16a490a4eSRobert Elliott# SPDX-License-Identifier: GPL-2.0 26a490a4eSRobert Elliott 36a490a4eSRobert Elliottmenu "Accelerated Cryptographic Algorithms for CPU (powerpc)" 46a490a4eSRobert Elliott 56a490a4eSRobert Elliottconfig CRYPTO_CRC32C_VPMSUM 6ec84348dSRobert Elliott tristate "CRC32c" 76a490a4eSRobert Elliott depends on PPC64 && ALTIVEC 86a490a4eSRobert Elliott select CRYPTO_HASH 96a490a4eSRobert Elliott select CRC32 106a490a4eSRobert Elliott help 11ec84348dSRobert Elliott CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720) 12ec84348dSRobert Elliott 13ec84348dSRobert Elliott Architecture: powerpc64 using 14ec84348dSRobert Elliott - AltiVec extensions 15ec84348dSRobert Elliott 16ec84348dSRobert Elliott Enable on POWER8 and newer processors for improved performance. 176a490a4eSRobert Elliott 186a490a4eSRobert Elliottconfig CRYPTO_CRCT10DIF_VPMSUM 19ec84348dSRobert Elliott tristate "CRC32T10DIF" 206a490a4eSRobert Elliott depends on PPC64 && ALTIVEC && CRC_T10DIF 216a490a4eSRobert Elliott select CRYPTO_HASH 226a490a4eSRobert Elliott help 23ec84348dSRobert Elliott CRC16 CRC algorithm used for the T10 (SCSI) Data Integrity Field (DIF) 24ec84348dSRobert Elliott 25ec84348dSRobert Elliott Architecture: powerpc64 using 26ec84348dSRobert Elliott - AltiVec extensions 27ec84348dSRobert Elliott 28ec84348dSRobert Elliott Enable on POWER8 and newer processors for improved performance. 296a490a4eSRobert Elliott 306a490a4eSRobert Elliottconfig CRYPTO_VPMSUM_TESTER 31ec84348dSRobert Elliott tristate "CRC32c and CRC32T10DIF hardware acceleration tester" 326a490a4eSRobert Elliott depends on CRYPTO_CRCT10DIF_VPMSUM && CRYPTO_CRC32C_VPMSUM 336a490a4eSRobert Elliott help 34ec84348dSRobert Elliott Stress test for CRC32c and CRCT10DIF algorithms implemented with 35ec84348dSRobert Elliott powerpc64 AltiVec extensions (POWER8 vpmsum instructions). 366a490a4eSRobert Elliott Unless you are testing these algorithms, you don't need this. 376a490a4eSRobert Elliott 386a490a4eSRobert Elliottconfig CRYPTO_MD5_PPC 393f342a23SRobert Elliott tristate "Digests: MD5" 406a490a4eSRobert Elliott depends on PPC 416a490a4eSRobert Elliott select CRYPTO_HASH 426a490a4eSRobert Elliott help 433f342a23SRobert Elliott MD5 message digest algorithm (RFC1321) 443f342a23SRobert Elliott 453f342a23SRobert Elliott Architecture: powerpc 466a490a4eSRobert Elliott 476a490a4eSRobert Elliottconfig CRYPTO_SHA1_PPC 483f342a23SRobert Elliott tristate "Hash functions: SHA-1" 496a490a4eSRobert Elliott depends on PPC 506a490a4eSRobert Elliott help 513f342a23SRobert Elliott SHA-1 secure hash algorithm (FIPS 180) 523f342a23SRobert Elliott 533f342a23SRobert Elliott Architecture: powerpc 546a490a4eSRobert Elliott 556a490a4eSRobert Elliottconfig CRYPTO_SHA1_PPC_SPE 563f342a23SRobert Elliott tristate "Hash functions: SHA-1 (SPE)" 576a490a4eSRobert Elliott depends on PPC && SPE 586a490a4eSRobert Elliott help 593f342a23SRobert Elliott SHA-1 secure hash algorithm (FIPS 180) 603f342a23SRobert Elliott 613f342a23SRobert Elliott Architecture: