From 8d2b1819ef66206d19c1b0ecbf3ca882fed04721 Mon Sep 17 00:00:00 2001 From: Matt Caswell Date: Tue, 25 Oct 2016 17:10:44 +0100 Subject: [PATCH] Document the HMAC_size() function Reviewed-by: Rich Salz --- doc/man3/HMAC.pod | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/doc/man3/HMAC.pod b/doc/man3/HMAC.pod index 87f7e33086..595d67d245 100644 --- a/doc/man3/HMAC.pod +++ b/doc/man3/HMAC.pod @@ -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. 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 -- 2.25.1