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EVP_DigestSignInit.pod: Clarification in EVP_DigestSignFinal() parameter 'sig'

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Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15354)
This commit is contained in:
Dr. David von Oheimb 2021-05-19 16:12:49 +02:00 committed by Pauli
parent 0a281eefb6
commit 1202103583
1 changed files with 3 additions and 2 deletions
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doc/man3/EVP_DigestSignInit.pod
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@ -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