1cc6ac5d6SJoseph Chen /* SPDX-License-Identifier: GPL-2.0+ */ 2cc6ac5d6SJoseph Chen /* 3cc6ac5d6SJoseph Chen * (C) Copyright 2019 Rockchip Electronics Co., Ltd 4cc6ac5d6SJoseph Chen */ 5cc6ac5d6SJoseph Chen 6cc6ac5d6SJoseph Chen #ifndef _CORE_CRYPTO_H_ 7cc6ac5d6SJoseph Chen #define _CORE_CRYPTO_H_ 8cc6ac5d6SJoseph Chen 9cc6ac5d6SJoseph Chen /* Algorithms/capability of crypto, works together with crypto_algo_nbits() */ 10cc6ac5d6SJoseph Chen #define CRYPTO_MD5 BIT(0) 11cc6ac5d6SJoseph Chen #define CRYPTO_SHA1 BIT(1) 12cc6ac5d6SJoseph Chen #define CRYPTO_SHA256 BIT(2) 13*e7846385SLin Jinhan #define CRYPTO_SHA512 BIT(3) 14*e7846385SLin Jinhan 15*e7846385SLin Jinhan #define CRYPTO_RSA512 BIT(10) 16*e7846385SLin Jinhan #define CRYPTO_RSA1024 BIT(11) 17*e7846385SLin Jinhan #define CRYPTO_RSA2048 BIT(12) 18*e7846385SLin Jinhan #define CRYPTO_RSA3072 BIT(13) 19*e7846385SLin Jinhan #define CRYPTO_RSA4096 BIT(14) 20cc6ac5d6SJoseph Chen 21cc6ac5d6SJoseph Chen #define BYTE2WORD(bytes) ((bytes) / 4) 22cc6ac5d6SJoseph Chen #define BITS2BYTE(nbits) ((nbits) / 8) 23cc6ac5d6SJoseph Chen #define BITS2WORD(nbits) ((nbits) / 32) 24cc6ac5d6SJoseph Chen 25cc6ac5d6SJoseph Chen typedef struct { 26cc6ac5d6SJoseph Chen u32 algo; /* Algorithm: CRYPTO_MD5/CRYPTO_SHA1/CRYPTO_RSA2048... */ 27cc6ac5d6SJoseph Chen u32 length; /* Data total length */ 28cc6ac5d6SJoseph Chen 29cc6ac5d6SJoseph Chen } sha_context; 30cc6ac5d6SJoseph Chen 31cc6ac5d6SJoseph Chen typedef struct { 32cc6ac5d6SJoseph Chen u32 algo; /* Algorithm: CRYPTO_MD5/CRYPTO_SHA1/CRYPTO_RSA2048... */ 33cc6ac5d6SJoseph Chen u32 *n; /* Public key factor N */ 34cc6ac5d6SJoseph Chen u32 *e; /* Public key factor E */ 35cc6ac5d6SJoseph Chen u32 *c; /* Optional, a accelerate factor for some crypto */ 36cc6ac5d6SJoseph Chen } rsa_key; 37cc6ac5d6SJoseph Chen 38cc6ac5d6SJoseph Chen struct dm_crypto_ops { 39cc6ac5d6SJoseph Chen /* Hardware algorithm capability */ 40cc6ac5d6SJoseph Chen u32 (*capability)(struct udevice *dev); 41cc6ac5d6SJoseph Chen 42cc6ac5d6SJoseph Chen /* SHA init/update/final */ 43cc6ac5d6SJoseph Chen int (*sha_init)(struct udevice *dev, sha_context *ctx); 44cc6ac5d6SJoseph Chen int (*sha_update)(struct udevice *dev, u32 *input, u32 len); 45cc6ac5d6SJoseph Chen int (*sha_final)(struct udevice *dev, sha_context *ctx, u8 *output); 46cc6ac5d6SJoseph Chen 47cc6ac5d6SJoseph Chen /* RSA verify */ 48cc6ac5d6SJoseph Chen int (*rsa_verify)(struct udevice *dev, rsa_key *ctx, 49cc6ac5d6SJoseph Chen u8 *sign, u8 *output); 50cc6ac5d6SJoseph Chen }; 51cc6ac5d6SJoseph Chen 52cc6ac5d6SJoseph Chen /** 53cc6ac5d6SJoseph Chen * crypto_algo_nbits() - Get algorithm bits accroding to algorithm 54cc6ac5d6SJoseph Chen * @capability: expected algorithm capability, eg. CRYPTO_MD5/RSA2048... 55cc6ac5d6SJoseph Chen * 56cc6ac5d6SJoseph Chen * @return algorithm bits 57cc6ac5d6SJoseph Chen */ 58cc6ac5d6SJoseph Chen u32 crypto_algo_nbits(u32 algo); 59cc6ac5d6SJoseph Chen 60cc6ac5d6SJoseph Chen /** 61cc6ac5d6SJoseph Chen * crypto_get_device() - Get crypto device by capability 62cc6ac5d6SJoseph Chen * @capability: expected algorithm capability, eg. CRYPTO_MD5/RSA2048... 