EVP_PKCS82PKEY(3)          Library Functions Manual          EVP_PKCS82PKEY(3)

NAME
     EVP_PKCS82PKEY, EVP_PKEY2PKCS8 - convert between EVP_PKEY and PKCS#8
     PrivateKeyInfo

SYNOPSIS
     #include <openssl/x509.h>

     EVP_PKEY *
     EVP_PKCS82PKEY(const PKCS8_PRIV_KEY_INFO *keyinfo);

     PKCS8_PRIV_KEY_INFO *
     EVP_PKEY2PKCS8(EVP_PKEY *pkey);

DESCRIPTION
     EVP_PKCS82PKEY() extracts the private key from a PKCS#8 PrivateKeyInfo
     structure.

     EVP_PKEY2PKCS8() creates a PKCS#8 PrivateKeyInfo structure representing
     the private key contained in pkey.

     Supported algorithms include DH, DSA, EC, and RSA.

RETURN VALUES
     These functions return a newly allocated object or NULL if the algorithm
     indicated in keyinfo or pkey is unsupported or if memory allocation,
     decoding, or encoding fails.

SEE ALSO
     EVP_PKEY_base_id(3), EVP_PKEY_new(3), PKCS8_pkey_set0(3),
     PKCS8_PRIV_KEY_INFO_new(3), X509_ALGOR_get0(3)

HISTORY
     These functions first appeared in OpenSSL 0.9.3 and have been available
     since OpenBSD 2.6.

Linux 6.8.2-arch2-1              March 5, 2024             Linux 6.8.2-arch2-1