{"id":100099,"date":"2026-09-03T22:48:49","date_gmt":"2026-09-03T14:48:49","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/100099.html"},"modified":"2026-09-03T22:48:49","modified_gmt":"2026-09-03T14:48:49","slug":"jwt%e7%ad%be%e5%90%8d%e7%ae%97%e6%b3%95%e5%85%a8%e8%a7%a3%e6%9e%90%ef%bc%9ahs256-vs-rs256-vs-es256-%e6%80%8e%e4%b9%88%e9%80%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/100099.html","title":{"rendered":"JWT\u7b7e\u540d\u7b97\u6cd5\u5168\u89e3\u6790\uff1aHS256 vs RS256 vs ES256 \u600e\u4e48\u9009"},"content":{"rendered":"

JWT \u7684 Header \u91cc\u6709\u4e2a alg \u5b57\u6bb5，\u586b HS256 \u8fd8\u662f RS256？\u5f88\u591a\u4eba\u76f4\u63a5\u7528\u5e93\u7684\u9ed8\u8ba4\u503c，\u4ece\u6ca1\u60f3\u8fc7\u8fd9\u4e2a\u95ee\u9898\u3002\u9009\u9519\u4e86，\u8f7b\u5219\u6027\u80fd\u6d6a\u8d39，\u91cd\u5219\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u6587\u628a\u4e09\u7c7b\u7b7e\u540d\u7b97\u6cd5\u7684\u539f\u7406\u3001\u9002\u7528\u573a\u666f\u548c\u9009\u578b\u51b3\u7b56\u8bb2\u6e05\u695a\u3002<\/p>\n

JWT \u7b7e\u540d\u7b97\u6cd5\u5206\u7c7b<\/h3>\n

JWT \u89c4\u8303\u5b9a\u4e49\u4e86\u4e09\u7c7b\u7b7e\u540d\u7b97\u6cd5：<\/p>\n\n\u7c7b\u522b\u7b97\u6cd5\u5bc6\u94a5\u6a21\u5f0f\u5178\u578b\u573a\u666f<\/tr>\n\n\n\n\n\n
HMAC<\/td>\nHS256 \/ HS384 \/ HS512<\/td>\n\u5bf9\u79f0\u5bc6\u94a5<\/td>\n\u5355\u4f53\u5e94\u7528\u3001\u5185\u90e8\u670d\u52a1<\/td>\n<\/tr>\n
RSA<\/td>\nRS256 \/ RS384 \/ RS512<\/td>\n\u975e\u5bf9\u79f0\u5bc6\u94a5（\u516c\u94a5+\u79c1\u94a5）<\/td>\n\u5fae\u670d\u52a1\u3001\u7b2c\u4e09\u65b9\u6388\u6743<\/td>\n<\/tr>\n
ECDSA<\/td>\nES256 \/ ES384 \/ ES512<\/td>\n\u975e\u5bf9\u79f0\u5bc6\u94a5（\u516c\u94a5+\u79c1\u94a5）<\/td>\n\u79fb\u52a8\u7aef\u3001\u7269\u8054\u7f51<\/td>\n<\/tr>\n
None<\/td>\nnone<\/td>\n\u65e0\u5bc6\u94a5<\/td>\n\u274c \u4e0d\u5e94\u8be5\u4f7f\u7528<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8fd8\u6709 PS256（RSASSA-PSS）\u7cfb\u5217，\u662f RSA \u7684\u6982\u7387\u6027\u7b7e\u540d\u53d8\u4f53，\u5b89\u5168\u6027\u66f4\u9ad8\u4f46\u5e93\u652f\u6301\u8f83\u5c11，\u5b9e\u9645\u9879\u76ee\u4e2d\u4e0d\u592a\u5e38\u89c1\u3002<\/p>\n

HMAC \u5bf9\u79f0\u7b7e\u540d（HS256）<\/h3>\n

HS256 \u662f\u6700\u5e38\u89c1\u7684 JWT \u7b97\u6cd5\u3002\u7b7e\u53d1\u548c\u9a8c\u8bc1\u7528\u540c\u4e00\u4e2a\u5bc6\u94a5\u2014\u2014\u8fd9\u5c31\u662f"\u5bf9\u79f0"\u7684\u542b\u4e49\u3002<\/p>\n

\u5de5\u4f5c\u539f\u7406：<\/p>\n

\u7b7e\u540d = HMAC-SHA256(
\n base64UrlEncode(header) + "." + base64UrlEncode(payload),
\n secret
\n)<\/p>\n

