In cryptography , the International Data Encryption Algorithm -LRB- IDEA -RRB- is a block cipher designed by PERSON@1 and PERSON@2 of ORGANIZATION@1 and was first described in NUMBER@1 .

In cryptography , the International Data Encryption Algorithm -LRB- IDEA -RRB- is a block cipher designed by PERSON@1 and PERSON@2 of ORGANIZATION@1 in NUMBER@1 .
