| /* |
| * Copyright (c) 2019, Remi Pommarel <repk@triplefau.lt> |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| #ifndef SHA_DMA_H |
| #define SHA_DMA_H |
| |
| #define SHA256_HASHSZ 32 |
| #define SHA256_BLOCKSZ 0x40 |
| |
| enum ASD_MODE { |
| ASM_INVAL, |
| ASM_SHA256, |
| ASM_SHA224, |
| }; |
| |
| struct asd_ctx { |
| uint8_t digest[SHA256_HASHSZ]; |
| uint8_t block[SHA256_BLOCKSZ]; |
| size_t blocksz; |
| enum ASD_MODE mode; |
| uint8_t started; |
| }; |
| |
| static inline void asd_sha_init(struct asd_ctx *ctx, enum ASD_MODE mode) |
| { |
| ctx->started = 0; |
| ctx->mode = mode; |
| ctx->blocksz = 0; |
| } |
| |
| void asd_sha_update(struct asd_ctx *ctx, void *data, size_t len); |
| void asd_sha_finalize(struct asd_ctx *ctx); |
| |
| #endif |
