From 5d1d98399f71a73c1353ed2384293ca14a2d086c Mon Sep 17 00:00:00 2001 From: Raymond Mao Date: Thu, 3 Oct 2024 14:50:16 -0700 Subject: [PATCH] lib: Adapt digest header files to MbedTLS Adapt digest header files to support both original libs and MbedTLS by switching on/off MBEDTLS_LIB_CRYPTO. Introduce _LEGACY kconfig for legacy hash implementations. sha256.o should depend on SHA256 kconfig only but not SUPPORT_EMMC_RPMB, SHA256 should be selected when SUPPORT_EMMC_RPMB is enabled instead. `IS_ENABLED` or `CONFIG_IS_ENABLED` is not applicable here, since including causes undefined reference on schedule() with sandbox build, as includes which enables `CONFIG_HW_WATCHDOG` and `CONFIG_WATCHDOG` but no schedule() are defined in sandbox build, Thus we use `#if defined(CONFIG_MBEDTLS_LIB_CRYPTO)` instead. Signed-off-by: Raymond Mao Reviewed-by: Ilias Apalodimas --- drivers/mmc/Kconfig | 1 + include/u-boot/md5.h | 7 ++++ include/u-boot/sha1.h | 21 +++++++++- include/u-boot/sha256.h | 20 +++++++++ include/u-boot/sha512.h | 9 ++++ lib/Makefile | 11 ++--- lib/mbedtls/Kconfig | 91 +++++++++++++++++++++++++++++++++++++++++ 7 files changed, 154 insertions(+), 6 deletions(-) diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig index 22c65681f0..38817622fc 100644 --- a/drivers/mmc/Kconfig +++ b/drivers/mmc/Kconfig @@ -130,6 +130,7 @@ config MMC_HW_PARTITIONING config SUPPORT_EMMC_RPMB bool "Support eMMC replay protected memory block (RPMB)" imply CMD_MMC_RPMB + select SHA256 help Enable support for reading, writing and programming the key for the Replay Protection Memory Block partition in eMMC. diff --git a/include/u-boot/md5.h b/include/u-boot/md5.h index c465925ea8..69898fcbe4 100644 --- a/include/u-boot/md5.h +++ b/include/u-boot/md5.h @@ -6,10 +6,16 @@ #ifndef _MD5_H #define _MD5_H +#if defined(CONFIG_MBEDTLS_LIB_CRYPTO) +#include +#endif #include "compiler.h" #define MD5_SUM_LEN 16 +#if defined(CONFIG_MBEDTLS_LIB_CRYPTO) +typedef mbedtls_md5_context MD5Context; +#else typedef struct MD5Context { __u32 buf[4]; __u32 bits[2]; @@ -18,6 +24,7 @@ typedef struct MD5Context { __u32 in32[16]; }; } MD5Context; +#endif void MD5Init(MD5Context *ctx); void MD5Update(MD5Context *ctx, unsigned char const *buf, unsigned int len); diff --git a/include/u-boot/sha1.h b/include/u-boot/sha1.h index c1e9f67068..ab88134fb9 100644 --- a/include/u-boot/sha1.h +++ b/include/u-boot/sha1.h @@ -16,6 +16,21 @@ #include +#if defined(CONFIG_MBEDTLS_LIB_CRYPTO) +/* + * FIXME: + * MbedTLS define the members of "mbedtls_sha256_context" as private, + * but "state" needs to be access by arch/arm/cpu/armv8/sha1_ce_glue. + * MBEDTLS_ALLOW_PRIVATE_ACCESS needs to be enabled to allow the external + * access. + * Directly including is not allowed, + * since this will include and break the sandbox test. + */ +#define MBEDTLS_ALLOW_PRIVATE_ACCESS + +#include +#endif + #ifdef __cplusplus extern "C" { #endif @@ -26,6 +41,9 @@ extern "C" { extern const uint8_t sha1_der_prefix[]; +#if defined(CONFIG_MBEDTLS_LIB_CRYPTO) +typedef mbedtls_sha1_context sha1_context; +#else /** * \brief SHA-1 context structure */ @@ -36,13 +54,14 @@ typedef struct unsigned char buffer[64]; /*!