HASH示例

源码路径:example/hal/hash

支持的平台

em-lb525

概述

本例程演示使用HASH引擎进行HASH运算，包含：

单次HASH运算（数据不拆分、同步轮询模式）
- SHA1
- SHA224
- SHA256
- SM3
单次HASH运算（数据不拆分、异步中断模式）
- SHA1
多次运算（数据拆分，针对数据比较大的场景）
- SHA1

例程的使用

硬件需求

运行该例程前，需要准备一块本例程支持的开发板

menuconfig配置

编译和烧录

切换到例程project目录，运行scons命令执行编译：

scons --board=em-lb525 -j32

运行build_em-lb525_hcpu\uart_download.bat，按提示选择端口即可进行下载：

$ ./uart_download.bat

     Uart Download

please input the serial port num:5

关于编译、下载的详细步骤，请参考上手指南的相关介绍。

例程的预期结果

例程启动后，串口输出如下：

打印原始数据：

10-19 22:13:46:066    Input raw data:
10-19 22:13:46:067     0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20,
10-19 22:13:46:069     0x61, 0x20, 0x74, 0x65, 0x73, 0x74, 0x20, 0x64,
10-19 22:13:46:071     0x61, 0x74, 0x61, 0x20, 0x75, 0x73, 0x65, 0x64,
10-19 22:13:46:072     0x20, 0x66, 0x6f, 0x72, 0x20, 0x74, 0x65, 0x73,
10-19 22:13:46:074     0x74, 0x69, 0x6e, 0x67, 0x20, 0x68, 0x61, 0x73,
10-19 22:13:46:076     0x68, 0x20, 0x61, 0x6c, 0x67, 0x6f, 0x72, 0x69,
10-19 22:13:46:078     0x74, 0x68, 0x6d, 0x20, 0x77, 0x69, 0x74, 0x68,
10-19 22:13:46:124     0x20, 0x74, 0x68, 0x65, 0x20, 0x68, 0x61, 0x73,
10-19 22:13:46:129     0x68, 0x20, 0x68, 0x61, 0x72, 0x64, 0x77, 0x61,
10-19 22:13:46:133     0x72, 0x65, 0x20, 0x62, 0x6c, 0x6f, 0x63, 0x6b,
10-19 22:13:46:139     0x2e, 0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73,
10-19 22:13:46:144     0x20, 0x61, 0x20, 0x74, 0x65, 0x73, 0x74, 0x20,
10-19 22:13:46:149     0x64, 0x61, 0x74, 0x61, 0x20, 0x75, 0x73, 0x65,
10-19 22:13:46:154     0x64, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x74, 0x65,
10-19 22:13:46:158     0x73, 0x74, 0x69, 0x6e, 0x67, 0x20, 0x68, 0x61,
10-19 22:13:46:163     0x73, 0x68, 0x20, 0x61, 0x6c, 0x67, 0x6f, 0x72,
10-19 22:13:46:168     0x69, 0x74, 0x68, 0x6d, 0x20, 0x77, 0x69, 0x74,
10-19 22:13:46:174     0x68, 0x20, 0x74, 0x68, 0x65, 0x20, 0x68, 0x61,
10-19 22:13:46:179     0x73, 0x68, 0x20, 0x68, 0x61, 0x72, 0x64, 0x77,
10-19 22:13:46:184     0x61, 0x72, 0x65, 0x20, 0x62, 0x6c, 0x6f, 0x63,
10-19 22:13:46:189     0x6b, 0x2e, 0x54, 0x68, 0x69, 0x73, 0x20, 0x69,
10-19 22:13:46:194     0x73, 0x20, 0x61, 0x20, 0x74, 0x65, 0x73, 0x74,
10-19 22:13:46:198     0x20, 0x64, 0x61, 0x74, 0x61, 0x20, 0x75, 0x73,
10-19 22:13:46:204     0x65, 0x64, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x74,
10-19 22:13:46:209     0x65, 0x73, 0x74, 0x69, 0x6e, 0x67, 0x20, 0x68,
10-19 22:13:46:214     0x61, 0x73, 0x68, 0x20, 0x61, 0x6c, 0x67, 0x6f,
10-19 22:13:46:219     0x72, 0x69, 0x74, 0x68, 0x6d, 0x20, 0x77, 0x69,
10-19 22:13:46:224     0x74, 0x68, 0x20, 0x74, 0x68, 0x65, 0x20, 0x68,
10-19 22:13:46:229     0x61, 0x73, 0x68, 0x20, 0x68, 0x61, 0x72, 0x64,
10-19 22:13:46:234     0x77, 0x61, 0x72, 0x65, 0x20, 0x62, 0x6c, 0x6f,
10-19 22:13:46:238     0x63, 0x6b, 0x2e, 0x00,

