Thank you! That was the issue. Clay > On Feb 21, 2020, at 7:54 AM, openssl-users-request@xxxxxxxxxxx wrote: > > Message: 5 > Date: Fri, 21 Feb 2020 22:51:51 +1000 > From: Dr Paul Dale <paul.dale@xxxxxxxxxx> > To: openssl-users <openssl-users@xxxxxxxxxxx> > Subject: Re: CRYPTO_secure_malloc_init() fails without error message > Message-ID: <9006F365-9206-490B-B3A4-F2814D77E9DF@xxxxxxxxxx> > Content-Type: text/plain; charset="utf-8" > >> CRYPTO_secure_malloc_init(OPENSSL_MIN_HEAP_SIZE, OPENSSL_MIN_HEAP_SIZE); > > I?d strongly suggest not passing the same value in the second position. This parameter sets the minimum block size that can be allocated in the secure heap. The init call returns an error in this situation. Do this instead: CRYPTO_secure_malloc_init(OPENSSL_MIN_HEAP_SIZE, 16); > > > > Pauli > -- > Dr Paul Dale | Distinguished Architect | Cryptographic Foundations > Phone +61 7 3031 7217 > Oracle Australia >