Wrong SHA-1 hash with STM32 Crypto Library - encryption

Question

With TrueStudio, I'm developing on the STM32f103RB with the STM32 Crypto Library Package 'STM32CubeExpansion_Crypto_V3.1.0'. I would like to use the sha-1 from lib but from some reason I don't get the correct result.
Here is my test...
My input buffer is: "('1543409074.11', '1702635382a7b4243308035dfecc1e5e31678356bdfa39f92b6409a2')"
From SHA1 and other hash functions online generator, result for sha1: c6818ce06b79c91cda7cc89f1af243e3d1373c1f
With the STM32 Crypto Library, I can't seem to generate the correct SHA-1 sum.
For instance, I call SHA-1 hash function with the following code :
SHA1ctx_stt SHA1ctx_st; // The SHA1 context
membuf_stt mb_st; // structure that will contain the preallocated buffer
uint8_t Digest[CRL_SHA1_SIZE]; // Buffer that will contain the SHA-1 digest of the message
uint8_t preallocated_buffer[4096]; // buffer required for internal allocation of memory
int32_t status = HASH_SUCCESS;
int32_t outputSize;
const char* Message="('1543409074.11', '1702635382a7b4243308035dfecc1e5e31678356bdfa39f92b6409a2')";
int32_t MessageSize = strlen(Message);
// Initialize the membuf_st that must be passed to the ECC functions
mb_st.mSize = sizeof(preallocated_buffer);
mb_st.mUsed = 0;
mb_st.pmBuf = preallocated_buffer;
//Initialize it the SHA-1 Context
SHA1ctx_st.mFlags = E_HASH_DEFAULT;
// 20 byte of output
SHA1ctx_st.mTagSize = CRL_SHA1_SIZE;
// Init SHA-1
status = SHA1_Init(&SHA1ctx_st);
if (status == HASH_SUCCESS)
{
// Process the message with SHA-1
status = SHA1_Append(&SHA1ctx_st, (const uint8_t *)Message, MessageSize);
if (status == HASH_SUCCESS)
{
// Output the Digest
status = SHA1_Finish(&SHA1ctx_st, Digest, &outputSize);
if (status == HASH_SUCCESS)
{
// It's OK, but result in Digest isn't correct
}
}
}
What am I missing? Does anyone know what might be wrong?
Thanks,

Answer 1

I found the solution.
ST has historically locked these libraries to the STM32 parts by probing the CRC peripheral, basically a challenge-response test.
To do, it is necessary to enable RCC_CRC_CLK. With CubeMX, you need to activate "CRC Mode and Configuration" in Computing Tab.