From cf9610f9116d55c5a66ef9f1faecacabd93a9322 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Mon, 24 Aug 2026 08:46:03 -0700 Subject: Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control updates from Linus Walleij: "Core changes: - Use the non-blocking mux_state_try_select() in the generic MUX pin control back-end - Free pin maps on pinctrl_generic_to_map() failure in the core helpers New hardware pin control: - Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC (this is for the low power audio, LPASS = Low Power Audio SubSystem portions) - Upboard support on top of the Intel pin controller - Apple T6030 and T6031 support (just compatible strings) - Samsung Exynos 8855 SoC - Mediatek MT6858 SoC - Rockchip RK3308B and RV1106 SoCs - Airoha EN7523 and AN7563 SoCs Improvements: - Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable - Qualcomm improvements on top of the Qualcomm PDC (power domain controller) irqchip improvements from tglx:s tree - Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups - The NPCM8xx driver has been put into shape fixing many pin and group definitions - Some non-urgent Tegra 264 pin assignments are fixed up - Some non-urgent fixups to Airoha AN7581 and AN7583 registers and pin assignments, missing features etc" * tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits) dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema pinctrl: meson: sync some modify from A4 pinctrl: meson: a4: Add input enable pin configuration pinctrl: realtek: rtd1625: remove unused group name spdif_sel pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13 dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema Revert "Merge branch 'ib-rsk7204' into devel" pinctrl: rockchip: Add RV1106 pinctrl support dt-bindings: pinctrl: rockchip: Add RV1106 compatible pinctrl: rockchip: Decode drive strength in the get function pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable pinctrl: airoha: add support of an7563 SoC dt-bindings: pinctrl: airoha: add support of an7563 pin controller pinctrl: airoha: try to find chip scu node by phandle first pinctrl: airoha: add support of en7523 SoC dt-bindings: pinctrl: airoha: add support of en7523 pin controller pinctrl: airoha: an7583: add support for olt pinmux pinctrl: airoha: an7583: add support for pon_alt pinmux pinctrl: airoha: an7583: add support for npu_uart pinmux dt-bindings: pinctrl: airoha: an7583: add missed features ... --- include/crypto/md5.h | 210 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 210 insertions(+) create mode 100644 include/crypto/md5.h (limited to 'include/crypto/md5.h') diff --git a/include/crypto/md5.h b/include/crypto/md5.h new file mode 100644 index 000000000..c47aedfe6 --- /dev/null +++ b/include/crypto/md5.h @@ -0,0 +1,210 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _CRYPTO_MD5_H +#define _CRYPTO_MD5_H + +#include +#include + +#define MD5_DIGEST_SIZE 16 +#define MD5_HMAC_BLOCK_SIZE 64 +#define MD5_BLOCK_SIZE 64 +#define MD5_BLOCK_WORDS 16 +#define MD5_HASH_WORDS 4 +#define MD5_STATE_SIZE 24 + +#define MD5_H0 0x67452301UL +#define MD5_H1 0xefcdab89UL +#define MD5_H2 0x98badcfeUL +#define MD5_H3 0x10325476UL + +#define CRYPTO_MD5_STATESIZE \ + CRYPTO_HASH_STATESIZE(MD5_STATE_SIZE, MD5_HMAC_BLOCK_SIZE) + +extern const u8 md5_zero_message_hash[MD5_DIGEST_SIZE]; + +struct md5_state { + u32 hash[MD5_HASH_WORDS]; + u64 byte_count; + u32 block[MD5_BLOCK_WORDS]; +}; + +/* State for the MD5 compression function */ +struct md5_block_state { + u32 h[MD5_HASH_WORDS]; +}; + +/** + * struct md5_ctx - Context for hashing a message with MD5 + * @state: the compression function state + * @bytecount: number of bytes processed so far + * @buf: partial block buffer; bytecount % MD5_BLOCK_SIZE bytes are valid + */ +struct md5_ctx { + struct md5_block_state state; + u64 bytecount; + u8 buf[MD5_BLOCK_SIZE] __aligned(__alignof__(__le64)); +}; + +/** + * md5_init() - Initialize an MD5 context for a new message + * @ctx: the context to initialize + * + * If you don't need incremental computation, consider md5() instead. + * + * Context: Any context. + */ +void md5_init(struct md5_ctx *ctx); + +/** + * md5_update() - Update an MD5 context with message data + * @ctx: the context to update; must have been initialized + * @data: the message data + * @len: the data length in bytes + * + * This can be called any number of times. + * + * Context: Any