return 0;
}
-#if FF_API_CRYPTO_SIZE_T
-void av_sha512_update(AVSHA512* ctx, const uint8_t* data, unsigned int len)
-#else
void av_sha512_update(AVSHA512* ctx, const uint8_t* data, size_t len)
-#endif
{
- unsigned int i, j;
+ unsigned int j;
+ size_t i;
j = ctx->count & 127;
ctx->count += len;
}
}
#else
- if ((j + len) > 127) {
+ if (len >= 128 - j) {
+ const uint8_t *end;
memcpy(&ctx->buffer[j], data, (i = 128 - j));
sha512_transform(ctx->state, ctx->buffer);
- for (; i + 127 < len; i += 128)
- sha512_transform(ctx->state, &data[i]);
+ data += i;
+ len -= i;
+ end = data + (len & ~127);
+ len = len % 128;
+ for (; data < end; data += 128)
+ sha512_transform(ctx->state, data);
j = 0;
- } else
- i = 0;
- memcpy(&ctx->buffer[j], &data[i], len - i);
+ }
+ memcpy(&ctx->buffer[j], data, len);
#endif
}