/*****************************************************************************
 *
 *
 *Copyright (c) 2021-2029 Semidrive Incorporated.  All rights reserved.
 *Software License Agreement
 *
 ******************************************************************************
 */
#include <sha1.h>

#ifdef SUPPORT_HASH_SHA1

/* function: init sha1
 * parameters:
 *     ctx ------------------------ input, sha1_ctx_t context pointer
 * return: HASH_SUCCESS(success), other(error)
 * caution:
 *     1.
 */
uint32_t sha1_init(sha1_ctx_t *ctx) { return hash_init(ctx, HASH_SHA1); }

/* function: sha1 update message
 * parameters:
 *     ctx ------------------------ input, sha1_ctx_t context pointer
 *     msg ------------------------ input, message
 *     msg_bytes ------------------ input, byte length of the input message
 * return: HASH_SUCCESS(success), other(error)
 * caution:
 *     1. please make sure the three parameters are valid, and ctx is
 * initialized
 */
uint32_t sha1_update(sha1_ctx_t *ctx, const uint8_t *msg, uint32_t msg_bytes)
{
    return hash_update(ctx, msg, msg_bytes);
}

/* function: message update done, get the sha1 digest
 * parameters:
 *     digest --------------------- output, sha1 digest, 20 bytes
 * return: HASH_SUCCESS(success), other(error)
 * caution:
 *     1. please make sure the digest buffer is sufficient
 */
uint32_t sha1_final(sha1_ctx_t *ctx, uint8_t *digest)
{
    return hash_final(ctx, digest);
}

/* function: input whole message and get its sha1 digest
 * parameters:
 *     msg ------------------------ input, message
 *     msg_bytes ------------------ input, byte length of the input message, it
 * could be 0 digest --------------------- output, sha1 digest, 20 bytes return:
 * HASH_SUCCESS(success), other(error) caution:
 *     1. please make sure the digest buffer is sufficient
 */
uint32_t sha1(uint8_t *msg, uint32_t msg_bytes, uint8_t *digest)
{
    return hash(HASH_SHA1, msg, msg_bytes, digest);
}

#ifdef HASH_DMA_FUNCTION
/* function: init dma sha1
 * parameters:
 *     ctx ------------------------ input, sha1_dma_ctx_t context pointer
 *     callback ------------------- callback function pointer
 * return: HASH_SUCCESS(success), other(error)
 * caution:
 */
uint32_t sha1_dma_init(sha1_dma_ctx_t *ctx, HASH_CALLBACK callback)
{
    return hash_dma_init(ctx, HASH_SHA1, callback);
}

/* function: dma sha1 update some message blocks
 * parameters:
 *     ctx ------------------------ input, sha1_dma_ctx_t context pointer
 *     msg ------------------------ input, message blocks
 *     msg_words ------------------ input, word length of the input message,
 * must be a multiple of sha1 block word length(16) iterator -------------------
 * output, sha1 temporary result return: HASH_SUCCESS(success), other(error)
 * caution:
 *     1. please make sure the four parameters are valid, and ctx is initialized
 */
uint32_t sha1_dma_update_blocks(sha1_dma_ctx_t *ctx, uint32_t *msg,
                                uint32_t msg_words, uint32_t *iterator)
{
    return hash_dma_update_blocks(ctx, msg, msg_words, iterator);
}

/* function: dma sha1 final(input the remainder message and get the digest)
 * parameters:
 *     ctx ------------------------ input, sha1_dma_ctx_t context pointer
 *     remainder_msg -------------- input, remainder message
 *     remainder_bytes ------------ input, byte length of the remainder message,
 * must be in [0, BLOCK_BYTE_LEN-1], here BLOCK_BYTE_LEN is block byte length of
 * sha1, it is 64. digest --------------------- output, sha1 digest, 20 bytes
 * return: HASH_SUCCESS(success), other(error)
 * caution:
 *     1. please make sure the four parameters are valid, and ctx is initialized
 */
uint32_t sha1_dma_final(sha1_dma_ctx_t *ctx, uint32_t *remainder_msg,
                        uint32_t remainder_bytes, uint32_t *digest)
{
    return hash_dma_final(ctx, remainder_msg, remainder_bytes, digest);
}

/* function: dma sha1 digest calculate
 * parameters:
 *     msg ------------------------ input, message
 *     msg_bytes ------------------ input, byte length of the message, it could
 * be 0 digest --------------------- output, sha1 digest, 20 bytes callback
 * ------------------- callback function pointer return: HASH_SUCCESS(success),
 * other(error) caution:
 *     1. please make sure the four parameters are valid
 */
uint32_t sha1_dma(uint32_t *msg, uint32_t msg_bytes, uint32_t *digest,
                  HASH_CALLBACK callback)
{
    return hash_dma(HASH_SHA1, msg, msg_bytes, digest, callback);
}
#endif

#endif