An information processing device comprising: a data processing unit configured to execute a process of reproducing content recorded in a rewriteable medium; and a memory configured to store a content revocation list in which an identifier of revoked content is recorded, wherein the data processing unit is configured to compare a minimum allowable version of a content revocation list recorded in a token which is management data corresponding to content recorded in the medium with a version of a content revocation list acquired from the memory, when the version of the content revocation list acquired from the memory is an old version lower than the minimum allowable version of the content revocation list recorded in the token, the data processing unit is configured to halt determination on revocation of content based on the content revocation list acquired from the memory and reproduction of content; wherein the memory is further configured to store a server revocation list in which an identifier of a revoked server is recorded, wherein the data processing unit is configured to compare a minimum allowable version of a server revocation list recorded in the token which is management data corresponding to content recorded in the medium with a version of a server revocation list acquired from the memory, when the version of the server revocation list acquired from the memory is an old version lower than the minimum allowable version of the server revocation list recorded in the token, the data processing unit is configured to halt determination on revocation of servers based on the server revocation list acquired from the memory and reproduction of content; and wherein the data processing unit is configured to compare the minimum allowable version of the content revocation list recorded in the token with a version of a content revocation list stored on the medium, and halt reproduction of content when the version of the content revocation list stored on the medium is an old version lower than the minimum allowable version of the content revocation list recorded in the token; and the data processing unit is configured to compare the minimum allowable version of the server revocation list recorded in the token with a version of a server revocation list stored on the medium, and halt reproduction of content when the version of the server revocation list stored on the medium is an old version lower than the minimum allowable version of the server revocation list recorded in the token. a data processing unit configured to execute a process of reproducing content recorded in a rewriteable medium; and a memory configured to store a content revocation list in which an identifier of revoked content is recorded, wherein the data processing unit is configured to compare a minimum allowable version of a content revocation list recorded in a token which is management data corresponding to content recorded in the medium with a version of a content revocation list acquired from the memory, when the version of the content revocation list acquired from the memory is an old version lower than the minimum allowable version of the content revocation list recorded in the token, the data processing unit is configured to halt determination on revocation of content based on the content revocation list acquired from the memory and reproduction of content; wherein the memory is further configured to store a server revocation list in which an identifier of a revoked server is recorded, wherein the data processing unit is configured to compare a minimum allowable version of a server revocation list recorded in the token which is management data corresponding to content recorded in the medium with a version of a server revocation list acquired from the memory, when the version of the server revocation list acquired from the memory is an old version lower than the minimum allowable version of the server revocation list recorded in the token, the data processing unit is configured to halt determination on revocation of servers based on the server revocation list acquired from the memory and reproduction of content; and wherein the data processing unit is configured to compare the minimum allowable version of the content revocation list recorded in the token with a version of a content revocation list stored on the medium, and halt reproduction of content when the version of the content revocation list stored on the medium is an old version lower than the minimum allowable version of the content revocation list recorded in the token; and the data processing unit is configured to compare the minimum allowable version of the server revocation list recorded in the token with a version of a server revocation list stored on the medium, and halt reproduction of content when the version of the server revocation list stored on the medium is an old version lower than the minimum allowable version of the server revocation list recorded in the token.