The National Security Agency is releasing all 136 issues of one of its longest-lived technical publications, Cryptolog. This released collection encompasses well over a thousand articles covering a cross-section of the disciplines and focus areas of the Agency, and is over 4,100 pages. This release is monumental not only in terms of its size but also in terms of the broad spectrum of NSA functions and activities the release reveals.

Cryptolog was created in 1974 and was, according to the editor, “a new vehicle for the interchange of ideas on technical subjects.” Another editor called it “a mix of technical, expository, philosophical, futuristic, argumentative and historical articles – with a light touch here and there – there’s always an article or two to engage the reader.” Issues of Cryptolog were published initially on a monthly basis, but in the final years of its publication, were released on a quarterly basis. There were no issues published in 1993 and the final issue was released in July of 1997.

For more information on Cryptolog, check out the FAQ below.

 Declassified Documents

blank FAQs for Crytologs

blank Entire Collection of Cryptologs in 1 files [4,174 Pages, 233 MB]

blank Vol. I, No. 1 – August 1974

blank Vol. I, No. 2 – September 1974

blank Vol. I, No. 3 – October 1974

blank Vol. I, No. 4 – November 1974

blank Vol. I, No. 5 – December 1974

blank Vol. II, No. 1 – January 1975

blank Vol. II, Nos. 2 – 3 – February – March 1975

blank Vol. II, No. 4 – April 1975

blank Vol. II, No. 5 – May 1975

blank Vol. II, No. 6 – June 1975

blank Vol. II, No. 7 – July 1975

blank Vol. II, Nos. 8 – 9 – August – September 1975

blank Vol. II, No. 10 – October 1975

blank Vol. II, No. 11 – November 1975

blank Vol. II, No. 12 – December 1975

blank Vol. III, No. 1 – January 1976

blank Vol. III, No. 2 – February 1976

blank Vol. III, No. 3 – March 1976

blank Vol. III, No. 4 – April 1976

blank Vol. III, No. 5 – May 1976

blank Vol. III, Nos. 6 – 7 – June – July 1976

blank Vol. III, No. 8 – August 1976

blank Vol. III, No. 9 – September 1976

blank Vol. III, No. 10 – October 1976

blank Vol. III, No. 11 – November 1976

blank Vol. III, No. 12 – December 1976

blank Vol. IV, Nos. 1 – 2 – January – February 1977

blank Vol. IV, No. 3 – March 1977

blank Vol. IV, No. 4 – April 1977

blank Vol. IV, No. 5 – May 1977

blank Vol. IV, No. 6 – June 1977

blank Vol. IV, No. 7 – July 1977

blank Vol. IV, No. 8 – August 1977

blank Vol. IV, No. 9 – September 1977

blank Vol. IV, No. 10 – October 1977

blank Vol. IV, No. 11 – November 1977

blank Vol. IV, No. 12 – December 1977

blank Vol. V, No. 1 – January 1978

blank Vol. V, No. 2 – February 1978

blank Vol. V, No. 3 – March 1978

blank Vol. V, No. 4 – April 1978

blank Vol. V, No. 5 – May 1978

blank Vol. V, No. 6 – June 1978

blank Vol. V, Nos. 7 – 8 – July – August 1978

blank Vol. V, No. 9 – September 1978

blank Vol. V, No. 10 – October 1978

blank Vol. V, No. 11 – November 1978

blank Vol. V, No. 12 – December 1978

blank Vol. VI, No. 1 – January 1979

blank Vol. VI, No. 2 – February 1979

blank Vol. VI, No. 3 – March 1979

blank Vol. VI, No. 4 – April 1979

blank Vol. VI, No. 5 – May 1979

blank Vol. VI, No. 6 – June 1979

blank Vol. VI, No. 7 – July 1979

blank Vol. VI, Nos. 8 – 9 – August – September 1979

blank Vol. VI, No. 10 – October 1979

