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linux-stable/arch/riscv/crypto/Kconfig

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RISC-V: hook new crypto subdir into build-system Create a crypto subdirectory for added accelerated cryptography routines and hook it into the riscv Kbuild and the main crypto Kconfig. Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Reviewed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Jerry Shih <jerry.shih@sifive.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240122002024.27477-4-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-01-22 00:19:14 +00:00
# SPDX-License-Identifier: GPL-2.0
menu "Accelerated Cryptographic Algorithms for CPU (riscv)"
crypto: riscv - add vector crypto accelerated AES-{ECB,CBC,CTR,XTS} Add implementations of AES-ECB, AES-CBC, AES-CTR, and AES-XTS, as well as bare (single-block) AES, using the RISC-V vector crypto extensions. The assembly code is derived from OpenSSL code (openssl/openssl#21923) that was dual-licensed so that it could be reused in the kernel. Nevertheless, the assembly has been significantly reworked for integration with the kernel, for example by using regular .S files instead of the so-called perlasm, using the assembler instead of bare '.inst', greatly reducing code duplication, supporting AES-192, and making the code use the same AES key structure as the C code. Co-developed-by: Phoebe Chen <phoebe.chen@sifive.com> Signed-off-by: Phoebe Chen <phoebe.chen@sifive.com> Signed-off-by: Jerry Shih <jerry.shih@sifive.com> Co-developed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240122002024.27477-5-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-01-22 00:19:15 +00:00
config CRYPTO_AES_RISCV64
crypto: riscv - add vector crypto accelerated AES-CBC-CTS Add an implementation of cts(cbc(aes)) accelerated using the Zvkned RISC-V vector crypto extension. This is mainly useful for fscrypt, where cts(cbc(aes)) is the "default" filenames encryption algorithm. In that use case, typically most messages are short and are block-aligned. The CBC-CTS variant implemented is CS3; this is the variant Linux uses. To perform well on short messages, the new implementation processes the full message in one call to the assembly function if the data is contiguous. Otherwise it falls back to CBC operations followed by CTS at the end. For decryption, to further improve performance on short messages, especially block-aligned messages, the CBC-CTS assembly function parallelizes the AES decryption of all full blocks. This improves on the arm64 implementation of cts(cbc(aes)), which always splits the CBC part(s) from the CTS part, doing the AES decryptions for the last two blocks serially and usually loading the round keys twice. Tested in QEMU with CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y. Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240213055442.35954-1-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-02-13 05:54:42 +00:00
tristate "Ciphers: AES, modes: ECB, CBC, CTS, CTR, XTS"
crypto: riscv - add vector crypto accelerated AES-{ECB,CBC,CTR,XTS} Add implementations of AES-ECB, AES-CBC, AES-CTR, and AES-XTS, as well as bare (single-block) AES, using the RISC-V vector crypto extensions. The assembly code is derived from OpenSSL code (openssl/openssl#21923) that was dual-licensed so that it could be reused in the kernel. Nevertheless, the assembly has been significantly reworked for integration with the kernel, for example by using regular .S files instead of the so-called perlasm, using the assembler instead of bare '.inst', greatly reducing code duplication, supporting AES-192, and making the code use the same AES key structure as the C code. Co-developed-by: Phoebe Chen <phoebe.chen@sifive.com> Signed-off-by: Phoebe Chen <phoebe.chen@sifive.com> Signed-off-by: Jerry Shih <jerry.shih@sifive.com> Co-developed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240122002024.27477-5-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-01-22 00:19:15 +00:00
depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
select CRYPTO_ALGAPI
select CRYPTO_LIB_AES
select CRYPTO_SKCIPHER
help
Block cipher: AES cipher algorithms
crypto: riscv - add vector crypto accelerated AES-CBC-CTS Add an implementation of cts(cbc(aes)) accelerated using the Zvkned RISC-V vector crypto extension. This is mainly useful for fscrypt, where cts(cbc(aes)) is the "default" filenames encryption algorithm. In that use case, typically most messages are short and are block-aligned. The CBC-CTS variant implemented is CS3; this is the variant Linux uses. To perform well on short messages, the new implementation processes the full message in one call to the assembly function if the data is contiguous. Otherwise it falls back to CBC operations followed by CTS at the end. For decryption, to further improve performance on short messages, especially block-aligned messages, the CBC-CTS assembly function parallelizes the AES decryption of all full blocks. This improves on the arm64 implementation of cts(cbc(aes)), which always splits the CBC part(s) from the CTS part, doing the AES decryptions for the last two blocks serially and usually loading the round keys twice. Tested in QEMU with CONFIG_CRYPTO_MANAGER_EXTRA_TESTS=y. Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240213055442.35954-1-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-02-13 05:54:42 +00:00
