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import hashlib
class Algorithms:
# DS Algorithms
NONE = "none"
HS256 = "HS256"
HS384 = "HS384"
HS512 = "HS512"
RS256 = "RS256"
RS384 = "RS384"
RS512 = "RS512"
ES256 = "ES256"
ES384 = "ES384"
ES512 = "ES512"
# Content Encryption Algorithms
A128CBC_HS256 = "A128CBC-HS256"
A192CBC_HS384 = "A192CBC-HS384"
A256CBC_HS512 = "A256CBC-HS512"
A128GCM = "A128GCM"
A192GCM = "A192GCM"
A256GCM = "A256GCM"
# Pseudo algorithm for encryption
A128CBC = "A128CBC"
A192CBC = "A192CBC"
A256CBC = "A256CBC"
# CEK Encryption Algorithms
DIR = "dir"
RSA1_5 = "RSA1_5"
RSA_OAEP = "RSA-OAEP"
RSA_OAEP_256 = "RSA-OAEP-256"
A128KW = "A128KW"
A192KW = "A192KW"
A256KW = "A256KW"
ECDH_ES = "ECDH-ES"
ECDH_ES_A128KW = "ECDH-ES+A128KW"
ECDH_ES_A192KW = "ECDH-ES+A192KW"
ECDH_ES_A256KW = "ECDH-ES+A256KW"
A128GCMKW = "A128GCMKW"
A192GCMKW = "A192GCMKW"
A256GCMKW = "A256GCMKW"
PBES2_HS256_A128KW = "PBES2-HS256+A128KW"
PBES2_HS384_A192KW = "PBES2-HS384+A192KW"
PBES2_HS512_A256KW = "PBES2-HS512+A256KW"
# Compression Algorithms
DEF = "DEF"
HMAC = {HS256, HS384, HS512}
RSA_DS = {RS256, RS384, RS512}
RSA_KW = {RSA1_5, RSA_OAEP, RSA_OAEP_256}
RSA = RSA_DS.union(RSA_KW)
EC_DS = {ES256, ES384, ES512}
EC_KW = {ECDH_ES, ECDH_ES_A128KW, ECDH_ES_A192KW, ECDH_ES_A256KW}
EC = EC_DS.union(EC_KW)
AES_PSEUDO = {A128CBC, A192CBC, A256CBC, A128GCM, A192GCM, A256GCM}
AES_JWE_ENC = {A128CBC_HS256, A192CBC_HS384, A256CBC_HS512, A128GCM, A192GCM, A256GCM}
AES_ENC = AES_JWE_ENC.union(AES_PSEUDO)
AES_KW = {A128KW, A192KW, A256KW}
AEC_GCM_KW = {A128GCMKW, A192GCMKW, A256GCMKW}
AES = AES_ENC.union(AES_KW)
PBES2_KW = {PBES2_HS256_A128KW, PBES2_HS384_A192KW, PBES2_HS512_A256KW}
HMAC_AUTH_TAG = {A128CBC_HS256, A192CBC_HS384, A256CBC_HS512}
GCM = {A128GCM, A192GCM, A256GCM}
SUPPORTED = HMAC.union(RSA_DS).union(EC_DS).union([DIR]).union(AES_JWE_ENC).union(RSA_KW).union(AES_KW)
ALL = SUPPORTED.union([NONE]).union(AEC_GCM_KW).union(EC_KW).union(PBES2_KW)
HASHES = {
HS256: hashlib.sha256,
HS384: hashlib.sha384,
HS512: hashlib.sha512,
RS256: hashlib.sha256,
RS384: hashlib.sha384,
RS512: hashlib.sha512,
ES256: hashlib.sha256,
ES384: hashlib.sha384,
ES512: hashlib.sha512,
}
KEYS = {}
ALGORITHMS = Algorithms()
class Zips:
DEF = "DEF"
NONE = None
SUPPORTED = {DEF, NONE}
ZIPS = Zips()
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