SAP ABAP Class CL_ST_CRYPTO_SYSTEM (HMAC Signature with System Key) is using

• Class (21)
• Data Element (7)
• Table/Structure Field (18)
• Function Module (2)
• Interface (1)
• Class Method (16)
• Program (4)
• Table (8)

#	Object Type	Object Name	Object Description	Note
1	Interface	IF_WSSE_TYPES	Type definitions for Web Service Security