< data block being processed */ } sha1_context; +#endif /** * \brief SHA-1 context setup * * \param ctx SHA-1 context to be initialized */ -void sha1_starts( sha1_context *ctx ); +void sha1_starts(sha1_context *ctx); /** * \brief SHA-1 process buffer diff --git a/include/u-boot/sha256.h b/include/u-boot/sha256.h index a4fe176c0b..b58d5b58d3 100644 --- a/include/u-boot/sha256.h +++ b/include/u-boot/sha256.h @@ -3,6 +3,22 @@ #include +#if defined(CONFIG_MBEDTLS_LIB_CRYPTO) +/* + * FIXME: + * MbedTLS define the members of "mbedtls_sha256_context" as private, + * but "state" needs to be access by arch/arm/cpu/armv8/sha256_ce_glue. + * MBEDTLS_ALLOW_PRIVATE_ACCESS needs to be enabled to allow the external + * access. + * Directly including is not allowed, + * since this will include and break the sandbox test. + */ +#define MBEDTLS_ALLOW_PRIVATE_ACCESS + +#include +#endif + +#define SHA224_SUM_LEN 28 #define SHA256_SUM_LEN 32 #define SHA256_DER_LEN 19 @@ -11,11 +27,15 @@ extern const uint8_t sha256_der_prefix[]; /* Reset watchdog each time we process this many bytes */ #define CHUNKSZ_SHA256 (64 * 1024) +#if defined(CONFIG_MBEDTLS_LIB_CRYPTO) +typedef mbedtls_sha256_context sha256_context; +#else typedef struct { uint32_t total[2]; uint32_t state[8]; uint8_t buffer[64]; } sha256_context; +#endif void sha256_starts(sha256_context * ctx); void sha256_update(sha256_context *ctx, const uint8_t *input, uint32_t length); diff --git a/include/u-boot/sha512.h b/include/u-boot/sha512.h index 83c2119cd2..7e10f590a1 100644 --- a/include/u-boot/sha512.h +++ b/include/u-boot/sha512.h @@ -3,6 +3,10 @@ #include +#if defined(CONFIG_MBEDTLS_LIB_CRYPTO) +#include +#endif + #define SHA384_SUM_LEN 48 #define SHA384_DER_LEN 19 #define SHA512_SUM_LEN 64 @@ -12,11 +16,16 @@ #define CHUNKSZ_SHA384 (16 * 1024) #define CHUNKSZ_SHA512 (16 * 1024) +#if defined(CONFIG_MBEDTLS_LIB_CRYPTO) +typedef mbedtls_sha512_context sha384_context; +typedef mbedtls_sha512_context sha512_context; +#else typedef struct { uint64_t state[SHA512_SUM_LEN / 8]; uint64_t count[2]; uint8_t buf[SHA512_BLOCK_SIZE]; } sha512_context; +#endif extern const uint8_t sha512_der_prefix[]; diff --git a/lib/Makefile b/lib/Makefile index c4950b78a2..3375577828 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -50,7 +50,6 @@ obj-$(CONFIG_XXHASH) += xxhash.o obj-y += net_utils.o obj-$(CONFIG_PHYSMEM) += physmem.o obj-y += rc4.o -obj-$(CONFIG_SUPPORT_EMMC_RPMB) += sha256.o obj-$(CONFIG_RBTREE) += rbtree.o obj-$(CONFIG_BITREVERSE) += bitrev.o obj-y += list_sort.o @@ -71,14 +70,16 @@ obj-$(CONFIG_$(SPL_TPL_)CRC16) += crc16.o obj-y += crypto/ obj-$(CONFIG_$(SPL_TPL_)ACPI) += acpi/ -obj-$(CONFIG_$(SPL_)MD5) += md5.o obj-$(CONFIG_ECDSA) += ecdsa/ obj-$(CONFIG_$(SPL_)RSA) += rsa/ obj-$(CONFIG_HASH) += hash-checksum.o obj-$(CONFIG_BLAKE2) += blake2/blake2b.o -obj-$(CONFIG_$(SPL_)SHA1) += sha1.o -obj-$(CONFIG_$(SPL_)SHA256) += sha256.o -obj-$(CONFIG_$(SPL_)SHA512) += sha512.o + +obj-$(CONFIG_$(SPL_)MD5_LEGACY) += md5.o +obj-$(CONFIG_$(SPL_)SHA1_LEGACY) += sha1.o +obj-$(CONFIG_$(SPL_)SHA256_LEGACY) += sha256.o +obj-$(CONFIG_$(SPL_)SHA512_LEGACY) += sha512.o + obj-$(CONFIG_CRYPT_PW) += crypt/ obj-$(CONFIG_$(SPL_)ASN1_DECODER) += asn1_decoder.o diff --git