Commit 8d2b1819 authored by Matt Caswell's avatar Matt Caswell
Browse files

Document the HMAC_size() function 



Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
parent be2ef0e2

doc/man3/HMAC.pod

+9 −1
Original line number Diff line number Diff line
@@ -12,7 +12,8 @@ HMAC_Update, 
HMAC_Final,

HMAC_CTX_copy,

HMAC_CTX_set_flags,

HMAC_CTX_get_md

HMAC_CTX_get_md,

HMAC_size

- HMAC message authentication code



=head1 SYNOPSIS
@@ -37,6 +38,8 @@ HMAC_CTX_get_md 
 void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags);

 const EVP_MD *HMAC_CTX_get_md(const HMAC_CTX *ctx);



 size_t HMAC_size(const HMAC_CTX *e);



Deprecated:



 #if OPENSSL_API_COMPAT < 0x10100000L
@@ -105,6 +108,8 @@ These flags have the same meaning as for L<EVP_MD_CTX_set_flags(3)>. 
HMAC_CTX_get_md() returns the EVP_MD that has previously been set for the

supplied HMAC_CTX.



HMAC_size() returns the length in bytes of the underlying hash function output.



=head1 RETURN VALUES



HMAC() returns a pointer to the message authentication code or NULL if
@@ -119,6 +124,9 @@ HMAC_CTX_copy() return 1 for success or 0 if an error occurred. 
HMAC_CTX_get_md() return the EVP_MD previously set for the supplied HMAC_CTX or

NULL if no EVP_MD has been set.



HMAC_size() returns the length in bytes of the underlying hash function output

or zero on error.



=head1 CONFORMING TO



RFC 2104