1 .\" $OpenBSD: d2i_PKCS8PrivateKey_bio.3,v 1.8 2017/01/07 17:27:15 schwarze Exp $
2 .\" OpenSSL 99d63d46 Oct 26 13:56:48 2016 -0400
4 .\" This file was written by Dr. Stephen Henson <steve@openssl.org>.
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51 .Dd $Mdocdate: January 7 2017 $
52 .Dt D2I_PKCS8PRIVATEKEY_BIO 3
55 .Nm d2i_PKCS8PrivateKey_bio ,
56 .Nm d2i_PKCS8PrivateKey_fp ,
57 .Nm i2d_PKCS8PrivateKey_bio ,
58 .Nm i2d_PKCS8PrivateKey_fp ,
59 .Nm i2d_PKCS8PrivateKey_nid_bio ,
60 .Nm i2d_PKCS8PrivateKey_nid_fp
61 .Nd PKCS#8 format private key functions
65 .Fo d2i_PKCS8PrivateKey_bio
68 .Fa "pem_password_cb *cb"
72 .Fo d2i_PKCS8PrivateKey_fp
75 .Fa "pem_password_cb *cb"
79 .Fo i2d_PKCS8PrivateKey_bio
82 .Fa "const EVP_CIPHER *enc"
85 .Fa "pem_password_cb *cb"
89 .Fo i2d_PKCS8PrivateKey_fp
92 .Fa "const EVP_CIPHER *enc"
95 .Fa "pem_password_cb *cb"
99 .Fo i2d_PKCS8PrivateKey_nid_bio
105 .Fa "pem_password_cb *cb"
109 .Fo i2d_PKCS8PrivateKey_nid_fp
115 .Fa "pem_password_cb *cb"
119 The PKCS#8 functions encode and decode private keys in PKCS#8 format
120 using both PKCS#5 v1.5 and PKCS#5 v2.0 password based encryption
123 Other than the use of DER as opposed to PEM these functions are
124 identical to the corresponding functions described in
125 .Xr PEM_read_PrivateKey 3 .
127 Before using these functions,
128 .Xr OpenSSL_add_all_algorithms 3
129 should be called to initialize the internal algorithm lookup tables.
130 Otherwise errors about unknown algorithms will occur if an attempt is
131 made to decrypt a private key.
133 These functions are currently the only way to store encrypted private
134 keys using DER format.
136 Currently all the functions use
141 There are no functions which work directly on memory,
142 though this can be readily worked around
143 by converting the buffers to memory BIOs;
149 .Xr PEM_write_PKCS8PrivateKey 3 ,
150 .Xr PKCS8_PRIV_KEY_INFO_new 3
152 Do not confuse these functions with
153 .Xr i2d_PKCS8PrivateKeyInfo_bio 3
155 .Xr i2d_PKCS8PrivateKeyInfo_fp 3 ,
156 which write out private keys in