1Same test as rsa-pkcs1-sha1.pem except the length of the first SEQUENCE has 2been increased by 2 (which makes it invalid). 3 4 5 6-----BEGIN PUBLIC KEY----- 7MIOfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClbkoOcBAXWJpRh9x+qEHRVvLsDjatUqRN/rH 8mH3rZkdjFEFb/7bFitMDyg6EqiKOU3/Umq3KRy7MHzqv84LHf1c2VCAltWyuLbfXWce9jd8CSHL 9I8Jwpw4lmOb/idGfEFrMLT8Ms18pKA4Thrb2TE7yLh4fINDOjP+yJJvZohNwIDAQAB 10-----END PUBLIC KEY----- 11 12$ openssl asn1parse -i < [PUBLIC KEY] 13Error in encoding 14 15 16 17-----BEGIN ALGORITHM----- 18MA0GCSqGSIb3DQEBBQUA 19-----END ALGORITHM----- 20 21$ openssl asn1parse -i < [ALGORITHM] 22 0:d=0 hl=2 l= 13 cons: SEQUENCE 23 2:d=1 hl=2 l= 9 prim: OBJECT :sha1WithRSAEncryption 24 13:d=1 hl=2 l= 0 prim: NULL 25 26 27 28-----BEGIN DATA----- 29zch9oiPXht87ReC7vHITJtHuKvgGzDFUdcxvDZxm4bYjcdRc4jkuGskoRMMQEC8Vag2NUsH0xAu 30jqmUJV4bLdpdXplY7qVj+0LzJhOi1F6PV9RWyO4pB50qoZ2k/kN+wYabobfqu5kRywA5fIJRXKc 31vr538Gznjgj0CY+6QfnWGTwDF+i2DUtghKy0LSnjgIo7w3LYXjMRcPy/fMctC3HClmSLOk0Q9BY 32pXQgHqmJcqydE/Z6o/SI8QlNwKYKL0WvgJUbxMP0uM7k20mduCK7RtzMYt1CgFn0A== 33-----END DATA----- 34 35 36 37-----BEGIN SIGNATURE----- 38A4GBAGvDoGZWhCkwokfjDVhktNgZI2unxollhirX28TiSvKOhrtTHwM1i+X7dHd8YIb4UMrviT8 39Nb8wtDJHsATaTtOoAuAzUmqxOy1+JEa/lOa2kqPOCPR0T5HLRSQVHxlnHYX89JAh9228rcglhZ/ 40wJfKsY6aRY/LY0zc6O41iUxITX 41-----END SIGNATURE----- 42 43$ openssl asn1parse -i < [SIGNATURE] 44 0:d=0 hl=3 l= 129 prim: BIT STRING 45