63cc6ac5d6SJoseph Chen * 64cc6ac5d6SJoseph Chen * @return dev on success, otherwise NULL 65cc6ac5d6SJoseph Chen */ 66cc6ac5d6SJoseph Chen struct udevice *crypto_get_device(u32 capability); 67cc6ac5d6SJoseph Chen 68cc6ac5d6SJoseph Chen /** 69cc6ac5d6SJoseph Chen * crypto_sha_init() - Crypto sha init 70cc6ac5d6SJoseph Chen * 71cc6ac5d6SJoseph Chen * @dev: crypto device 72cc6ac5d6SJoseph Chen * @ctx: sha context 73cc6ac5d6SJoseph Chen * 74cc6ac5d6SJoseph Chen * @return 0 on success, otherwise failed 75cc6ac5d6SJoseph Chen */ 76cc6ac5d6SJoseph Chen int crypto_sha_init(struct udevice *dev, sha_context *ctx); 77cc6ac5d6SJoseph Chen 78cc6ac5d6SJoseph Chen /** 79cc6ac5d6SJoseph Chen * crypto_sha_update() - Crypto sha update 80cc6ac5d6SJoseph Chen * 81cc6ac5d6SJoseph Chen * @dev: crypto device 82cc6ac5d6SJoseph Chen * @input: input data buffer 83cc6ac5d6SJoseph Chen * @len: input data length 84cc6ac5d6SJoseph Chen * 85cc6ac5d6SJoseph Chen * @return 0 on success, otherwise failed 86cc6ac5d6SJoseph Chen */ 87cc6ac5d6SJoseph Chen int crypto_sha_update(struct udevice *dev, u32 *input, u32 len); 88cc6ac5d6SJoseph Chen 89cc6ac5d6SJoseph Chen /** 90cc6ac5d6SJoseph Chen * crypto_sha_final() - Crypto sha finish and get result 91cc6ac5d6SJoseph Chen * 92cc6ac5d6SJoseph Chen * @dev: crypto device 93cc6ac5d6SJoseph Chen * @ctx: sha context 94cc6ac5d6SJoseph Chen * @output: output hash data 95cc6ac5d6SJoseph Chen * 96cc6ac5d6SJoseph Chen * @return 0 on success, otherwise failed 97cc6ac5d6SJoseph Chen */ 98cc6ac5d6SJoseph Chen int crypto_sha_final(struct udevice *dev, sha_context *ctx, u8 *output); 99cc6ac5d6SJoseph Chen 100cc6ac5d6SJoseph Chen /** 101cc6ac5d6SJoseph Chen * crypto_sha_csum() - Crypto sha hash for one data block only 102cc6ac5d6SJoseph Chen * 103cc6ac5d6SJoseph Chen * @dev: crypto device 104cc6ac5d6SJoseph Chen * @ctx: sha context 105cc6ac5d6SJoseph Chen * @input: input data buffer 106cc6ac5d6SJoseph Chen * @input_len: input data length 107cc6ac5d6SJoseph Chen * @output: output hash data 108cc6ac5d6SJoseph Chen * 109cc6ac5d6SJoseph Chen * @return 0 on success, otherwise failed 110cc6ac5d6SJoseph Chen */ 111cc6ac5d6SJoseph Chen int crypto_sha_csum(struct udevice *dev, sha_context *ctx, 112cc6ac5d6SJoseph Chen char *input, u32 input_len, u8 *output); 113cc6ac5d6SJoseph Chen 114cc6ac5d6SJoseph Chen /** 115cc6ac5d6SJoseph Chen * crypto_rsa_verify() - Crypto rsa verify 116cc6ac5d6SJoseph Chen * 117cc6ac5d6SJoseph Chen * @dev: crypto device 118cc6ac5d6SJoseph Chen * @ctx: rsa key context 119cc6ac5d6SJoseph Chen * @sign: signature 120cc6ac5d6SJoseph Chen * @output: output hash data buffer 121cc6ac5d6SJoseph Chen * 122cc6ac5d6SJoseph Chen * @return 0 on success, otherwise failed 123cc6ac5d6SJoseph Chen */ 124cc6ac5d6SJoseph Chen int crypto_rsa_verify(struct udevice *dev, rsa_key *ctx, u8 *sign, u8 *output); 125cc6ac5d6SJoseph Chen 126cc6ac5d6SJoseph Chen #endif 127