\u7528 Node.js \u7684 crypto \u6a21\u5757\u624b\u52a8\u5b9e\u73b0：<\/p>\n

const<\/span> crypto =<\/span> require<\/span>(<\/span>'crypto'<\/span>)<\/span><\/p>\n

function<\/span> signHS256<\/span>(<\/span>header,<\/span> payload,<\/span> secret<\/span>)<\/span> {<\/span>
\n const<\/span> data =<\/span> Buffer.<\/span>from<\/span>(<\/span>
\n base64UrlEncode<\/span>(<\/span>JSON<\/span>.<\/span>stringify<\/span>(<\/span>header)<\/span>)<\/span> +<\/span> '.'<\/span> +<\/span> base64UrlEncode<\/span>(<\/span>JSON<\/span>.<\/span>stringify<\/span>(<\/span>payload)<\/span>)<\/span>
\n )<\/span>
\n return<\/span> crypto.<\/span>createHmac<\/span>(<\/span>'sha256'<\/span>,<\/span> secret)<\/span>.<\/span>update<\/span>(<\/span>data)<\/span>.<\/span>digest<\/span>(<\/span>'base64url'<\/span>)<\/span>
\n}<\/span><\/p>\n

function<\/span> verifyHS256<\/span>(<\/span>token,<\/span> secret<\/span>)<\/span> {<\/span>
\n const<\/span> parts =<\/span> token.<\/span>split<\/span>(<\/span>'.'<\/span>)<\/span>
\n const<\/span> data =<\/span> parts[<\/span>0<\/span>]<\/span> +<\/span> '.'<\/span> +<\/span> parts[<\/span>1<\/span>]<\/span>
\n const<\/span> expected =<\/span> crypto.<\/span>createHmac<\/span>(<\/span>'sha256'<\/span>,<\/span> secret)<\/span>.<\/span>update<\/span>(<\/span>data)<\/span>.<\/span>digest<\/span>(<\/span>'base64url'<\/span>)<\/span>
\n \/\/ \u7528 timingSafeEqual \u9632\u6b62\u65f6\u5e8f\u653b\u51fb<\/span>
\n const<\/span> a =<\/span> Buffer.<\/span>from<\/span>(<\/span>expected)<\/span>
\n const<\/span> b =<\/span> Buffer.<\/span>from<\/span>(<\/span>parts[<\/span>2<\/span>]<\/span>)<\/span>
\n return<\/span> a.<\/span>length ===<\/span> b.<\/span>length &&<\/span> crypto.<\/span>timingSafeEqual<\/span>(<\/span>a,<\/span> b)<\/span>
\n}<\/span><\/p>\n

\u7528 jsonwebtoken \u5e93\u66f4\u7b80\u5355：<\/p>\n

const<\/span> jwt =<\/span> require<\/span>(<\/span>'jsonwebtoken'<\/span>)<\/span><\/p>\n

const<\/span> token =<\/span> jwt.<\/span>sign<\/span>(<\/span>
\n {<\/span> sub<\/span>:<\/span> 'user-123'<\/span>,<\/span> role<\/span>:<\/span> 'admin'<\/span> }<\/span>,<\/span>
\n 'my-256-bit-secret-key-aaaaaa'<\/span>,<\/span>
\n {<\/span> algorithm<\/span>:<\/span> 'HS256'<\/span>,<\/span> expiresIn<\/span>:<\/span> '1h'<\/span> }<\/span>
\n)<\/span><\/p>\n

const<\/span> decoded =<\/span> jwt.<\/span>verify<\/span>(<\/span>token,<\/span> 'my-256-bit-secret-key-aaaaaa'<\/span>)<\/span><\/p>\n

\u4f18\u70b9：\u8ba1\u7b97\u5feb，\u5b9e\u73b0\u7b80\u5355，\u4e00\u4e2a\u5bc6\u94a5\u641e\u5b9a\u3002<\/p>\n

\u7f3a\u70b9：\u7b7e\u53d1\u65b9\u548c\u9a8c\u8bc1\u65b9\u5171\u4eab\u5bc6\u94a5\u3002\u4efb\u4f55\u6301\u6709\u5bc6\u94a5\u7684\u670d\u52a1\u90fd\u80fd\u7b7e\u53d1 Token，\u65e0\u6cd5\u533a\u5206"\u8c01\u7b7e\u7684"\u3002<\/p>\n

\u9002\u7528\u573a\u666f：\u5355\u4f53\u5e94\u7528（\u81ea\u5df1\u7b7e\u81ea\u5df1\u9a8c）\u3001\u5185\u90e8\u5fae\u670d\u52a1\u95f4\u901a\u4fe1（\u53ef\u4fe1\u73af\u5883）\u3002<\/p>\n

\u5bc6\u94a5\u8981\u6c42：\u81f3\u5c11 256 \u4f4d（32 \u5b57\u8282）\u3002\u7528 crypto.randomBytes(32).toString('hex') \u751f\u6210\u3002<\/p>\n

