Fix documented max. length for info buffer in HKDF

This limit was increased with 20c2876f24d0 ("Increase
HKDF_MAXBUF from 1024 to 2048").

CLA: trivial

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19085)

(cherry picked from commit d4ffdc42cb579a1ea6e3c95601c5845866028ebb)

diff --git a/doc/man3/EVP_PKEY_CTX_set_hkdf_md.pod b/doc/man3/EVP_PKEY_CTX_set_hkdf_md.pod
index 15b908e540aa3e113959030a507f0c81c1f4dc1b..81ee5c485b5cc1cb0d1067273aaed724ff06cc24 100644 (file)
--- a/doc/man3/EVP_PKEY_CTX_set_hkdf_md.pod
+++ b/doc/man3/EVP_PKEY_CTX_set_hkdf_md.pod
@@ -99,7 +99,7 @@ A context for HKDF can be obtained by calling:
 
  EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL);
 
-The total length of the info buffer cannot exceed 1024 bytes in length: this
+The total length of the info buffer cannot exceed 2048 bytes in length: this
 should be more than enough for any normal use of HKDF.
 
 The output length of an HKDF expand operation is specified via the length