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Wednesday, 28 December 2011

Using a Custom Certificate Trust Store on Android

01:08 | Posted by

As mentioned in a previous post, Android 4.0 (ICS) adds both a system UI and SDK API's that let you add certificates to the system trust store. On all previous version though, the system trust store is read-only and there is no way to add certificates on non-rooted devices. Therefore, if you want to connect to a server that is using a certificate not...

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Wednesday, 21 December 2011

Using ECDH on Android

01:31 | Posted by

Elliptic curve cryptography (ECC) offers equivalent or higher levels of security than the currently widely deployed RSA and Diffie�Hellman (DH) algorithms using much shorter keys. For example, the computational effort  for cryptanalysis of a 160-bit ECC key is roughly equivalent to that of a 1024-bit key (NIST). The shift to ECC...

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Monday, 12 December 2011

Hanzi Recognizer v2.0 Released

03:53 | Posted by

The latest version is now available in the Android Market. There are no new user visible features, but the  renewed UI and full support for tablets warrant the major version bump.Hanzi Recognizer now has an app-wide action bar, available both on the newer Ice Cream Sandwich (4.0) and Honeycomb (3.x) Android versions, and on all mainstream Android...

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Thursday, 1 December 2011

ICS Trust Store Implementation

21:25 | Posted by

In the previous two posts we looked at the internal implementation of the Android credential storage, and how it is linked to the new KeyChain API introduced in ICS. As briefly mentioned in the second post, there is also a new TrustedCertificateStore class that manages user installed CA certificates. In this entry we will examine how the new trust...

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