Document the HMAC changes

[openssl.git] / doc / crypto / BN_bn2bin.pod

diff --git a/doc/crypto/BN_bn2bin.pod b/doc/crypto/BN_bn2bin.pod
index 6bf5f348228e64bc94e2b7934e4814902f5da4f9..dd1007d2ce329ae0c1cc52f094ad880252f5c128 100644 (file)
--- a/doc/crypto/BN_bn2bin.pod
+++ b/doc/crypto/BN_bn2bin.pod
@@ -3,7 +3,7 @@
 =head1 NAME
 
 BN_bn2bin, BN_bin2bn, BN_bn2hex, BN_bn2dec, BN_hex2bn, BN_dec2bn,
-BN_print, BN_print_fp, BN_bn2mpi, BN_mpi2bn - Format conversions
+BN_print, BN_print_fp, BN_bn2mpi, BN_mpi2bn - format conversions
 
 =head1 SYNOPSIS
 
@@ -36,7 +36,7 @@ NULL, a new B<BIGNUM> is created.
 BN_bn2hex() and BN_bn2dec() return printable strings containing the
 hexadecimal and decimal encoding of B<a> respectively. For negative
 numbers, the string is prefaced with a leading '-'. The string must be
-Free()d later.
+freed later using OPENSSL_free().
 
 BN_hex2bn() converts the string B<str> containing a hexadecimal number
 to a B<BIGNUM> and stores it in **B<bn>. If *B<bn> is NULL, a new
@@ -49,7 +49,7 @@ with a leading '-' for negative numbers, to the B<BIO> or B<FILE>
 B<fp>.
 
 BN_bn2mpi() and BN_mpi2bn() convert B<BIGNUM>s from and to a format
-that consists of the number's length in bytes represented as a 3-byte
+that consists of the number's length in bytes represented as a 4-byte
 big-endian number, and the number itself in big-endian format, where
 the most significant bit signals a negative number (the representation
 of numbers with the MSB set is prefixed with null byte).
@@ -76,20 +76,12 @@ BN_print_fp() and BN_print() return 1 on success, 0 on write errors.
 BN_bn2mpi() returns the length of the representation. BN_mpi2bn()
 returns the B<BIGNUM>, and NULL on error.
 
-The error codes can be obtained by L<ERR_get_error(3)|ERR_get_error(3)>.
+The error codes can be obtained by L<ERR_get_error(3)>.
 
 =head1 SEE ALSO
 
-L<bn(3)|bn(3)>, L<err(3)|err(3)>, L<BN_zero(3)|BN_zero(3)>,
-L<ASN1_INTEGER_to_BN(3)|ASN1_INTEGER_to_BN(3)>,
-L<BN_num_bytes(3)|BN_num_bytes(3)>
-
-=head1 HISTORY
-
-BN_bn2bin(), BN_bin2bn(), BN_print_fp() and BN_print() are available
-in all versions of SSLeay and OpenSSL.
-
-BN_bn2hex(), BN_bn2dec(), BN_hex2bn(), BN_dec2bn(), BN_bn2mpi() and
-BN_mpi2bn() were added in SSLeay 0.9.0.
+L<bn(3)>, L<ERR_get_error(3)>, L<BN_zero(3)>,
+L<ASN1_INTEGER_to_BN(3)>,
+L<BN_num_bytes(3)>
 
 =cut