diff options
Diffstat (limited to 'secure/lib/libcrypto/man/EVP_PKEY_derive.3')
| -rw-r--r-- | secure/lib/libcrypto/man/EVP_PKEY_derive.3 | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/secure/lib/libcrypto/man/EVP_PKEY_derive.3 b/secure/lib/libcrypto/man/EVP_PKEY_derive.3 index 644e48fe9fc52..105031f266d38 100644 --- a/secure/lib/libcrypto/man/EVP_PKEY_derive.3 +++ b/secure/lib/libcrypto/man/EVP_PKEY_derive.3 @@ -128,14 +128,14 @@ .rm #[ #] #H #V #F C .\" ======================================================================== .\" -.IX Title "EVP_PKEY_derive 3" -.TH EVP_PKEY_derive 3 "2018-08-14" "1.0.2p" "OpenSSL" +.IX Title "EVP_PKEY_DERIVE 3" +.TH EVP_PKEY_DERIVE 3 "2018-09-11" "1.1.1" "OpenSSL" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" -EVP_PKEY_derive_init, EVP_PKEY_derive_set_peer, EVP_PKEY_derive \- derive public key algorithm shared secret. +EVP_PKEY_derive_init, EVP_PKEY_derive_set_peer, EVP_PKEY_derive \- derive public key algorithm shared secret .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 @@ -181,30 +181,31 @@ Derive shared secret (for example \s-1DH\s0 or \s-1EC\s0 keys): \& #include <openssl/rsa.h> \& \& EVP_PKEY_CTX *ctx; +\& ENGINE *eng; \& unsigned char *skey; \& size_t skeylen; \& EVP_PKEY *pkey, *peerkey; -\& /* NB: assumes pkey, peerkey have been already set up */ +\& /* NB: assumes pkey, eng, peerkey have been already set up */ \& -\& ctx = EVP_PKEY_CTX_new(pkey); +\& ctx = EVP_PKEY_CTX_new(pkey, eng); \& if (!ctx) -\& /* Error occurred */ +\& /* Error occurred */ \& if (EVP_PKEY_derive_init(ctx) <= 0) -\& /* Error */ +\& /* Error */ \& if (EVP_PKEY_derive_set_peer(ctx, peerkey) <= 0) -\& /* Error */ +\& /* Error */ \& \& /* Determine buffer length */ \& if (EVP_PKEY_derive(ctx, NULL, &skeylen) <= 0) -\& /* Error */ +\& /* Error */ \& \& skey = OPENSSL_malloc(skeylen); \& \& if (!skey) -\& /* malloc failure */ -\& +\& /* malloc failure */ +\& \& if (EVP_PKEY_derive(ctx, skey, &skeylen) <= 0) -\& /* Error */ +\& /* Error */ \& \& /* Shared secret is skey bytes written to buffer skey */ .Ve @@ -219,3 +220,11 @@ Derive shared secret (for example \s-1DH\s0 or \s-1EC\s0 keys): .SH "HISTORY" .IX Header "HISTORY" These functions were first added to OpenSSL 1.0.0. +.SH "COPYRIGHT" +.IX Header "COPYRIGHT" +Copyright 2006\-2018 The OpenSSL Project Authors. All Rights Reserved. +.PP +Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use +this file except in compliance with the License. You can obtain a copy +in the file \s-1LICENSE\s0 in the source distribution or at +<https://www.openssl.org/source/license.html>. |