config CRYPTO_LIB_DES 96 tristate 97 98config CRYPTO_LIB_MD5 99 tristate 100 help 101 The MD5 and HMAC-MD5 library functions. Select this if your module 102 uses any of the functions from <crypto/md5.h>. 103 104config CRYPTO_LIB_MD5_ARCH 105 bool 106 depends on CRYPTO_LIB_MD5 && !UML 107 default y if MIPS && CPU_CAVIUM_OCTEON 108 default y if PPC 109 default y if SPARC64 110 111config CRYPTO_LIB_POLY1305 112 tristate 113 help 114 The Poly1305 library functions. Select this if your module uses any 115 of the functions from <crypto/poly1305.h>. 116 117config CRYPTO_LIB_POLY1305_ARCH 118 bool 119 depends on CRYPTO_LIB_POLY1305 && !UML 120 default y if ARM 121 default y if ARM64 && KERNEL_MODE_NEON 122 default y if MIPS 123 # The PPC64 code needs to be fixed to work in softirq context. 124 default y if PPC64 && CPU_LITTLE_ENDIAN && VSX && BROKEN 125 default y if RISCV 126 default y if X86_64 127 128# This symbol controls the inclusion of the Poly1305 generic code. This differs 129# from most of the other algorithms, which handle the generic code 130# "automatically" via __maybe_unused. This is needed so that the Adiantum code, 131# which calls the poly1305_core_*() functions directly, can enable them. 132config CRYPTO_LIB_POLY1305_GENERIC 133 bool 134 depends on CRYPTO_LIB_POLY1305 135 # Enable if there's no arch impl or the arch impl requires the generic 136 # impl as a fallback. (Or if selected explicitly.) 137 default y if !CRYPTO_LIB_POLY1305_ARCH || PPC64 138 139config CRYPTO_LIB_POLY1305_RSIZE 140 int 141 default 2 if MIPS || RISCV 142 default 11 if X86_64 143 default 9 if ARM || ARM64 144 default 1 145 146config CRYPTO_LIB_CHACHA20POLY1305 147 tristate 148 select CRYPTO_LIB_CHACHA 149 select CRYPTO_LIB_POLY1305 150 select CRYPTO_LIB_UTILS 151 152config CRYPTO_LIB_SHA1 153 tristate 154 help 155 The SHA-1 and HMAC-SHA1 library functions. Select this if your module 156 uses any of the functions from <crypto/sha1.h>. 157 158config CRYPTO_LIB_SHA1_ARCH 159 bool 160 depends on CRYPTO_LIB_SHA1 && !UML 161 default y if ARM 162 default y if ARM64 && KERNEL_MODE_NEON 163 default y if MIPS && CPU_CAVIUM_OCTEON 164 default y if PPC 165 default y if S390 166 default y if SPARC64 167 default y if X86_64 168 169config CRYPTO_LIB_SHA256 170 tristate 171 help 172 The SHA-224, SHA-256, HMAC-SHA224, and HMAC-SHA256 library functions. 173 Select this if your module uses any of these functions from 174 <crypto/sha2.h>. 175 176config CRYPTO_LIB_SHA256_ARCH 177 bool 178 depends on CRYPTO_LIB_SHA256 && !UML 179 default y if ARM && !CPU_V7M 180 default y if ARM64 181 default y if MIPS && CPU_CAVIUM_OCTEON 182 default y if PPC && SPE 183 default y if RISCV && 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO 184 default y if S390 185 default y if SPARC64 186 default y if X86_64 187 188config CRYPTO_LIB_SHA512 189 tristate 190 help 191 The SHA-384, SHA-512, HMAC-SHA384, and HMAC-SHA512 library functions. 192 Select this if your module uses any of these functions from 193 <crypto/sha2.h>. 194 195config CRYPTO_LIB_SHA512_ARCH 196 bool 197 depends on CRYPTO_LIB_SHA512 && !UML 198 default y if ARM && !CPU_V7M 199 default y if ARM64 200 default y if MIPS && CPU_CAVIUM_OCTEON 201 default y if RISCV && 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO 202 default y if S390 203 default y if SPARC64 204 default y if X86_64 205 206config CRYPTO_LIB_SM3 207 tristate 208 209source "lib/crypto/tests/Kconfig" 210 211if !KMSAN # avoid false positives from assembly 212if ARM 213source "lib/crypto/arm/Kconfig" 214endif 215if X86 216source "lib/crypto/x86/Kconfig" 217endif 218endif 219 220endmenu 221