context. + */ +void md5_update(struct md5_ctx *ctx, const u8 *data, size_t len); + +/** + * md5_final() - Finish computing an MD5 message digest + * @ctx: the context to finalize; must have been initialized + * @out: (output) the resulting MD5 message digest + * + * After finishing, this zeroizes @ctx. So the caller does not need to do it. + * + * Context: Any context. + */ +void md5_final(struct md5_ctx *ctx, u8 out[at_least MD5_DIGEST_SIZE]); + +/** + * md5() - Compute MD5 message digest in one shot + * @data: the message data + * @len: the data length in bytes + * @out: (output) the resulting MD5 message digest + * + * Context: Any context. + */ +void md5(const u8 *data, size_t len, u8 out[at_least MD5_DIGEST_SIZE]); + +/** + * struct hmac_md5_key - Prepared key for HMAC-MD5 + * @istate: private + * @ostate: private + */ +struct hmac_md5_key { + struct md5_block_state istate; + struct md5_block_state ostate; +}; + +/** + * struct hmac_md5_ctx - Context for computing HMAC-MD5 of a message + * @hash_ctx: private + * @ostate: private + */ +struct hmac_md5_ctx { + struct md5_ctx hash_ctx; + struct md5_block_state ostate; +}; + +/** + * hmac_md5_preparekey() - Prepare a key for HMAC-MD5 + * @key: (output) the key structure to initialize + * @raw_key: the raw HMAC-MD5 key + * @raw_key_len: the key length in bytes. All key lengths are supported. + * + * Note: the caller is responsible for zeroizing both the struct hmac_md5_key + * and the raw key once they are no longer needed. + * + * Context: Any context. + */ +void hmac_md5_preparekey(struct hmac_md5_key *key, + const u8 *raw_key, size_t raw_key_len); + +/** + * hmac_md5_init() - Initialize an HMAC-MD5 context for a new message + * @ctx: (output) the HMAC context to initialize + * @key: the prepared HMAC key + * + * If you don't need incremental computation, consider hmac_md5() instead. + * + * Context: Any context. + */ +void hmac_md5_init(struct hmac_md5_ctx *ctx, const struct hmac_md5_key *key); + +/** + * hmac_md5_init_usingrawkey() - Initialize an HMAC-MD5 context for a new + * message, using a raw key + * @ctx: (output) the HMAC context to initialize + * @raw_key: the raw HMAC-MD5 key + * @raw_key_len: the key length in bytes. All key lengths are supported. + * + * If you don't need incremental computation, consider hmac_md5_usingrawkey() + * instead. + * + * Context: Any context. + */ +void hmac_md5_init_usingrawkey(struct hmac_md5_ctx *ctx, + const u8 *raw_key, size_t raw_key_len); + +/** + * hmac_md5_update() - Update an HMAC-MD5 context with message data + * @ctx: the HMAC context to update; must have been initialized + * @data: the message data + * @data_len: the data length in bytes + * + * This can be called any number of times. + * + * Context: Any context. + */ +static inline void hmac_md5_update(struct hmac_md5_ctx *ctx, + const u8 *data, size_t data_len) +{ + md5_update(&ctx->hash_ctx, data, data_len); +} + +/** + * hmac_md5_final() - Finish computing an HMAC-MD5 value + * @ctx: the HMAC context to finalize; must have been initialized + * @out: (output) the resulting HMAC-MD5 value + * + * After finishing, this zeroizes @ctx. So the caller does not need to do it. + * + * Context: Any context. + */ +void hmac_md5_final(struct hmac_md5_ctx *ctx, u8 out[at_least MD5_DIGEST_SIZE]); + +/** + * hmac_md5() - Compute HMAC-MD5 in one shot, using a prepared key + * @key: the prepared HMAC key + * @data: the message data + * @data_len: the data length in bytes + * @out: (output) the resulting HMAC-MD5 value + * + * If you're using the key only once, consider using hmac_md5_usingrawkey(). + * + * Context: Any context. + */ +void hmac_md5(const struct hmac_md5_key *key, + const u8 *data, size_t data_len, + u8 out[at_least MD5_DIGEST_SIZE]); + +/** + * hmac_md5_usingrawkey() - Compute HMAC-MD5 in one shot, using a raw key + * @raw_key: the raw HMAC-MD5 key + * @raw_key_len: the key length in bytes. All key lengths are supported. + * @data: the message data + * @data_len: the data length in bytes + * @out: (output) the resulting HMAC-MD5 value + * + * If you're using the key multiple times, prefer to use hmac_md5_preparekey() + * followed by multiple calls to hmac_md5() instead. + * + * Context: Any context. + */ +void hmac_md5_usingrawkey(const u8 *raw_key, size_t raw_key_len, + const u8 *data, size_t data_len, + u8 out[at_least MD5_DIGEST_SIZE]); + +#endif /* _CRYPTO_MD5_H */ -- cgit v1.3.1