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d2i_PKCS8PrivateKey(3)                             OpenSSL                            d2i_PKCS8PrivateKey(3)



NAME
       d2i_PKCS8PrivateKey_bio, d2i_PKCS8PrivateKey_fp, i2d_PKCS8PrivateKey_bio, i2d_PKCS8PrivateKey_fp,
       i2d_PKCS8PrivateKey_nid_bio, i2d_PKCS8PrivateKey_nid_fp - PKCS#8 format private key functions

SYNOPSIS
        #include <openssl/evp.h>

        EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u);
        EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u);

        int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
                                         char *kstr, int klen,
                                         pem_password_cb *cb, void *u);

        int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
                                         char *kstr, int klen,
                                         pem_password_cb *cb, void *u);

        int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
                                         char *kstr, int klen,
                                         pem_password_cb *cb, void *u);

        int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
                                         char *kstr, int klen,
                                         pem_password_cb *cb, void *u);

DESCRIPTION
       The PKCS#8 functions encode and decode private keys in PKCS#8 format using both PKCS#5 v1.5 and
       PKCS#5 v2.0 password based encryption algorithms.

       Other than the use of DER as opposed to PEM these functions are identical to the corresponding PEM
       function as described in the pem(3) manual page.

NOTES
       Before using these functions OpenSSL_add_all_algorithms(3) should be called to initialize the
       internal algorithm lookup tables otherwise errors about unknown algorithms will occur if an attempt
       is made to decrypt a private key.

       These functions are currently the only way to store encrypted private keys using DER format.

       Currently all the functions use BIOs or FILE pointers, there are no functions which work directly on
       memory: this can be readily worked around by converting the buffers to memory BIOs, see BIO_s_mem(3)
       for details.

SEE ALSO
       pem(3)



50                                               2013-03-05                           d2i_PKCS8PrivateKey(3)