Fix documented max. length for info buffer in HKDF
This limit was increased with ("Increase
HKDF_MAXBUF from 1024 to 2048").
CLA: trivial
@@ -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
