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Merge remote-tracking branch 'origin/master'
# Conflicts: # README.md
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@@ -10,8 +10,8 @@ EVP_PKEY_encrypt_init, EVP_PKEY_encrypt - encrypt using a public key algorithm
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int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
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int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
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unsigned char *out, size_t *outlen,
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const unsigned char *in, size_t inlen);
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unsigned char *out, size_t *outlen,
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const unsigned char *in, size_t inlen);
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=head1 DESCRIPTION
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@@ -43,8 +43,8 @@ indicates the operation is not supported by the public key algorithm.
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=head1 EXAMPLE
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Encrypt data using OAEP (for RSA keys). See also L<PEM_read_PUBKEY(3)|pem(3)> or
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L<d2i_X509(3)|d2i_X509(3)> for means to load a public key. You may also simply
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Encrypt data using OAEP (for RSA keys). See also L<PEM_read_PUBKEY(3)> or
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L<d2i_X509(3)> for means to load a public key. You may also simply
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set 'eng = NULL;' to start with the default OpenSSL RSA implementation:
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#include <openssl/evp.h>
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@@ -54,46 +54,55 @@ set 'eng = NULL;' to start with the default OpenSSL RSA implementation:
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EVP_PKEY_CTX *ctx;
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ENGINE *eng;
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unsigned char *out, *in;
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size_t outlen, inlen;
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size_t outlen, inlen;
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EVP_PKEY *key;
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/* NB: assumes eng, key, in, inlen are already set up,
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* and that key is an RSA public key
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*/
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ctx = EVP_PKEY_CTX_new(key,eng);
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ctx = EVP_PKEY_CTX_new(key, eng);
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if (!ctx)
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/* Error occurred */
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/* Error occurred */
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if (EVP_PKEY_encrypt_init(ctx) <= 0)
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/* Error */
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/* Error */
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if (EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_OAEP_PADDING) <= 0)
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/* Error */
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/* Error */
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/* Determine buffer length */
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if (EVP_PKEY_encrypt(ctx, NULL, &outlen, in, inlen) <= 0)
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/* Error */
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/* Error */
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out = OPENSSL_malloc(outlen);
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if (!out)
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/* malloc failure */
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/* malloc failure */
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if (EVP_PKEY_encrypt(ctx, out, &outlen, in, inlen) <= 0)
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/* Error */
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/* Error */
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/* Encrypted data is outlen bytes written to buffer out */
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=head1 SEE ALSO
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L<d2i_X509(3)|d2i_X509(3)>,
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L<engine(3)|engine(3)>,
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L<EVP_PKEY_CTX_new(3)|EVP_PKEY_CTX_new(3)>,
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L<EVP_PKEY_decrypt(3)|EVP_PKEY_decrypt(3)>,
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L<EVP_PKEY_sign(3)|EVP_PKEY_sign(3)>,
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L<EVP_PKEY_verify(3)|EVP_PKEY_verify(3)>,
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L<EVP_PKEY_verify_recover(3)|EVP_PKEY_verify_recover(3)>,
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L<EVP_PKEY_derive(3)|EVP_PKEY_derive(3)>
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L<d2i_X509(3)>,
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L<engine(3)>,
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L<EVP_PKEY_CTX_new(3)>,
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L<EVP_PKEY_decrypt(3)>,
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L<EVP_PKEY_sign(3)>,
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L<EVP_PKEY_verify(3)>,
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L<EVP_PKEY_verify_recover(3)>,
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L<EVP_PKEY_derive(3)>
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=head1 HISTORY
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These functions were first added to OpenSSL 1.0.0.
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=head1 COPYRIGHT
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Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the OpenSSL license (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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