Various review fixes for PSK early_data support

[openssl.git] / doc / man3 / EVP_DigestVerifyInit.pod

diff --git a/doc/man3/EVP_DigestVerifyInit.pod b/doc/man3/EVP_DigestVerifyInit.pod
index 0132c0634ef440cf2196c400b52a8147adae6d4c..2191b9edbf363b8ca8e9b59af1592101dda0c499 100644 (file)
--- a/doc/man3/EVP_DigestVerifyInit.pod
+++ b/doc/man3/EVP_DigestVerifyInit.pod
@@ -10,7 +10,7 @@ EVP_DigestVerify - EVP signature verification functions
  #include <openssl/evp.h>
 
  int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
-                        const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
+                          const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
  int EVP_DigestVerifyUpdate(EVP_MD_CTX *ctx, const void *d, size_t cnt);
  int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,
                            size_t siglen);
@@ -22,7 +22,7 @@ EVP_DigestVerify - EVP signature verification functions
 The EVP signature routines are a high level interface to digital signatures.
 
 EVP_DigestVerifyInit() sets up verification context B<ctx> to use digest
-B<type> from ENGINE B<impl> and public key B<pkey>. B<ctx> must be created
+B<type> from ENGINE B<e> and public key B<pkey>. B<ctx> must be created
 with EVP_MD_CTX_new() before calling this function. If B<pctx> is not NULL the
 EVP_PKEY_CTX of the verification operation will be written to B<*pctx>: this
 can be used to set alternative verification options.
@@ -35,7 +35,7 @@ using a macro.
 EVP_DigestVerifyFinal() verifies the data in B<ctx> against the signature in
 B<sig> of length B<siglen>.
 
-EVP_DogestVerify() verifies B<tbslen> bytes at B<tbs> against the signature
+EVP_DigestVerify() verifies B<tbslen> bytes at B<tbs> against the signature
 in B<sig> of length B<siglen>.
 
 =head1 RETURN VALUES
@@ -57,9 +57,11 @@ The B<EVP> interface to digital signatures should almost always be used in
 preference to the low level interfaces. This is because the code then becomes
 transparent to the algorithm used and much more flexible.
 
-EVP_DigesVerify() is a single part operation which verifies a single block of
-data in one function. It is equivalent to calling EVP_DigestVerifyUpdate() and
-EVP_DigestVerifyFinal().
+EVP_DigestVerify() is a one shot operation which verifies a single block of
+data in one function. For algorithms that support streaming it is equivalent
+to calling EVP_DigestVerifyUpdate() and EVP_DigestVerifyFinal(). For
+algorithms which do not support streaming (e.g. PureEdDSA) it is the only way
+to verify data.
 
 In previous versions of OpenSSL there was a link between message digest types
 and public key algorithms. This meant that "clone" digests such as EVP_dss1()