SHA1算法运算（同步模式）：

10-19 22:13:46:243    SHA1:
10-19 22:13:46:247    HASH Result:
10-19 22:13:46:251     0x8a, 0x50, 0x60, 0xae, 0x38, 0xfd, 0x7c, 0x73,
10-19 22:13:46:255     0x5b, 0x85, 0x53, 0x41, 0x51, 0x99, 0x77, 0xb7,
10-19 22:13:46:260     0x8f, 0x91, 0xee, 0x70,

SHA224算法运算（同步模式）：

10-19 22:13:46:265    SHA224:
10-19 22:13:46:270    HASH Result:
10-19 22:13:46:274     0x08, 0xef, 0x97, 0x98, 0x25, 0x90, 0xc4, 0xa2,
10-19 22:13:46:278     0x01, 0xb7, 0xb1, 0x82, 0x4b, 0x6f, 0x24, 0xfc,
10-19 22:13:46:282     0x5d, 0x0a, 0xab, 0x8b, 0x96, 0xcc, 0xd2, 0x61,
10-19 22:13:46:287     0xeb, 0xb8, 0x10, 0x94,

SHA256算法运算（同步模式）：

10-19 22:13:46:292    SHA256:
10-19 22:13:46:296    HASH Result:
10-19 22:13:46:300     0xea, 0x72, 0x91, 0xbd, 0xbe, 0xb1, 0x6b, 0xe7,
10-19 22:13:46:305     0x9c, 0xe2, 0xbf, 0xf4, 0xfa, 0x40, 0x12, 0x35,
10-19 22:13:46:311     0xfc, 0xbd, 0x44, 0x24, 0xb9, 0x5c, 0x09, 0xb0,
10-19 22:13:46:316     0x10, 0x67, 0x62, 0x76, 0x8e, 0xdb, 0xc5, 0x41,

SM3算法运算（同步模式）：

10-19 22:13:46:321    SM3:
10-19 22:13:46:324    HASH Result:
10-19 22:13:46:328     0xfc, 0xf6, 0x99, 0x0c, 0x78, 0xb2, 0x0c, 0x4f,
10-19 22:13:46:333     0xf2, 0x54, 0x5e, 0xf0, 0xdd, 0x64, 0xd3, 0x36,
10-19 22:13:46:339     0x2a, 0x98, 0xdb, 0x91, 0x74, 0x7d, 0x29, 0xaa,
10-19 22:13:46:344     0x33, 0x53, 0xa7, 0x9d, 0xae, 0xa6, 0x6b, 0x65,

SHA1算法运算（中断模式）：

10-19 22:13:46:349    SHA1(IT):
10-19 22:13:46:353    HASH Result(IT):
10-19 22:13:46:357     0x8a, 0x50, 0x60, 0xae, 0x38, 0xfd, 0x7c, 0x73,
10-19 22:13:46:362     0x5b, 0x85, 0x53, 0x41, 0x51, 0x99, 0x77, 0xb7,
10-19 22:13:46:368     0x8f, 0x91, 0xee, 0x70,

SHA1算法运算（拆分数据后多次计算模式）：

10-19 22:13:46:373    SHA1(multiple):
10-19 22:13:46:377    HASH Result(multiple):
10-19 22:13:46:382     0x8a, 0x50, 0x60, 0xae, 0x38, 0xfd, 0x7c, 0x73,
10-19 22:13:46:386     0x5b, 0x85, 0x53, 0x41, 0x51, 0x99, 0x77, 0xb7,
10-19 22:13:46:391     0x8f, 0x91, 0xee, 0x70,

异常诊断

警告

如果HASH的输入、输出内存使用PSRAM，需要注意缓存（cache）同步：

执行HASH run之前需要对输入内存同步缓存，保证HASH读到所需的数据.
HASH完成后，可能需要对输出内存同步缓存，保证读到正确数据。

参考文档

更新记录

版本	日期	发布说明
0.0.1	10/2024	初始版本