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| author | Dr. David von Oheimb <David.von.Oheimb@siemens.com> | 2021-05-19 16:12:49 +0200 |
|---|---|---|
| committer | Pauli <pauli@openssl.org> | 2021-05-21 10:06:35 +1000 |
| commit | 1202103583b591da0e67d07626d35fd72d87dafa (patch) | |
| tree | 114bd0e4e6d337a0c41dd083286015128426a279 /doc | |
| parent | 0a281eefb6355d62b2e2a66e425c6966d7f29486 (diff) | |
| download | openssl-new-1202103583b591da0e67d07626d35fd72d87dafa.tar.gz | |
EVP_DigestSignInit.pod: Clarification in EVP_DigestSignFinal() parameter 'sig'
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15354)
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/man3/EVP_DigestSignInit.pod | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/man3/EVP_DigestSignInit.pod b/doc/man3/EVP_DigestSignInit.pod index d61f20bed3..a24db53949 100644 --- a/doc/man3/EVP_DigestSignInit.pod +++ b/doc/man3/EVP_DigestSignInit.pod @@ -118,8 +118,9 @@ EVP_DigestSignUpdate() hashes I<cnt> bytes of data at I<d> into the signature context I<ctx>. This function can be called several times on the same I<ctx> to include additional data. -EVP_DigestSignFinal() signs the data in I<ctx> and places the signature in I<sig>. -If I<sig> is NULL then the maximum size of the output buffer is written to +Unless I<sig> is NULL EVP_DigestSignFinal() signs the data in I<ctx> +and places the signature in I<sig>. +Otherwise the maximum necessary size of the output buffer is written to the I<siglen> parameter. If I<sig> is not NULL then before the call the I<siglen> parameter should contain the length of the I<sig> buffer. If the call is successful the signature is written to I<sig> and the amount of data |