Creating keystore and google api key for android google maps

Open the command prompt and follow the steps

D:\android-sdk-windows-1.6_r1\tools>keytool -genkey -v -keystore projectkey.keystore -alias aliasname -keyalg RSA -keysize 2048 -validity 15000
Enter keystore password: ------------
What is your first and last name?
[Unknown]: ------------
What is the name of your organizational unit?
[Unknown]: ------------
What is the name of your organization?
[Unknown]: ------------
What is the name of your City or Locality?
[Unknown]: ------------
What is the name of your State or Province?
[Unknown]: ------------
What is the two-letter country code for this unit?
[Unknown]: ------------

D:\android-sdk-windows-1.6_r1\tools>keytool -list -alias aliasname -keystore projectkey.keystore
Enter keystore password:
aliasname, Dec 7, 2010, PrivateKeyEntry,
Certificate fingerprint (MD5): CA:CF:AA:0E:5A:2B:88:C8:64:F1:FA:F7:29:21:50:FF

Using your Certificate fingerprint (MD5) get google api key from this site
http://code.google.com/android/maps-api-signup.html