Recorded live at TV Cultura studios in São Paulo. Maria Rosa Canelas (July 30, 1941 - June 10, 2004), better known as Rosinha de Valença, was a Brazilian composer, arranger and musician. She was considered one of the best acoustic guitarist in Brazilian music and played with many famous artists, such as Baden Powell, Sérgio Mendes and Sivuca. (wikipedia)

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Part two of a four-part series on the history of the cypherpunk movement of the 1990s. Watch part one: https://lbry.tv/@bucket:9/cypherpunks-write-code-before-the-web-pt-1:5 ------------------ YouTube channel: https://www.youtube.com/ReasonTV Twitter: https://twitter.com/reason Reason is the planet's leading source of news, politics, and culture from a libertarian perspective. Go to reason.com for a point of view you won't get from legacy media and old left-right opinion magazines. ---------------- "Large bureaucracies, with the power that the computer gives them, become more powerful," said New York Times reporter David Burnham in a 1983 C-Span interview about his book The Rise of the Computer State. "They are escaping the checks and balances of representative democracy." Burnham warned that the integration of computers into every aspect of daily life could lead to a "level of automated surveillance unknown in any previous age." For society to change course, Burham argued, citizens would need to rise up through the democratic process and demand new legal protections to safeguard their privacy. "There are ways to deal with it," Burnham told C-SPAN. "We have done it. And all I hope is that we're on our toes enough and alert enough to see them and go after them." "This is just political jawboning," retorted Timothy C. May to the idea that politics could keep the computer state in check. May, a former Intel physicist, believed that putting faith in representative democracy was naive and that only technology could save us from the Orwellian state. He became a co-founder of the cypherpunk movement, which came together in the early 1990s around the idea that a recent breakthrough in the field of cryptography was the key innovation for combatting tyranny. The second part in Reason's four-part documentary series on this movement, "Cypherpunks Write Code," looks at the political implications of this breakthrough in cryptography. (Part one is here.) The cypherpunks saw cryptography as comparable to the crossbow, which had enabled individuals to go up against medieval armies, as mathemetician Chuck Hammill argued in a 1987 paper presented to the Future of Freedom Conference. "I certainly do not disparage the concept of political action," Hammill wrote, but "for a fraction of the investment in time, money and effort I might expend in trying to convince the state to abolish wiretapping and all forms of censorship?I can teach every libertarian who's interested how to use cryptography to abolish them unilaterally." Hammil's paper, "From Crossbows To Cryptography: Techno-Thwarting The State," was the first item posted to the cypherpunks' widely read email list. "The mathematics which makes this principle possible," as Hammill put it, was public-key cryptography, an astonishing breakthrough. It was developed by the Stanford cryptographers Whitfield Diffie and Martin E. Hellmann, who first explained the concept in a November 1976 paper published in IEEE Transactions on Information Theory. The following year, a team of researchers at MIT developed the first working public-key system, known as RSA. Go to reason.com for full text and links. Written, shot, edited, narrated, and graphics by Jim Epstein; opening and closing graphics by Lex Villena; audio production by Ian Keyser; archival research by Regan Taylor. Music: "Sunset" by Kai Engel, Creative Commons Attribution 4.0 International; "Prelude in C" by Kevin MacLeod, Creative Commons Attribution license. Photos: Whitfield Diffie, Chuck Painter/Stanford News Service; NSA headquarters, Dod/ZUMA Press/Newscom; The Land Of The Free by Coco Curranski, Creative Commons Attribution 2.0 Generic. Footage: "Panama Patrol," 1939, directed by Charles Lamont; "Superman: Showdown," Archive.org, Creative Commons Attribution-Share Alike 3.0; "Atom Bomb Effects" by U.S. Army, Prelinger Collection, Archive.org