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 |   1 This is a basic constraints extension, where the critical field (BOOLEAN) is 3. | 
 |   2  | 
 |   3 This is not valid because BOOLEANs in DER-encoding should use an octet of | 
 |   4 either all 0 bits or all 1 bits. | 
 |   5  | 
 |   6  | 
 |   7 $ openssl asn1parse -i < [EXTENSION] | 
 |   8     0:d=0  hl=2 l=  12 cons: SEQUENCE           | 
 |   9     2:d=1  hl=2 l=   3 prim:  OBJECT            :X509v3 Basic Constraints | 
 |  10     7:d=1  hl=2 l=   1 prim:  BOOLEAN           :3 | 
 |  11    10:d=1  hl=2 l=   2 prim:  OCTET STRING      [HEX DUMP]:3000 | 
 |  12  | 
 |  13 -----BEGIN EXTENSION----- | 
 |  14 MAwGA1UdEwEBAwQCMAA= | 
 |  15 -----END EXTENSION----- | 
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