Remove temporary RNG entropy audit logs (#11600)

- Remove the temporary RNG entropy audit now that #10454
  is complete.

Fixes #10454
Fixes #10526
Fixes #10527

src/platform/Entropy.cpp

@@ -16,61 +16,12 @@
  *    limitations under the License.
  */
 
-/**
- *    @file
- *          Provides implementations for the chip entropy sourcing functions
- *          on the Linux platforms.
- */
-
 #include <crypto/CHIPCryptoPAL.h>
 #include <crypto/RandUtils.h>
 #include <lib/support/CodeUtils.h>
 
-// Temporary includes for TemporaryAuditRandomPerformance()
-// TODO: remove once https://github.com/project-chip/connectedhomeip/issues/10454 is done.
-#include <lib/support/BytesToHex.h>
-
 namespace chip {
 
-namespace {
-
-// Audit random number generator proper initialization with prints.
-// TODO: remove once https://github.com/project-chip/connectedhomeip/issues/10454 is done.
-void TemporaryAuditRandomNumberGenerator()
-{
-    uint8_t buf1[16] = { 0 };
-    uint8_t buf2[16] = { 0 };
-
-    VerifyOrDie(Crypto::DRBG_get_bytes(&buf1[0], sizeof(buf1)) == CHIP_NO_ERROR);
-    VerifyOrDie(Crypto::DRBG_get_bytes(&buf2[0], sizeof(buf2)) == CHIP_NO_ERROR);
-
-    char hex_buf[sizeof(buf1) * 2 + 1];
-
-    ChipLogProgress(DeviceLayer, "AUDIT: ===== RANDOM NUMBER GENERATOR AUDIT START ====");
-    ChipLogProgress(DeviceLayer, "AUDIT: * Validate buf1 and buf2 are <<<different every run/boot!>>>");
-    ChipLogProgress(DeviceLayer, "AUDIT: * Validate r1 and r2 are <<<different every run/boot!>>>");
-
-    memset(&hex_buf[0], 0, sizeof(hex_buf));
-    VerifyOrDie(Encoding::BytesToUppercaseHexString(&buf1[0], sizeof(buf1), &hex_buf[0], sizeof(hex_buf)) == CHIP_NO_ERROR);
-    ChipLogProgress(DeviceLayer, "AUDIT: * buf1: %s", &hex_buf[0]);
-
-    memset(&hex_buf[0], 0, sizeof(hex_buf));
-    VerifyOrDie(Encoding::BytesToUppercaseHexString(&buf2[0], sizeof(buf2), &hex_buf[0], sizeof(hex_buf)) == CHIP_NO_ERROR);
-    ChipLogProgress(DeviceLayer, "AUDIT: * buf2: %s", &hex_buf[0]);
-
-    VerifyOrDieWithMsg(memcmp(&buf1[0], &buf2[0], sizeof(buf1)) != 0, DeviceLayer,
-                       "AUDIT: FAILED: buf1, buf2 are equal: DRBG_get_bytes() does not function!");
-
-    uint32_t r1 = Crypto::GetRandU32();
-    uint32_t r2 = Crypto::GetRandU32();
-
-    ChipLogProgress(DeviceLayer, "AUDIT: * r1: 0x%08" PRIX32 " r2: 0x%08" PRIX32, r1, r2);
-    VerifyOrDieWithMsg(r1 != r2, DeviceLayer, "AUDIT: FAILED: r1, r2 are equal: random number generator does not function!");
-    ChipLogProgress(DeviceLayer, "AUDIT: ===== RANDOM NUMBER GENERATOR AUDIT END ====");
-}
-
-} // namespace
-
 namespace DeviceLayer {
 namespace Internal {
 
@@ -80,8 +31,6 @@ CHIP_ERROR InitEntropy()
     ReturnErrorOnFailure(Crypto::DRBG_get_bytes((uint8_t *) &seed, sizeof(seed)));
     srand(seed);
 
-    // TODO: remove once https://github.com/project-chip/connectedhomeip/issues/10454 is done.
-    TemporaryAuditRandomNumberGenerator();
     return CHIP_NO_ERROR;
 }