1The key, message, and signature come from Example 1 of:
2ftp://ftp.rsa.com/pub/rsalabs/tmp/pkcs1v15sign-vectors.txt
3
4(The algorithm DER was synthesized to match, and the signature enclosed in a BIT STRING).
5
6It uses an RSA key with modulus length of 1024 bits, PKCS#1 v1.5 padding, and
7SHA-1 as the digest.
8
9
10
11-----BEGIN PUBLIC KEY-----
12MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClbkoOcBAXWJpRh9x+qEHRVvLsDjatUqRN/rH
13mH3rZkdjFEFb/7bFitMDyg6EqiKOU3/Umq3KRy7MHzqv84LHf1c2VCAltWyuLbfXWce9jd8CSHL
14I8Jwpw4lmOb/idGfEFrMLT8Ms18pKA4Thrb2TE7yLh4fINDOjP+yJJvZohNwIDAQAB
15-----END PUBLIC KEY-----
16
17$ openssl asn1parse -i < [PUBLIC KEY]
18    0:d=0  hl=3 l= 159 cons: SEQUENCE
19    3:d=1  hl=2 l=  13 cons:  SEQUENCE
20    5:d=2  hl=2 l=   9 prim:   OBJECT            :rsaEncryption
21   16:d=2  hl=2 l=   0 prim:   NULL
22   18:d=1  hl=3 l= 141 prim:  BIT STRING
23
24
25
26-----BEGIN ALGORITHM-----
27MA0GCSqGSIb3DQEBBQUA
28-----END ALGORITHM-----
29
30$ openssl asn1parse -i < [ALGORITHM]
31    0:d=0  hl=2 l=  13 cons: SEQUENCE
32    2:d=1  hl=2 l=   9 prim:  OBJECT            :sha1WithRSAEncryption
33   13:d=1  hl=2 l=   0 prim:  NULL
34
35
36
37-----BEGIN DATA-----
38zch9oiPXht87ReC7vHITJtHuKvgGzDFUdcxvDZxm4bYjcdRc4jkuGskoRMMQEC8Vag2NUsH0xAu
39jqmUJV4bLdpdXplY7qVj+0LzJhOi1F6PV9RWyO4pB50qoZ2k/kN+wYabobfqu5kRywA5fIJRXKc
40vr538Gznjgj0CY+6QfnWGTwDF+i2DUtghKy0LSnjgIo7w3LYXjMRcPy/fMctC3HClmSLOk0Q9BY
41pXQgHqmJcqydE/Z6o/SI8QlNwKYKL0WvgJUbxMP0uM7k20mduCK7RtzMYt1CgFn0A==
42-----END DATA-----
43
44
45
46-----BEGIN SIGNATURE-----
47A4GBAGvDoGZWhCkwokfjDVhktNgZI2unxollhirX28TiSvKOhrtTHwM1i+X7dHd8YIb4UMrviT8
48Nb8wtDJHsATaTtOoAuAzUmqxOy1+JEa/lOa2kqPOCPR0T5HLRSQVHxlnHYX89JAh9228rcglhZ/
49wJfKsY6aRY/LY0zc6O41iUxITX
50-----END SIGNATURE-----
51
52$ openssl asn1parse -i < [SIGNATURE]
53    0:d=0  hl=3 l= 129 prim: BIT STRING
54