Length-preserving ciphers: AES with ECB, CBC, CTS, CTR, XTS
crypto: riscv - add vector crypto accelerated AES-{ECB,CBC,CTR,XTS} Add implementations of AES-ECB, AES-CBC, AES-CTR, and AES-XTS, as well as bare (single-block) AES, using the RISC-V vector crypto extensions. The assembly code is derived from OpenSSL code (openssl/openssl#21923) that was dual-licensed so that it could be reused in the kernel. Nevertheless, the assembly has been significantly reworked for integration with the kernel, for example by using regular .S files instead of the so-called perlasm, using the assembler instead of bare '.inst', greatly reducing code duplication, supporting AES-192, and making the code use the same AES key structure as the C code. Co-developed-by: Phoebe Chen <phoebe.chen@sifive.com> Signed-off-by: Phoebe Chen <phoebe.chen@sifive.com> Signed-off-by: Jerry Shih <jerry.shih@sifive.com> Co-developed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240122002024.27477-5-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-01-22 00:19:15 +00:00
Architecture: riscv64 using:
- Zvkned vector crypto extension
- Zvbb vector extension (XTS)
- Zvkb vector crypto extension (CTR)
- Zvkg vector crypto extension (XTS)
crypto: riscv - add vector crypto accelerated ChaCha20 Add an implementation of ChaCha20 using the Zvkb extension. The assembly code is derived from OpenSSL code (openssl/openssl#21923) that was dual-licensed so that it could be reused in the kernel. Nevertheless, the assembly has been significantly reworked for integration with the kernel, for example by using a regular .S file instead of the so-called perlasm, using the assembler instead of bare '.inst', and reducing code duplication. Signed-off-by: Jerry Shih <jerry.shih@sifive.com> Co-developed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240122002024.27477-6-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-01-22 00:19:16 +00:00
config CRYPTO_CHACHA_RISCV64
tristate "Ciphers: ChaCha"
depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
select CRYPTO_SKCIPHER
select CRYPTO_LIB_CHACHA_GENERIC
help
Length-preserving ciphers: ChaCha20 stream cipher algorithm
Architecture: riscv64 using:
- Zvkb vector crypto extension
crypto: riscv - add vector crypto accelerated GHASH Add an implementation of GHASH using the zvkg extension. The assembly code is derived from OpenSSL code (openssl/openssl#21923) that was dual-licensed so that it could be reused in the kernel. Nevertheless, the assembly has been significantly reworked for integration with the kernel, for example by using a regular .S file instead of the so-called perlasm, using the assembler instead of bare '.inst', reducing code duplication, and eliminating unnecessary endianness conversions. Co-developed-by: Christoph Müllner <christoph.muellner@vrull.eu> Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu> Co-developed-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Signed-off-by: Jerry Shih <jerry.shih@sifive.com> Co-developed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240122002024.27477-7-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-01-22 00:19:17 +00:00
config CRYPTO_GHASH_RISCV64
tristate "Hash functions: GHASH"
depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
select CRYPTO_GCM
help
GCM GHASH function (NIST SP 800-38D)
Architecture: riscv64 using:
- Zvkg vector crypto extension
crypto: riscv - add vector crypto accelerated SHA-{256,224} Add an implementation of SHA-256 and SHA-224 using the Zvknha or Zvknhb extension. The assembly code is derived from OpenSSL code (openssl/openssl#21923) that was dual-licensed so that it could be reused in the kernel. Nevertheless, the assembly has been significantly reworked for integration with the kernel, for example by using a regular .S file instead of the so-called perlasm, using the assembler instead of bare '.inst', and greatly reducing code duplication. Co-developed-by: Charalampos Mitrodimas <charalampos.mitrodimas@vrull.eu> Signed-off-by: Charalampos Mitrodimas <charalampos.mitrodimas@vrull.eu> Co-developed-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Co-developed-by: Phoebe Chen <phoebe.chen@sifive.com> Signed-off-by: Phoebe Chen <phoebe.chen@sifive.com> Signed-off-by: Jerry Shih <jerry.shih@sifive.com> Co-developed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240122002024.27477-8-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-01-22 00:19:18 +00:00