powerpc using 623f342a23SRobert Elliott - SPE (Signal Processing Engine) extensions 636a490a4eSRobert Elliott 646a490a4eSRobert Elliottconfig CRYPTO_SHA256_PPC_SPE 653f342a23SRobert Elliott tristate "Hash functions: SHA-224 and SHA-256 (SPE)" 666a490a4eSRobert Elliott depends on PPC && SPE 676a490a4eSRobert Elliott select CRYPTO_SHA256 686a490a4eSRobert Elliott select CRYPTO_HASH 696a490a4eSRobert Elliott help 703f342a23SRobert Elliott SHA-224 and SHA-256 secure hash algorithms (FIPS 180) 713f342a23SRobert Elliott 723f342a23SRobert Elliott Architecture: powerpc using 733f342a23SRobert Elliott - SPE (Signal Processing Engine) extensions 746a490a4eSRobert Elliott 756a490a4eSRobert Elliottconfig CRYPTO_AES_PPC_SPE 76cf514b2aSRobert Elliott tristate "Ciphers: AES, modes: ECB/CBC/CTR/XTS (SPE)" 776a490a4eSRobert Elliott depends on PPC && SPE 786a490a4eSRobert Elliott select CRYPTO_SKCIPHER 796a490a4eSRobert Elliott help 80cf514b2aSRobert Elliott Block ciphers: AES cipher algorithms (FIPS-197) 81cf514b2aSRobert Elliott Length-preserving ciphers: AES with ECB, CBC, CTR, and XTS modes 82cf514b2aSRobert Elliott 83cf514b2aSRobert Elliott Architecture: powerpc using: 84cf514b2aSRobert Elliott - SPE (Signal Processing Engine) extensions 85cf514b2aSRobert Elliott 86cf514b2aSRobert Elliott SPE is available for: 87cf514b2aSRobert Elliott - Processor Type: Freescale 8500 88cf514b2aSRobert Elliott - CPU selection: e500 (8540) 89cf514b2aSRobert Elliott 906a490a4eSRobert Elliott This module should only be used for low power (router) devices 916a490a4eSRobert Elliott without hardware AES acceleration (e.g. caam crypto). It reduces the 926a490a4eSRobert Elliott size of the AES tables from 16KB to 8KB + 256 bytes and mitigates 936a490a4eSRobert Elliott timining attacks. Nevertheless it might be not as secure as other 946a490a4eSRobert Elliott architecture specific assembler implementations that work on 1KB 956a490a4eSRobert Elliott tables or 256 bytes S-boxes. 966a490a4eSRobert Elliott 9745a4672bSDanny Tsenconfig CRYPTO_AES_GCM_P10 9845a4672bSDanny Tsen tristate "Stitched AES/GCM acceleration support on P10 or later CPU (PPC)" 998133a3f0SMichael Ellerman depends on PPC64 && CPU_LITTLE_ENDIAN && VSX 10045a4672bSDanny Tsen select CRYPTO_LIB_AES 10145a4672bSDanny Tsen select CRYPTO_ALGAPI 10245a4672bSDanny Tsen select CRYPTO_AEAD 103*9d6e1c21SOmar Sandoval select CRYPTO_SKCIPHER 10445a4672bSDanny Tsen default m 10545a4672bSDanny Tsen help 10645a4672bSDanny Tsen AEAD cipher: AES cipher algorithms (FIPS-197) 10745a4672bSDanny Tsen GCM (Galois/Counter Mode) authenticated encryption mode (NIST SP800-38D) 10845a4672bSDanny Tsen Architecture: powerpc64 using: 10945a4672bSDanny Tsen - little-endian 11045a4672bSDanny Tsen - Power10 or later features 11145a4672bSDanny Tsen 11245a4672bSDanny Tsen Support for cryptographic acceleration instructions on Power10 or 11345a4672bSDanny Tsen later CPU. This module supports stitched acceleration for AES/GCM. 11445a4672bSDanny Tsen 1156a490a4eSRobert Elliottendmenu 116