1# SPDX-License-Identifier: GPL-2.0 2 3menu "Accelerated Cryptographic Algorithms for CPU (powerpc)" 4 5config CRYPTO_CURVE25519_PPC64 6 tristate "Public key crypto: Curve25519 (PowerPC64)" 7 depends on PPC64 && CPU_LITTLE_ENDIAN 8 select CRYPTO_LIB_CURVE25519_GENERIC 9 select CRYPTO_ARCH_HAVE_LIB_CURVE25519 10 help 11 Curve25519 algorithm 12 13 Architecture: PowerPC64 14 - Little-endian 15 16config CRYPTO_CRC32C_VPMSUM 17 tristate "CRC32c" 18 depends on PPC64 && ALTIVEC 19 select CRYPTO_HASH 20 select CRC32 21 help 22 CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720) 23 24 Architecture: powerpc64 using 25 - AltiVec extensions 26 27 Enable on POWER8 and newer processors for improved performance. 28 29config CRYPTO_CRCT10DIF_VPMSUM 30 tristate "CRC32T10DIF" 31 depends on PPC64 && ALTIVEC && CRC_T10DIF 32 select CRYPTO_HASH 33 help 34 CRC16 CRC algorithm used for the T10 (SCSI) Data Integrity Field (DIF) 35 36 Architecture: powerpc64 using 37 - AltiVec extensions 38 39 Enable on POWER8 and newer processors for improved performance. 40 41config CRYPTO_VPMSUM_TESTER 42 tristate "CRC32c and CRC32T10DIF hardware acceleration tester" 43 depends on CRYPTO_CRCT10DIF_VPMSUM && CRYPTO_CRC32C_VPMSUM 44 help 45 Stress test for CRC32c and CRCT10DIF algorithms implemented with 46 powerpc64 AltiVec extensions (POWER8 vpmsum instructions). 47 Unless you are testing these algorithms, you don't need this. 48 49config CRYPTO_MD5_PPC 50 tristate "Digests: MD5" 51 depends on PPC 52 select CRYPTO_HASH 53 help 54 MD5 message digest algorithm (RFC1321) 55 56 Architecture: powerpc 57 58config CRYPTO_SHA1_PPC 59 tristate "Hash functions: SHA-1" 60 depends on PPC 61 help 62 SHA-1 secure hash algorithm (FIPS 180) 63 64 Architecture: powerpc 65 66config CRYPTO_SHA1_PPC_SPE 67 tristate "Hash functions: SHA-1 (SPE)" 68 depends on PPC && SPE 69 help 70 SHA-1 secure hash algorithm (FIPS 180) 71 72 Architecture: powerpc using 73 - SPE (Signal Processing Engine) extensions 74 75config CRYPTO_SHA256_PPC_SPE 76 tristate "Hash functions: SHA-224 and SHA-256 (SPE)" 77 depends on PPC && SPE 78 select CRYPTO_SHA256 79 select CRYPTO_HASH 80 help 81 SHA-224 and SHA-256 secure hash algorithms (FIPS 180) 82 83 Architecture: powerpc using 84 - SPE (Signal Processing Engine) extensions 85 86config CRYPTO_AES_PPC_SPE 87 tristate "Ciphers: AES, modes: ECB/CBC/CTR/XTS (SPE)" 88 depends on PPC && SPE 89 select CRYPTO_SKCIPHER 90 help 91 Block ciphers: AES cipher algorithms (FIPS-197) 92 Length-preserving ciphers: AES with ECB, CBC, CTR, and XTS modes 93 94 Architecture: powerpc using: 95 - SPE (Signal Processing Engine) extensions 96 97 SPE is available for: 98 - Processor Type: Freescale 8500 99 - CPU selection: e500 (8540) 100 101 This module should only be used for low power (router) devices 102 without hardware AES acceleration (e.g. caam crypto). It reduces the 103 size of the AES tables from 16KB to 8KB + 256 bytes and mitigates 104 timining attacks. Nevertheless it might be not as secure as other 105 architecture specific assembler implementations that work on 1KB 106 tables or 256 bytes S-boxes. 107 108config CRYPTO_AES_GCM_P10 109 tristate "Stitched AES/GCM acceleration support on P10 or later CPU (PPC)" 110 depends on BROKEN 111 depends on PPC64 && CPU_LITTLE_ENDIAN && VSX 112 select CRYPTO_LIB_AES 113 select CRYPTO_ALGAPI 114 select CRYPTO_AEAD 115 select CRYPTO_SKCIPHER 116 help 117 AEAD cipher: AES cipher algorithms (FIPS-197) 118 GCM (Galois/Counter Mode) authenticated encryption mode (NIST SP800-38D) 119 Architecture: powerpc64 using: 120 - little-endian 121 - Power10 or later features 122 123 Support for cryptographic acceleration instructions on Power10 or 124 later CPU. This module supports stitched acceleration for AES/GCM. 125 126config CRYPTO_CHACHA20_P10 127 tristate "Ciphers: ChaCha20, XChacha20, XChacha12 (P10 or later)" 128 depends on PPC64 && CPU_LITTLE_ENDIAN && VSX 129 select CRYPTO_SKCIPHER 130 select CRYPTO_LIB_CHACHA_GENERIC 131 select CRYPTO_ARCH_HAVE_LIB_CHACHA 132 help 133 Length-preserving ciphers: ChaCha20, XChaCha20, and XChaCha12 134 stream cipher algorithms 135 136 Architecture: PowerPC64 137 - Power10 or later 138 - Little-endian 139 140config CRYPTO_POLY1305_P10 141 tristate "Hash functions: Poly1305 (P10 or later)" 142 depends on PPC64 && CPU_LITTLE_ENDIAN && VSX 143 select CRYPTO_HASH 144 select CRYPTO_LIB_POLY1305_GENERIC 145 help 146 Poly1305 authenticator algorithm (RFC7539) 147 148 Architecture: PowerPC64 149 - Power10 or later 150 - Little-endian 151 152config CRYPTO_DEV_VMX 153 bool "Support for VMX cryptographic acceleration instructions" 154 depends on PPC64 && VSX 155 help 156 Support for VMX cryptographic acceleration instructions. 157 158config CRYPTO_DEV_VMX_ENCRYPT 159 tristate "Encryption acceleration support on P8 CPU" 160 depends on CRYPTO_DEV_VMX 161 select CRYPTO_AES 162 select CRYPTO_CBC 163 select CRYPTO_CTR 164 select CRYPTO_GHASH 165 select CRYPTO_XTS 166 default m 167 help 168 Support for VMX cryptographic acceleration instructions on Power8 CPU. 169 This module supports acceleration for AES and GHASH in hardware. If you 170 choose 'M' here, this module will be called vmx-crypto. 171 172endmenu 173