diff options
Diffstat (limited to 'doc/man3/EVP_DigestSignInit.pod')
| -rw-r--r-- | doc/man3/EVP_DigestSignInit.pod | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/doc/man3/EVP_DigestSignInit.pod b/doc/man3/EVP_DigestSignInit.pod index 400e89d5f5..19198016e0 100644 --- a/doc/man3/EVP_DigestSignInit.pod +++ b/doc/man3/EVP_DigestSignInit.pod @@ -31,7 +31,7 @@ the signing algorithm supports it. Only EVP_PKEY types that support signing can be used with these functions. This includes MAC algorithms where the MAC generation is considered as a form of -"signing." Built-in EVP_PKEY types supported by these functions are CMAC, +"signing". Built-in EVP_PKEY types supported by these functions are CMAC, Poly1305, DSA, ECDSA, HMAC, RSA, SipHash, Ed25519 and Ed448. Not all digests can be used for all key types. The following combinations apply. @@ -80,10 +80,10 @@ signature context B<ctx>. This function can be called several times on the same B<ctx> to include additional data. This function is currently implemented using a macro. -EVP_DigestSignFinal() signs the data in B<ctx> places the signature in B<sig>. +EVP_DigestSignFinal() signs the data in B<ctx> and places the signature in B<sig>. If B<sig> is B<NULL> then the maximum size of the output buffer is written to the B<siglen> parameter. If B<sig> is not B<NULL> then before the call the -B<siglen> parameter should contain the length of the B<sig> buffer, if the +B<siglen> parameter should contain the length of the B<sig> buffer. If the call is successful the signature is written to B<sig> and the amount of data written to B<siglen>. @@ -95,7 +95,7 @@ EVP_DigestSignFinal(). EVP_DigestSignInit(), EVP_DigestSignUpdate(), EVP_DigestSignaFinal() and EVP_DigestSign() return 1 for success and 0 or a negative value for failure. In -particular a return value of -2 indicates the operation is not supported by the +particular, a return value of -2 indicates the operation is not supported by the public key algorithm. The error codes can be obtained from L<ERR_get_error(3)>. @@ -123,7 +123,7 @@ The call to EVP_DigestSignFinal() internally finalizes a copy of the digest context. This means that calls to EVP_DigestSignUpdate() and EVP_DigestSignFinal() can be called later to digest and sign additional data. -Since only a copy of the digest context is ever finalized the context must +Since only a copy of the digest context is ever finalized, the context must be cleaned up after use by calling EVP_MD_CTX_free() or a memory leak will occur. |