<Replacement for RSA_public_decrypt>

[Thulasi Goriparthi]

Hope, you are referring to
https://www.openssl.org/docs/man1.0.2/man3/EVP_PKEY_encrypt.html

Use PEM_read_bio_PUBKEY to get EVP_PKEY.
eng is for engine reference. If you have no engine, it can be NULL.

Thanks,
Thulasi.

On Fri, 29 Jan 2021 at 10:13, Narayana, Sunil Kumar <sanarayana at rbbn.com>
wrote:

> Dear Openssl team,
>
>                 While migrating from 1.0.2 to 3.0 we observe that
> RSA_public_decrypt() API been deprecated in 3.0.
>
> We referred the example provided in man page but we are not clear in
> generating the initial ‘key’ required to create CTX.
>
> Please suggest on (key , eng) params to proceed
>
>
>
> Also currently we are using PEM_read_bio_RSA_PUBKEY() to generate RSA, I
> think this might not require in case of EVP, please suggest.
>
>
>
> /*
>
>   * NB: assumes key, eng, in, inlen are already set up
>
>   * and that key is an RSA private key
>
>   */
>
> ctx = EVP_PKEY_CTX_new(key, eng);
>
>
>
>
>
> Regards,
>
> Sunil
>
>
>
>
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