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diff --git a/src/lib/libcrypto/doc/PKCS5_PBKDF2_HMAC.pod b/src/lib/libcrypto/doc/PKCS5_PBKDF2_HMAC.pod
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index 7a2b8e6187..0000000000
--- a/src/lib/libcrypto/doc/PKCS5_PBKDF2_HMAC.pod
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@@ -1,64 +0,0 @@
-=pod
-
-=head1 NAME
-
-PKCS5_PBKDF2_HMAC, PKCS5_PBKDF2_HMAC_SHA1 - password based derivation routines with salt and iteration count
-
-=head1 SYNOPSIS
-
- #include <openssl/evp.h>
-
- int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
-                       const unsigned char *salt, int saltlen, int iter,
-                       const EVP_MD *digest,
-                       int keylen, unsigned char *out);
-
-int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
-                           const unsigned char *salt, int saltlen, int iter,
-                           int keylen, unsigned char *out);
-
-=head1 DESCRIPTION
-
-PKCS5_PBKDF2_HMAC() derives a key from a password using a salt and iteration count
-as specified in RFC 2898.
-
-B<pass> is the password used in the derivation of length B<passlen>. B<pass>
-is an optional parameter and can be NULL. If B<passlen> is -1, then the
-function will calculate the length of B<pass> using strlen().
-
-B<salt> is the salt used in the derivation of length B<saltlen>. If the
-B<salt> is NULL, then B<saltlen> must be 0. The function will not
-attempt to calculate the length of the B<salt> because it is not assumed to
-be NULL terminated.
-
-B<iter> is the iteration count and its value should be greater than or 
-equal to 1. RFC 2898 suggests an iteration count of at least 1000. Any
-B<iter> less than 1 is treated as a single iteration.
-
-B<digest> is the message digest function used in the derivation. Values include
-any of the EVP_* message digests. PKCS5_PBKDF2_HMAC_SHA1() calls
-PKCS5_PBKDF2_HMAC() with EVP_sha1().
-
-The derived key will be written to B<out>. The size of the B<out> buffer
-is specified via B<keylen>.
-
-=head1 NOTES
-
-A typical application of this function is to derive keying material for an
-encryption algorithm from a password in the B<pass>, a salt in B<salt>,
-and an iteration count.
-
-Increasing the B<iter> 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.
-
-=head1 RETURN VALUES
-
-PKCS5_PBKDF2_HMAC() and PBKCS5_PBKDF2_HMAC_SHA1() return 1 on success or 0 on error.
-
-=head1 SEE ALSO
-
-L<evp(3)|evp(3)>, L<rand(3)|rand(3)>,
-L<EVP_BytesToKey(3)|EVP_BytesToKey(3)>
-
-=cut