blank Vol. VII, Nos. 1 – 3 – January – March 1980

blank Vol. VII, Nos. 4 – 6 – April – June 1980

blank Vol. VIII, Nos. 1 – 3 – January – March 1981

blank Vol. VIII, Nos. 4 – 6 – April – June 1981

blank Vol. VIII, No. 10 – October 1981

blank Vol. VIII, No. 11 – November 1981

blank Vol. VIII, No. 12 – December 1981

blank Vol. IX, No. 1 – January 1982

blank Vol. IX, No. 2 – February 1982

blank Vol. IX, No. 3 – March 1982

blank Vol. IX, No. 4 – April 1982

blank Vol. IX, No. 5 – May 1982

blank Vol. IX, Nos. 6 – 7 – June – July 1982

blank Vol. IX, No. 8 – August 1982

blank Vol. IX, No. 9 – September 1982

blank Vol. IX, No. 10 – October 1982

blank Vol. IX, No. 11 – November 1982

blank Vol. IX, No. 12 – December 1982

blank Vol. X, Nos. 1 – 2 – January – February 1983

blank Vol. X, No. 3 – March 1983

blank Vol. X, No. 4 – April 1983

blank Vol. X, No. 5 – May 1983

blank Vol. X, Nos. 6 – 7 – June – July 1983

blank Vol. X, No. 8 – August 1983

blank Vol. X, No. 9 – September 1983

blank Vol. X, No. 10 – October 1983

blank Vol. X, No. 11 – November 1983

blank Vol. X, No. 12 – December 1983

blank Vol. XI, No. 1 – January 1984

blank Vol. XI, Nos. 2 – 3 – February – March 1984

blank Vol. XI, No. 4 – April 1984

blank Vol. XI, No. 5 – May 1984

blank Vol. XI, Nos. 6 – 7 – June – July 1984

blank Vol. XI, Nos. 8 – 9 – August – September 1984

blank Vol. XI, No. 10 – October 1984

blank Vol. XI, Nos. 11 – 12 – November – December 1984

blank Vol. XII, Nos. 1 – 3 – January – March 1985

blank Vol. XII, No. 4 – April 1985

blank Vol. XII, No. 5 – May 1985

blank Vol. XII, Nos. 6 – 8 – June – August 1985

blank Vol. XII, Nos. 9 – 10 – September – October 1985

blank Vol. XII, Nos. 11 – 12 – November – December 1985

blank Vol. XIII, Nos. 1 – 2 – January – February 1986

blank Vol. XIII, Nos. 3 – 4 – March – April 1986

blank Vol. XIII, Nos. 5 – 7 – May – July 1986

blank Vol. XIII, Nos. 8 – 9 – August – September 1986

blank Vol. XIII, Nos. 10 – 11 – October – November 1986

blank Vol. XIII, No. 12 – December 1986

blank Vol. XIV, No. 1 – 1st Issue 1987

blank Vol. XIV, No. 2 – 2nd Issue 1987

blank Vol. XIV, No. 3 – 3rd Issue 1987

blank Vol. XIV, No. 4 – 4th Issue 1987

blank Vol. XV, No. 1 – 1st Issue 1988

blank Vol. XV, No. 2 – 2nd Issue 1988

blank Vol. XV, No. 3 – 3rd Issue 1988

blank Vol. XV, No. 4 – 4th Issue 1988

blank Vol. XVI, No. 1 – 1st Issue 1989

blank Vol. XVI, No. 2 – 2nd Issue 1989

blank Vol. XVI, No. 3 – 3rd Issue 1989

blank Vol. XVII, No. 1 – 1st Issue 1990

blank Vol. XVII, No. 2 – 2nd Issue 1990

blank Vol. XVII, No. 3 – 3rd Issue 1990

blank Vol. XVIII, No. 1 – 1st Issue 1991

blank Vol. XVIII, No. 2 – 2nd Issue 1991

blank Vol. XVIII, No. 3 – 3rd Issue 1991

blank Vol. XIX, No. 1 – 1st Issue 1992

blank Vol. XIX, No. 2 – 2nd Issue 1992

blank Vol. XIX, No. 3 – 3rd Issue 1992

blank Vol. XX, No. 1 – 1st Issue 1994

blank Vol. XX, No. 2 – 2nd Issue 1994

blank Vol. XXI, No. 1 – Issue 1 1995

blank Vol. XXI, No. 2 – Summer 1995

blank Vol. XXI, No. 3 – Fall 1995

blank Vol. XXI, No. 4 – Winter 1995

blank Vol. XXII, No. 1 – Spring 1996

blank Vol. XXII, No. 2 – Summer 1996

blank Vol. XXII, No. 4 – Winter 1996

blank Vol. XXIII, No. 1 – Spring 1997

blank Vol. XXIII, No. 2 – Summer 1997

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