> From: [email protected] On Behalf Of Salz, Rich
> Sent: Friday, 29 March, 2013 11:47
> > 1) Put a base64-encoded key (the normal one generated by
> openssl command line tools) into a header file
>
> Avoid a step. Base64 decode and using something like "od"
> put a binary bytestream into your source. Like
> unsigned char der_key[] = { 3, 12, 253, .... }
>
If you do use od octal, remember to force a leading 0 on each byte
that doesn't already have one, and maybe them too for simplicity.
Or if you use hex, 0x on every byte over 9, ditto.
> > 2) Compile code with this key which will public-key encrypt
> a message.
>
> Convert it into an RSA structure using d2i_XXX routines.
>
The commandline default is PUBKEY, and d2i_PUBKEY returns an
EVP_PKEY >wrapping< an RSA suitable for EVP_Seal* per elsethread.
Or d2i_RSA_PUBKEY "downcasts" to RSA suitable for lowlevel
RSA_public_encrypt etc.
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