[EFR32] Fix CSR length.

project-chip · Aug 22, 2022 · 7402c79 · 7402c79
1 parent a8d12af
commit 7402c79
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/platform/EFR32/Efr32PsaOpaqueKeypair.cpp b/src/platform/EFR32/Efr32PsaOpaqueKeypair.cpp
@@ -407,7 +407,9 @@ CHIP_ERROR EFR32OpaqueP256Keypair::Deserialize(P256SerializedKeypair & input)
 CHIP_ERROR EFR32OpaqueP256Keypair::NewCertificateSigningRequest(uint8_t * out_csr, size_t & csr_length) const
 {
     MutableByteSpan csr(out_csr, csr_length);
-    return GenerateCertificateSigningRequest(this, csr);
+    CHIP_ERROR err = GenerateCertificateSigningRequest(this, csr);
+    csr_length     = (CHIP_NO_ERROR == err) ? csr.size() : 0;
+    return err;
 }
 
 CHIP_ERROR EFR32OpaqueP256Keypair::ECDSA_sign_msg(const uint8_t * msg, size_t msg_length, P256ECDSASignature & out_signature) const