Defines the algorithms used for standard ICP-Brazil asymmetric encryption
For more information, read ICP-BRAZIL'S CRYPTOGRAPHIC PATTERNS AND ALGORITHMS (DOC ICP-01.01)
Generation of AC Asymmetric Keys ICP-Brazil Standard = DOC-ICP-01 - item 6.1.1.3,
DOC-ICP-04 - item 6.1.1.3, DOC-ICP-01 - item 6.1.5, DOC-ICP-05 - item 6.1.5
Algorithm = RSA, ECDSA (according to RFC 5480)
Key size = RSA 2048, RSA 4096, ECDSA 512
End-User Asymmetric Key Generation
ICP-Brazil Standard = DOC-ICP-04 - item 6.1.5.2
Algorithm = RSA, ECDSA (according to RFC 5480)
Key size A1, A2, A3, S1, S2, S3, T3 = RSA 1024, RSA 2048, ECDSA 256
Key size A4, S4, T4 = RSA 2048, RSA 4096, ECDSA 512