The largest postcard size that still qualifies for standard postage is 4.25 inches by 6 inches. The smallest postcard for the standard rate is 3.5 inches by 5 inches. All postcards must have a paper thickness that measures between 0.007 inches and 0.016 inches.
RSA is a subsidiary of EMC; its SecurID system allows admins to configure, assign, and manage token-based authentication from a central site. According to Coviello, RSA has found no signs that the hackers made off with any customer- or employee-specific data or any information about other RSA or EMC products.
The algorithm is RSA. The exponent e is 65537 and the modulus n is a 128-byte behemoth. What you see here is the hexadecimal representation of a 1,024-bit number. There's no further encoding here; this is the number n used by the RSA algorithm.