On Thu, Sep 03, 2015 at 04:06:06PM +0000, Viktor Dukhovni wrote: > On Thu, Sep 03, 2015 at 08:21:25AM -0700, tmcclure0501 wrote: > > > We have an embedded MQTT framework that we want to configure for mutual > > authentication. The framework is complaining that it needs a key format of > > PKCS#1. We have p12 and pem formats of the key. Does openssl support > > converting keys to the PKCS#1, if so what is the command? > > I've never heard of a PKCS#1 key format, I'm only aware of > > PKCS#8 - Private key > PKCS#12 - Private key and related certificates > > Consult the documentation for the product, this is not an OpenSSL > question until at least the desired key format is known. Perhaps what you're looking for is the legacy RSA key format (PEM or DER encoded). -----BEGIN RSA PRIVATE KEY----- -----END RSA PRIVATE KEY----- The "openssl rsa" command (unlike the "pkey" command) outputs RSA keys in either DER or PEM formats. -- Viktor.
