Went for 1990s but don't know if this is right. Had to pick something. Directly from wikipedia: * 1994 - Peter Shor devises an algorithm which lets quantum computers determine the factorization of large integers quickly. This is the first interesting problem for which quantum computers promise a significant speed-up, and it therefore generates a lot of interest in quantum computers. So looks like 1990's is correct.
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The first airplane was introduced about 1897.
Encryption
it was introduced in 1923
Cattle were first introduced with the First Fleet in January 1788.
The first camcorder was introduced around 1982 by JVC.
The factory act was first introduced in 1833.
He is introduced in the first page of Stave one.
RSA
Some block cipher modes of operation only use encryption because the input is set to some initialization vector and the leftmost bits of the output of the encryption function are XORed with the first segment of plain text p1 to produce the first unit of cipher text C1 and it is transmitted. While in decryption, the cipher text is XORed with the output of the encryption function to produce the plain text.
It was first introduced in 1987