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Updates to EVP_PKEY_encrypt.pod submitted by user Bernardh via the wiki

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Minor changes made by Matt Caswell.

Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
This commit is contained in:
Matt Caswell 2014-09-06 23:47:55 +01:00
parent f67203836c
commit 34890ac18e
1 changed files with 9 additions and 3 deletions
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12
doc/crypto/EVP_PKEY_encrypt.pod
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@ -43,19 +43,23 @@ indicates the operation is not supported by the public key algorithm.
=head1 EXAMPLE =head1 EXAMPLE
Encrypt data using OAEP (for RSA keys): Encrypt data using OAEP (for RSA keys). See also L<PEM_read_PUBKEY(3)|pem(3)> or
L<d2i_X509(3)|d2i_X509(3)> for means to load a public key. You may also simply
set 'eng = NULL;' to start with the default OpenSSL RSA implementation:
#include <openssl/evp.h> #include <openssl/evp.h>
#include <openssl/rsa.h> #include <openssl/rsa.h>
#include <openssl/engine.h>
EVP_PKEY_CTX *ctx; EVP_PKEY_CTX *ctx;
ENGINE *eng;
unsigned char *out, *in; unsigned char *out, *in;
size_t outlen, inlen; size_t outlen, inlen;
EVP_PKEY *key; EVP_PKEY *key;
/* NB: assumes key in, inlen are already set up /* NB: assumes eng, key, in, inlen are already set up,
* and that key is an RSA public key * and that key is an RSA public key
*/ */
ctx = EVP_PKEY_CTX_new(key); ctx = EVP_PKEY_CTX_new(key,eng);
if (!ctx) if (!ctx)
/* Error occurred */ /* Error occurred */
if (EVP_PKEY_encrypt_init(ctx) <= 0) if (EVP_PKEY_encrypt_init(ctx) <= 0)
@ -79,6 +83,8 @@ Encrypt data using OAEP (for RSA keys):
=head1 SEE ALSO =head1 SEE ALSO
L<d2i_X509(3)|d2i_X509(3)>,
L<engine(3)|engine(3)>,
L<EVP_PKEY_CTX_new(3)|EVP_PKEY_CTX_new(3)>, L<EVP_PKEY_CTX_new(3)|EVP_PKEY_CTX_new(3)>,
L<EVP_PKEY_decrypt(3)|EVP_PKEY_decrypt(3)>, L<EVP_PKEY_decrypt(3)|EVP_PKEY_decrypt(3)>,
L<EVP_PKEY_sign(3)|EVP_PKEY_sign(3)>, L<EVP_PKEY_sign(3)|EVP_PKEY_sign(3)>,