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5 items tagged "curve cryptography"

Related tags: elliptic curve [+], ubuntu [+], lts [+], digital signature algorithm [+], curve [+], adam langley [+], whitepaper [+], pdf [+], elliptic [+], anomalous curves [+]

February 09, 2012
23:44
Ubuntu Security Notice USN-1357-1
» ‎ Packet Storm Security Advisories

Ubuntu Security Notice 1357-1 - It was discovered that the elliptic curve cryptography (ECC) subsystem in OpenSSL, when using the Elliptic Curve Digital Signature Algorithm (ECDSA) for the ECDHE_ECDSA cipher suite, did not properly implement curves over binary fields. This could allow an attacker to determine private keys via a timing attack. This issue only affected Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04. Adam Langley discovered that the ephemeral Elliptic Curve Diffie-Hellman (ECDH) functionality in OpenSSL did not ensure thread safety while processing handshake messages from clients. This could allow a remote attacker to cause a denial of service via out-of-order messages that violate the TLS protocol. This issue only affected Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04. Various other issues were also addressed.
Tags: lts ubuntu curve adam-langley digital-signature-algorithm elliptic-curve curve-cryptography

23:44
Ubuntu Security Notice USN-1357-1
» ‎ Packet Storm Security Recent Files

Ubuntu Security Notice 1357-1 - It was discovered that the elliptic curve cryptography (ECC) subsystem in OpenSSL, when using the Elliptic Curve Digital Signature Algorithm (ECDSA) for the ECDHE_ECDSA cipher suite, did not properly implement curves over binary fields. This could allow an attacker to determine private keys via a timing attack. This issue only affected Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04. Adam Langley discovered that the ephemeral Elliptic Curve Diffie-Hellman (ECDH) functionality in OpenSSL did not ensure thread safety while processing handshake messages from clients. This could allow a remote attacker to cause a denial of service via out-of-order messages that violate the TLS protocol. This issue only affected Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04. Various other issues were also addressed.
Tags: lts ubuntu curve adam-langley digital-signature-algorithm elliptic-curve curve-cryptography

23:44
Ubuntu Security Notice USN-1357-1
» ‎ Packet Storm Security Misc. Files

Ubuntu Security Notice 1357-1 - It was discovered that the elliptic curve cryptography (ECC) subsystem in OpenSSL, when using the Elliptic Curve Digital Signature Algorithm (ECDSA) for the ECDHE_ECDSA cipher suite, did not properly implement curves over binary fields. This could allow an attacker to determine private keys via a timing attack. This issue only affected Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04. Adam Langley discovered that the ephemeral Elliptic Curve Diffie-Hellman (ECDH) functionality in OpenSSL did not ensure thread safety while processing handshake messages from clients. This could allow a remote attacker to cause a denial of service via out-of-order messages that violate the TLS protocol. This issue only affected Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04. Various other issues were also addressed.
Tags: lts ubuntu curve adam-langley digital-signature-algorithm elliptic-curve curve-cryptography
September 11, 2010
12:01
elliptic-curve.pdf
» ‎ Packet Storm Security Misc. Files

Whitepaper called Elliptic Curve Cryptography Anomalous Curves. Written in Spanish.
Tags: pdf whitepaper elliptic anomalous-curves curve-cryptography elliptic-curve

12:01
elliptic-curve.pdf
» ‎ Packet Storm Security Recent Files

Whitepaper called Elliptic Curve Cryptography Anomalous Curves. Written in Spanish.
Tags: pdf whitepaper elliptic anomalous-curves curve-cryptography elliptic-curve