kcapi_md_final(3)

message digest finalization function (stream)

Section 3 libkcapi-dev bookworm source

Description

KCAPI_MD_FINAL

NAME

kcapi_md_final - message digest finalization function (stream)

SYNOPSIS

ssize_t kcapi_md_final(struct kcapi_handle * handle, uint8_t * buffer, size_t len);

ARGUMENTS

handle

[in] cipher handle

buffer

[out] filled with the message digest

len

[in] buffer length

DESCRIPTION

return size of message digest upon success; -EIO - data cannot be obtained; -ENOMEM - buffer is too small for the complete message digest, the buffer is filled with the truncated message digest

AUTHOR

Stephan Mueller <smueller@chronox.de>

Author.