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Use new sha function names in mbedtls example #645

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May 29, 2025
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Use new sha function names in mbedtls example #645

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13 changes: 10 additions & 3 deletions sha/mbedtls_sha256/mbedtls_sha256.c
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Original file line number Diff line number Diff line change
Expand Up @@ -14,9 +14,16 @@

#include "pico/stdlib.h"
#include "mbedtls/sha256.h"
#include "mbedtls/version.h"

#define BUFFER_SIZE 10000

#if MBEDTLS_VERSION_MAJOR < 3
#define mbedtls_sha256_starts mbedtls_sha256_starts_ret
#define mbedtls_sha256_update mbedtls_sha256_update_ret
#define mbedtls_sha256_finish mbedtls_sha256_finish_ret
#endif

int main() {
stdio_init_all();
// nist 3
Expand All @@ -32,14 +39,14 @@ int main() {
mbedtls_sha256_context ctx;
mbedtls_sha256_init(&ctx);
uint64_t start = time_us_64();
int rc = mbedtls_sha256_starts_ret(&ctx, 0);
int rc = mbedtls_sha256_starts(&ctx, 0);
hard_assert(rc == 0);
for(int i = 0; i < 1000000; i += BUFFER_SIZE) {
rc = mbedtls_sha256_update_ret(&ctx, buffer, BUFFER_SIZE);
rc = mbedtls_sha256_update(&ctx, buffer, BUFFER_SIZE);
hard_assert(rc == 0);
}
unsigned char mbed_result[32];
rc = mbedtls_sha256_finish_ret(&ctx, mbed_result);
rc = mbedtls_sha256_finish(&ctx, mbed_result);
hard_assert(rc == 0);
uint64_t mbed_time = (time_us_64() - start) / 1000;
printf("Mbedtls time for sha256 of 1M bytes %"PRIu64"ms\n", mbed_time);
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