KeyUsage 1
[X.509] ์ธ์ฆ์„œ ํ‚ค ์šฉ๋„(KeyUsage) ์„ค๋ช…

X.509 ์ธ์ฆ์„œ ํ•„๋“œ ์ค‘์— KeyUsage ๋ผ๋Š” ํ•„๋“œ๊ฐ€ ์žˆ๋‹ค. ์ด ํ•„๋“œ๋Š” ํ•ด๋‹น ์ธ์ฆ์„œ์— ์žˆ๋Š” ๋น„๋Œ€์นญํ‚ค์˜ ์‚ฌ์šฉ ๋ชฉ์ ์„ ์ •์˜ํ•œ ํ•„๋“œ์ด๋‹ค. ์•„๋ž˜ ๊ทธ๋ฆผ์€ RootCA ์ธ์ฆ์„œ์˜ KeyUsage ํ•„๋“œ๋ฅผ ๋ณผ ์ˆ˜ ์žˆ๋‹ค. ์ด ์ธ์ฆ์„œ์˜ keyUsage ๋‚ด์šฉ์€ keyCertSign, cRLSign ์œผ๋กœ ๋‚˜์˜ค๋Š”๋ฐ ์ธ์ฆ์„œ ์„œ๋ช… ๋ฐ CRL ์„œ๋ช…์šฉ์ด๋ผ๋Š” ๋œป์ด๋‹ค. ํ•ด๋‹น ํ•„๋“œ์˜ ASN.1 ํ˜•์‹์€ ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค. id-ce-keyUsage OBJECT IDENTIFIER ::= { id-ce 15 } KeyUsage ::= BIT STRING { digitalSignature (0), nonRepudiation (1), keyEncipherment (2), dataEncipherment (3), keyAgreement (4), keyC..
PKI/X509 Profile 2023.06.28
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