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diff --git a/crypto/openssl/doc/crypto/EVP_BytesToKey.pod b/crypto/openssl/doc/crypto/EVP_BytesToKey.pod
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-=pod
-
-=head1 NAME
-
-EVP_BytesToKey - password based encryption routine
-
-=head1 SYNOPSIS
-
- #include <openssl/evp.h>
-
- int EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
-                       const unsigned char *salt,
-                       const unsigned char *data, int datal, int count,
-                       unsigned char *key,unsigned char *iv);
-
-=head1 DESCRIPTION
-
-EVP_BytesToKey() derives a key and IV from various parameters. B<type> is
-the cipher to derive the key and IV for. B<md> is the message digest to use.
-The B<salt> paramter is used as a salt in the derivation: it should point to
-an 8 byte buffer or NULL if no salt is used. B<data> is a buffer containing
-B<datal> bytes which is used to derive the keying data. B<count> is the
-iteration count to use. The derived key and IV will be written to B<key>
-and B<iv> respectively.
-
-=head1 NOTES
-
-A typical application of this function is to derive keying material for an
-encryption algorithm from a password in the B<data> parameter.
-
-Increasing the B<count> parameter slows down the algorithm which makes it
-harder for an attacker to peform a brute force attack using a large number
-of candidate passwords.
-
-If the total key and IV length is less than the digest length and
-B<MD5> is used then the derivation algorithm is compatible with PKCS#5 v1.5
-otherwise a non standard extension is used to derive the extra data.
-
-Newer applications should use more standard algorithms such as PKCS#5
-v2.0 for key derivation.
-
-=head1 KEY DERIVATION ALGORITHM
-
-The key and IV is derived by concatenating D_1, D_2, etc until
-enough data is available for the key and IV. D_i is defined as:
-
-	D_i = HASH^count(D_(i-1) || data || salt)
-
-where || denotes concatentaion, D_0 is empty, HASH is the digest
-algorithm in use, HASH^1(data) is simply HASH(data), HASH^2(data)
-is HASH(HASH(data)) and so on.
-
-The initial bytes are used for the key and the subsequent bytes for
-the IV.
-
-=head1 RETURN VALUES
-
-EVP_BytesToKey() returns the size of the derived key in bytes.
-
-=head1 SEE ALSO
-
-L<evp(3)|evp(3)>, L<rand(3)|rand(3)>,
-L<EVP_EncryptInit(3)|EVP_EncryptInit(3)>
-
-=head1 HISTORY
-
-=cut