a/lib/mbedtls/Kconfig b/lib/mbedtls/Kconfig index 9d1a63c1ca..8a7b3a30c0 100644 --- a/lib/mbedtls/Kconfig +++ b/lib/mbedtls/Kconfig @@ -20,9 +20,100 @@ if LEGACY_CRYPTO || MBEDTLS_LIB_CRYPTO_ALT config LEGACY_CRYPTO_BASIC bool "legacy basic crypto libraries" + select MD5_LEGACY if MD5 + select SHA1_LEGACY if SHA1 + select SHA256_LEGACY if SHA256 + select SHA512_LEGACY if SHA512 + select SHA384_LEGACY if SHA384 + select SPL_MD5_LEGACY if SPL_MD5 + select SPL_SHA1_LEGACY if SPL_SHA1 + select SPL_SHA256_LEGACY if SPL_SHA256 + select SPL_SHA512_LEGACY if SPL_SHA512 + select SPL_SHA384_LEGACY if SPL_SHA384 help Enable legacy basic crypto libraries. +if LEGACY_CRYPTO_BASIC + +config SHA1_LEGACY + bool "Enable SHA1 support with legacy crypto library" + depends on LEGACY_CRYPTO_BASIC && SHA1 + help + This option enables support of hashing using SHA1 algorithm + with legacy crypto library. + +config SHA256_LEGACY + bool "Enable SHA256 support with legacy crypto library" + depends on LEGACY_CRYPTO_BASIC && SHA256 + help + This option enables support of hashing using SHA256 algorithm + with legacy crypto library. + +config SHA512_LEGACY + bool "Enable SHA512 support with legacy crypto library" + depends on LEGACY_CRYPTO_BASIC && SHA512 + default y if TI_SECURE_DEVICE && FIT_SIGNATURE + help + This option enables support of hashing using SHA512 algorithm + with legacy crypto library. + +config SHA384_LEGACY + bool "Enable SHA384 support with legacy crypto library" + depends on LEGACY_CRYPTO_BASIC && SHA384 + select SHA512_LEGACY + help + This option enables support of hashing using SHA384 algorithm + with legacy crypto library. + +config MD5_LEGACY + bool "Enable MD5 support with legacy crypto library" + depends on LEGACY_CRYPTO_BASIC && MD5 + help + This option enables support of hashing using MD5 algorithm + with legacy crypto library. + +if SPL + +config SPL_SHA1_LEGACY + bool "Enable SHA1 support in SPL with legacy crypto library" + depends on LEGACY_CRYPTO_BASIC && SPL_SHA1 + help + This option enables support of hashing using SHA1 algorithm + with legacy crypto library. + +config SPL_SHA256_LEGACY + bool "Enable SHA256 support in SPL with legacy crypto library" + depends on LEGACY_CRYPTO_BASIC && SPL_SHA256 + help + This option enables support of hashing using SHA256 algorithm + with legacy crypto library. + +config SPL_SHA512_LEGACY + bool "Enable SHA512 support in SPL with legacy crypto library" + depends on LEGACY_CRYPTO_BASIC && SPL_SHA512 + help + This option enables support of hashing using SHA512 algorithm + with legacy crypto library. + +config SPL_SHA384_LEGACY + bool "Enable SHA384 support in SPL with legacy crypto library" + depends on LEGACY_CRYPTO_BASIC && SPL_SHA384 + select SPL_SHA512_LEGACY + help + This option enables support of hashing using SHA384 algorithm + with legacy crypto library. + +config SPL_MD5_LEGACY + bool "Enable MD5 support in SPL with legacy crypto library" + depends on LEGACY_CRYPTO_BASIC && SPL_MD5 + help + This option enables support of hashing using MD5 algorithm + with legacy crypto library. + +endif # SPL + +endif # LEGACY_CRYPTO_BASIC + config LEGACY_CRYPTO_CERT bool "legacy certificate libraries" help -- 2.39.5