/**
* Signature algorithm. Could be one of these values :
* - HS256: HMAC using SHA-256 hash algorithm (default)
* - HS384: HMAC using SHA-384 hash algorithm
* - HS512: HMAC using SHA-512 hash algorithm
* - RS256: RSASSA using SHA-256 hash algorithm
* - RS384: RSASSA using SHA-384 hash algorithm
* - RS512: RSASSA using SHA-512 hash algorithm
* - ES256: ECDSA using P-256 curve and SHA-256 hash algorithm
* - ES384: ECDSA using P-384 curve and SHA-384 hash algorithm
* - ES512: ECDSA using P-521 curve and SHA-512 hash algorithm
* - none: No digital signature or MAC value included
*/
/**
* Signature algorithm. Could be one of these values :
* - HS256: HMAC using SHA-256 hash algorithm (default)
* - HS384: HMAC using SHA-384 hash algorithm
* - HS512: HMAC using SHA-512 hash algorithm
* - RS256: RSASSA using SHA-256 hash algorithm
* - RS384: RSASSA using SHA-384 hash algorithm
* - RS512: RSASSA using SHA-512 hash algorithm
* - ES256: ECDSA using P-256 curve and SHA-256 hash algorithm
* - ES384: ECDSA using P-384 curve and SHA-384 hash algorithm
* - ES512: ECDSA using P-521 curve and SHA-512 hash algorithm
* - none: No digital signature or MAC value included
*/
