Page 113 - Nodejs 교과서 개정2판

۾਷ crypto.getCiphers()ܳ ഐ୹ೞݶ ࠅ ࣻ ੓णפ׮

• cipher.update(문자열, 인코딩, 출력 인코딩) ঐഐചೡ ؀࢚җ ؀࢚੄ ੋ௏٬ ୹۱ Ѿҗޛ੄ ੋ௏٬ਸ
֍णפ׮ ࠁా ޙ੗ৌ਷ VUG ੋ௏٬ਸ ঐഐח CBTF ܳ ݆੉ ࢎਊ೤פ׮

• cipher.final(출력 인코딩) ୹۱ Ѿҗޛ੄ ੋ௏٬ਸ ֍ਵݶ ঐഐചо ৮ܐؾפ׮
• crypto.createDecipheriv(알고리즘, 키, iv) ࠂഐചೡ ٸ ࢎਊ೤פ׮ ঐഐചೡ ٸ ࢎਊ೮؍ ঌҊ્ܻ

җ ః ivܳ Ӓ؀۽ ֍যঠ ೤פ׮
• decipher.update(문자열, 인코딩, 출력 인코딩) ঐഐചػ ޙ੢ Ӓ ޙ੢੄ ੋ௏٬ ࠂഐചೡ ੋ௏٬ਸ

֍णפ׮ createCipheriv੄ update ীࢲ VUG CBTF ࣽਵ۽ ֍঻׮ݶ createDecipheriv੄ update()

ীࢲח CBTF VUG ࣽਵ۽ ֍ਵݶ ؾפ׮
• decipher.final(출력 ੋ௏٬ ࠂഐച Ѿҗޛ੄ ੋ௏٬ਸ ֍णפ׮

콘솔

$ node cipher
암호화: iiopeG2GsYlk6ccoBoFvEH2EBDMWv1kK9bNuDjYxiN0=
복호화: 암호화할 문장

ਗې ޙ੢ਵ۽ ઁ؀۽ ࠂഐചغ঻णפ׮

૑Әө૑ ߓ਍ ݫࢲ٘ ੉৻ীب DSZQUP ݽٕ਷ নߑೱ ࠺؀டഋ ঐഐച )."$ ١җ э਷ ׮নೠ ঐഐചܳ ઁ

ҕೞҊ ੓ਵפ ঐഐചо ೙ਃೞݶ ݽٕ੉ যڃ ݫࢲٜ٘ਸ ૑ਗೞח૑ ഛੋ೧ࠁݶ જणפ׮ ֢٘ ҕध ޙࢲ IUU
QT OPEFKT PSH BQJ DSZQUP IUNM ীࢲ ഛੋೡ ࣻ ੓णפ׮ ખ ؊ рױೞѱ ঐഐചܳ ೞҊ र׮ݶ OQN ಁః

૑ੋ DSZQUP KT IUUQT XXX OQNKT DPN QBDLBHF DSZQUP KT ܳ ୶ୌ೤פ׮

VUJM
VUJM੉ۄח ੉ܴ୊ۢ пઙ ಞ੄ ӝמਸ ݽইك ݽٕੑפ׮ ҅ࣘ೧ࢲ "1*о ୶оغҊ ੓ਵݴ оՔ EFQSFDBUFE

غয ࢎۄ૑ח ҃਋ب ੓णפ׮

/PUF ™ EFQSFDBUFEۆ

EFQSFDBUFEח ೐۽Ӓې߁ ਊয۽ r઺ਃبо ڄযઉ ؊ ੉࢚ ࢎਊغ૑ ঋҊ খਵ۽ח ࢎۄ૑ѱ ؼs Ѫ੉ۄח ڷੑפ׮ ࢜۽਍
ӝמ੉ ա৬ࢲ ӝઓ ӝמࠁ׮ ؊ જਸ ٸ ӝઓ ӝמਸ EFQSFDBUFE ୊ܻೞҌ ೤פ׮ ੉੹ ࢎਊ੗ܳ ਤ೧ ӝמਸ ઁѢೞ૑ח

ঋ૑݅ ҍ হচ ৘੿੉޲۽ ؊ ੉࢚ ࢎਊೞ૑ ݈ۄח ੄޷ੑפ׮

VUJMীࢲ ੗઱ ࢎਊغח ف ݫࢲ٘ܳ ࣗѐ೤פ׮

util.js