1 .\" $OpenBSD: EVP_PKEY_print_private.3,v 1.4 2016/11/27 15:27:19 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: November 27 2016 $
52 .Dt EVP_PKEY_PRINT_PRIVATE 3
55 .Nm EVP_PKEY_print_public ,
56 .Nm EVP_PKEY_print_private ,
57 .Nm EVP_PKEY_print_params
58 .Nd public key algorithm printing routines
62 .Fo EVP_PKEY_print_public
64 .Fa "const EVP_PKEY *pkey"
69 .Fo EVP_PKEY_print_private
71 .Fa "const EVP_PKEY *pkey"
76 .Fo EVP_PKEY_print_params
78 .Fa "const EVP_PKEY *pkey"
84 .Fn EVP_PKEY_print_public ,
85 .Fn EVP_PKEY_print_private ,
87 .Fn EVP_PKEY_print_params
88 print out the public, private or parameter components of key
94 in human readable form.
97 indicates how far the printout should be indented.
101 parameter allows the print output to be finely tuned by using ASN.1
107 then default values will be used.
108 Currently, no public key algorithms include any options in the
112 If the key does not include all the components indicated by the function,
113 then only those contained in the key will be printed.
114 For example, passing a public key to
115 .Fn EVP_PKEY_print_private
116 will only print the public components.
118 These functions all return 1 for success and 0 or a negative value for
120 In particular, a return value of -2 indicates the operation is not
121 supported by the public key algorithm.
123 .Xr EVP_PKEY_CTX_new 3 ,
124 .Xr EVP_PKEY_keygen 3
126 These functions were first added to OpenSSL 1.0.0.