mbx_ed25519_sign_mb8
mbx_ed25519_sign_mb8
Computes signature.
Syntax
mbx_status mbx_ed25519_sign_mb8(ed25519_sign_component*
pa_sign_r
[8], ed25519_sign_component*
pa_sign_s
[8], const int8u* const
pa_msg
[8], const int32u
msgLen
[8], const ed25519_private_key* const
pa_private_key
[8], const ed25519_public_key* const
pa_public_key
[8]
);
Include Files
crypto_mb/ed25519.h
Parameters
- pa_sign_r
- Array of pointers to the signature's r- components of 32 bytes length each.
- pa_sign_s
- Array of pointers to the signature's s- components of 32 bytes length each.
- pa_msg
- Array of pointers to the messages.
- msgLen
- Array of the message's lengths above in bytes.
- pa_public_key
- Array of pointers to the public keys of 32 bytes length each.
- pa_private_key
- Array of pointers to the private keys of 32 bytes length each.
Description
The
mbx_ed25519_sign_mb8
function computes r-
and s-
signature components, each of which corresponds to the message specified by pa_msg[i]
parameter of msgLen[i]
length. The pair {private, public}
keys specified by pa_private_key[i]
and pa_public_key[i]
parameters.mbx_ed25519_sign_mb8
is implementing so called PureEDDSA variant of EdDSA. For more information, see RFC 8032.Return Values
The
mbx_ ed25519_public_key_mb8
function returns the status that indicates whether the operation completed successfully or not. The status value of 0 indicates that all operations completed successfully. The error condition can be analyzed by the MBX_GET_STS()
call. The result of verification is returned as status too. The MBX_STATUS_OK
value means that signature is verified, else status contains MBX_STATUS_SIGNATURE_ERR
value.