Fix build warning on Android in CHIPCryptoPALOpenSSL.cpp (#21893)

* Fix build warning on Android in CHIPCryptoPALOpenSSL.cpp X509_VERIFY_PARAM_set_time takes in time_t as the unix epoch parameter. On Android this is defined as a 'long', so need to cast the value to suppress the warning. src/crypto/CHIPCryptoPALOpenSSL.cpp:1672:43: error: implicit conversion changes signedness: 'uint32_t' (aka 'unsigned int') to 'time_t' (aka 'long') [-Werror,-Wsign-conversion] X509_VERIFY_PARAM_set_time(param, unixEpoch); * Update src/crypto/CHIPCryptoPALOpenSSL.cpp Co-authored-by: Evgeny Margolis <[email protected]> Co-authored-by: Evgeny Margolis <[email protected]>
project-chip · Aug 15, 2022 · 38f3ebc · 38f3ebc
1 parent 8d8b636
commit 38f3ebc
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/crypto/CHIPCryptoPALOpenSSL.cpp b/src/crypto/CHIPCryptoPALOpenSSL.cpp
@@ -1669,7 +1669,9 @@ CHIP_ERROR ValidateCertificateChain(const uint8_t * rootCertificate, size_t root
         VerifyOrExit(asn1Time.ExportTo_UnixTime(unixEpoch),
                      (result = CertificateChainValidationResult::kLeafFormatInvalid, err = CHIP_ERROR_INTERNAL));
 
-        X509_VERIFY_PARAM_set_time(param, unixEpoch);
+        VerifyOrExit(CanCastTo<time_t>(unixEpoch),
+                     (result = CertificateChainValidationResult::kLeafFormatInvalid, err = CHIP_ERROR_INTERNAL));
+        X509_VERIFY_PARAM_set_time(param, static_cast<time_t>(unixEpoch));
     }
 
     status = X509_verify_cert(verifyCtx);