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doc/man3/EVP_EncryptInit.pod: add EVP_CIPHER_CTX_rand_key

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Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com>

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Andy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4843)
This commit is contained in:
Patrick Steuer 2017-12-05 00:36:43 +01:00 committed by Andy Polyakov
parent 27ab91951c
commit 5c5eb286af
1 changed files with 8 additions and 0 deletions
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8
doc/man3/EVP_EncryptInit.pod
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@ -91,6 +91,7 @@ EVP_enc_null
int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *x, int padding); int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *x, int padding);
int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen); int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr); int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
const EVP_CIPHER *EVP_get_cipherbyname(const char *name); const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
const EVP_CIPHER *EVP_get_cipherbynid(int nid); const EVP_CIPHER *EVP_get_cipherbynid(int nid);
@ -274,6 +275,11 @@ is not supported.
EVP_CIPHER_CTX_ctrl() allows various cipher specific parameters to be determined EVP_CIPHER_CTX_ctrl() allows various cipher specific parameters to be determined
and set. and set.
EVP_CIPHER_CTX_rand_key() generates a random key of the appropriate length
based on the cipher context. The EVP_CIPHER can provide its own random key
generation routine to support keys of a specific form. B<Key> must point to a
buffer at least as big as the value returned by EVP_CIPHER_CTX_key_length().
=head1 RETURN VALUES =head1 RETURN VALUES
EVP_CIPHER_CTX_new() returns a pointer to a newly created EVP_CIPHER_CTX_new() returns a pointer to a newly created
@ -314,6 +320,8 @@ EVP_CIPHER_CTX_cipher() returns an B<EVP_CIPHER> structure.
EVP_CIPHER_param_to_asn1() and EVP_CIPHER_asn1_to_param() return greater EVP_CIPHER_param_to_asn1() and EVP_CIPHER_asn1_to_param() return greater
than zero for success and zero or a negative number. than zero for success and zero or a negative number.
EVP_CIPHER_CTX_rand_key() returns 1 for success.
=head1 CIPHER LISTING =head1 CIPHER LISTING
All algorithms have a fixed key length unless otherwise stated. All algorithms have a fixed key length unless otherwise stated.