연동 AES 암호화 방식(GCM) 적용 가능 여부 문의

.
재 LG U+ 청 payload를 AES ,
존 AES/CBC/PKCS5Padding .

(AppScan) , AES/GCM/NoPadding
.

래 API 및 MID 서 AES/GCM .

API URL: https://upaynowapi.tosspayments.com/2/v1/

MID: AESTURA365

: AES/CBC/PKCS5Padding

: AES/GCM/NoPadding

: JSON 후 Base64

:

당 API가 AES/GCM



장 IV(Nonce)

TagLength (본 128bit )

(IV + Cipher + Tag)

약 GCM

CBC

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.

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