kcapi_md_sha1 - Man Page

SHA-1 message digest on one buffer

Synopsis

ssize_t kcapi_md_sha1(const uint8_t * in, size_t inlen, uint8_t * out, size_t outlen);

Arguments

in

[in] buffer with input data

inlen

[in] length of input buffer

out

[out] buffer for message digest

outlen

[in] length of out

Description

With this one-shot convenience function, a message digest of the given buffer is generated​. The output buffer must be allocated by the caller and have at least the length of the message digest size for the chosen message digest​.

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.

Info

August 2026 libkcapi Manual 1.5.1 Programming Interface