Patent ID: 8806226
Filing Date: 2014-08-12
Classification: G06F

Abstract:
1. A non-transitory computer-readable recording medium having stored therein a program for causing a computer to execute a process, the process comprising: creating a copy of information stored in a first storage in a migration source; storing the created copy in a second storage in a migration destination apparatus; encrypting the first storage in the migration source after storing the copy in the second storage; acquiring, from among an encryption key used to encrypt the first storage in the migration source and a decryption key used to decrypt the encrypted first storage in the migration source which are created by the migration destination apparatus, the encrypting key from the migration destination apparatus; encrypting the first storage in the migration source with the acquired encryption key; requesting the migration destination apparatus to delete the copy stored in the migration destination apparatus; acquiring the decryption key from the migration destination apparatus when the copy is deleted from the second storage in the migration destination apparatus; and decrypting the first storage in the migration source with the acquired decryption key.