config CRYPTO_SHA256_RISCV64
tristate "Hash functions: SHA-224 and SHA-256"
depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
select CRYPTO_SHA256
help
SHA-224 and SHA-256 secure hash algorithm (FIPS 180)
Architecture: riscv64 using:
- Zvknha or Zvknhb vector crypto extensions
- Zvkb vector crypto extension
crypto: riscv - add vector crypto accelerated SHA-{512,384} Add an implementation of SHA-512 and SHA-384 using the Zvknhb extension. The assembly code is derived from OpenSSL code (openssl/openssl#21923) that was dual-licensed so that it could be reused in the kernel. Nevertheless, the assembly has been significantly reworked for integration with the kernel, for example by using a regular .S file instead of the so-called perlasm, using the assembler instead of bare '.inst', and greatly reducing code duplication. Co-developed-by: Charalampos Mitrodimas <charalampos.mitrodimas@vrull.eu> Signed-off-by: Charalampos Mitrodimas <charalampos.mitrodimas@vrull.eu> Co-developed-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Co-developed-by: Phoebe Chen <phoebe.chen@sifive.com> Signed-off-by: Phoebe Chen <phoebe.chen@sifive.com> Signed-off-by: Jerry Shih <jerry.shih@sifive.com> Co-developed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240122002024.27477-9-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-01-22 00:19:19 +00:00
config CRYPTO_SHA512_RISCV64
tristate "Hash functions: SHA-384 and SHA-512"
depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
select CRYPTO_SHA512
help
SHA-384 and SHA-512 secure hash algorithm (FIPS 180)
Architecture: riscv64 using:
- Zvknhb vector crypto extension
- Zvkb vector crypto extension
crypto: riscv - add vector crypto accelerated SM3 Add an implementation of SM3 using the Zvksh extension. The assembly code is derived from OpenSSL code (openssl/openssl#21923) that was dual-licensed so that it could be reused in the kernel. Nevertheless, the assembly has been significantly reworked for integration with the kernel, for example by using a regular .S file instead of the so-called perlasm, using the assembler instead of bare '.inst', and greatly reducing code duplication. Co-developed-by: Christoph Müllner <christoph.muellner@vrull.eu> Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu> Co-developed-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Signed-off-by: Jerry Shih <jerry.shih@sifive.com> Co-developed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240122002024.27477-10-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-01-22 00:19:20 +00:00
config CRYPTO_SM3_RISCV64
tristate "Hash functions: SM3 (ShangMi 3)"
depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
select CRYPTO_HASH
select CRYPTO_SM3
help
SM3 (ShangMi 3) secure hash function (OSCCA GM/T 0004-2012)
Architecture: riscv64 using:
- Zvksh vector crypto extension
- Zvkb vector crypto extension
crypto: riscv - add vector crypto accelerated SM4 Add an implementation of SM4 using the Zvksed extension. The assembly code is derived from OpenSSL code (openssl/openssl#21923) that was dual-licensed so that it could be reused in the kernel. Nevertheless, the assembly has been significantly reworked for integration with the kernel, for example by using a regular .S file instead of the so-called perlasm, using the assembler instead of bare '.inst', and greatly reducing code duplication. Co-developed-by: Christoph Müllner <christoph.muellner@vrull.eu> Signed-off-by: Christoph Müllner <christoph.muellner@vrull.eu> Co-developed-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Signed-off-by: Jerry Shih <jerry.shih@sifive.com> Co-developed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240122002024.27477-11-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-01-22 00:19:21 +00:00
config CRYPTO_SM4_RISCV64
tristate "Ciphers: SM4 (ShangMi 4)"
depends on 64BIT && RISCV_ISA_V && TOOLCHAIN_HAS_VECTOR_CRYPTO
select CRYPTO_ALGAPI
select CRYPTO_SM4
help
SM4 block cipher algorithm (OSCCA GB/T 32907-2016,
ISO/IEC 18033-3:2010/Amd 1:2021)
SM4 (GBT.32907-2016) is a cryptographic standard issued by the
Organization of State Commercial Administration of China (OSCCA)
as an authorized cryptographic algorithm for use within China.
Architecture: riscv64 using:
- Zvksed vector crypto extension
- Zvkb vector crypto extension
RISC-V: hook new crypto subdir into build-system Create a crypto subdirectory for added accelerated cryptography routines and hook it into the riscv Kbuild and the main crypto Kconfig. Signed-off-by: Heiko Stuebner <heiko.stuebner@vrull.eu> Reviewed-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Jerry Shih <jerry.shih@sifive.com> Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20240122002024.27477-4-ebiggers@kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2024-01-22 00:19:14 +00:00
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