| SYNOPSIS | 
#include <dkim.h>
DKIM_STAT dkim_sig_getsignalg(
	DKIM_SIGINFO *sig,
        dkim_alg_t *alg
);
Retrieve the signature algorithm used to sign a message after verification. | 
|---|
| DESCRIPTION | 
| Called When | dkim_sig_getsignalg() is called after a signature is processed
    either explicitly by a call to
    dkim_sig_process() or by
    dkim_eom() to get the signing
    algorithm that was used to sign a message. |  | 
|---|
| ARGUMENTS | 
    | Argument | Description | 
|---|
 | sig | Signature-specific handle. |  | alg | A pointer to a dkim_alg_t which will receive
        the algorithm that was used to sign the message. |  | 
|---|
| RETURN VALUES | 
    | Value | Description | 
|---|
 | DKIM_STAT_INVALID | The function was called before dkim_sig_process() or
        dkim_eom() processed the siganture. |  | DKIM_STAT_OK | Successful completion. |  | 
|---|
| NOTES |  |