RSA \u975e\u5bf9\u79f0\u7b7e\u540d（RS256）<\/h3>\n

RS256 \u7528\u79c1\u94a5\u7b7e\u540d\u3001\u516c\u94a5\u9a8c\u8bc1\u3002\u7b7e\u53d1\u65b9\u6301\u6709\u79c1\u94a5，\u9a8c\u8bc1\u65b9\u53ea\u9700\u8981\u516c\u94a5\u3002<\/p>\n

\u5de5\u4f5c\u539f\u7406：<\/p>\n

\u7b7e\u540d = RSA-SHA256(
\n base64UrlEncode(header) + "." + base64UrlEncode(payload),
\n privateKey
\n)<\/p>\n

\u9a8c\u8bc1 = RSA-SHA256-Verify(data, signature, publicKey)<\/p>\n

\u751f\u6210 RSA \u5bc6\u94a5\u5bf9：<\/p>\n

# \u751f\u6210\u79c1\u94a5<\/span>
\nopenssl genrsa -out<\/span> private.pem 2048<\/span><\/p>\n

# \u4ece\u79c1\u94a5\u5bfc\u51fa\u516c\u94a5<\/span>
\nopenssl rsa -in<\/span> private.pem -pubout<\/span> -out<\/span> public.pem<\/p>\n

Node.js \u4ee3\u7801：<\/p>\n

const<\/span> crypto =<\/span> require<\/span>(<\/span>'crypto'<\/span>)<\/span>
\nconst<\/span> privateKey =<\/span> require<\/span>(<\/span>'fs'<\/span>)<\/span>.<\/span>readFileSync<\/span>(<\/span>'private.pem'<\/span>)<\/span>
\nconst<\/span> publicKey =<\/span> require<\/span>(<\/span>'fs'<\/span>)<\/span>.<\/span>readFileSync<\/span>(<\/span>'public.pem'<\/span>)<\/span><\/p>\n

\/\/ \u7b7e\u53d1（\u7528\u79c1\u94a5）<\/span>
\nconst<\/span> token =<\/span> jwt.<\/span>sign<\/span>(<\/span>{<\/span> sub<\/span>:<\/span> 'user-123'<\/span> }<\/span>,<\/span> privateKey,<\/span> {<\/span>
\n algorithm<\/span>:<\/span> 'RS256'<\/span>,<\/span>
\n expiresIn<\/span>:<\/span> '1h'<\/span>
\n}<\/span>)<\/span><\/p>\n

\/\/ \u9a8c\u8bc1（\u7528\u516c\u94a5）<\/span>
\nconst<\/span> decoded =<\/span> jwt.<\/span>verify<\/span>(<\/span>token,<\/span> publicKey,<\/span> {<\/span> algorithms<\/span>:<\/span> [<\/span>'RS256'<\/span>]<\/span> }<\/span>)<\/span><\/p>\n

\u4f18\u70b9：\u516c\u94a5\u53ef\u4ee5\u516c\u5f00\u5206\u53d1，\u4efb\u4f55\u670d\u52a1\u90fd\u80fd\u9a8c\u8bc1 Token，\u4f46\u53ea\u6709\u7b7e\u53d1\u65b9\u80fd\u7b7e\u53d1\u3002\u89e3\u51b3\u4e86"\u8c01\u7b7e\u7684"\u95ee\u9898\u3002<\/p>\n

\u7f3a\u70b9：\u7b7e\u540d\u548c\u9a8c\u8bc1\u901f\u5ea6\u6bd4 HMAC \u6162\u4e00\u4e2a\u6570\u91cf\u7ea7\u3002RSA-2048 \u5bc6\u94a5\u4f53\u79ef\u5927（PEM \u6587\u4ef6\u7ea6 1.7KB）\u3002<\/p>\n

\u9002\u7528\u573a\u666f：\u5fae\u670d\u52a1\u67b6\u6784（\u8ba4\u8bc1\u4e2d\u5fc3\u7b7e\u53d1，\u591a\u4e2a\u4e1a\u52a1\u670d\u52a1\u9a8c\u8bc1）\u3001OAuth2\/OpenID Connect\u3001\u7b2c\u4e09\u65b9\u6388\u6743\u3002<\/p>\n

ECDSA \u692d\u5706\u66f2\u7ebf\u7b7e\u540d（ES256）<\/h3>\n

ES256 \u7528\u692d\u5706\u66f2\u7ebf\u5bc6\u7801\u5b66（ECC），\u540c\u6837\u662f\u79c1\u94a5\u7b7e\u540d\u3001\u516c\u94a5\u9a8c\u8bc1，\u4f46\u5bc6\u94a5\u66f4\u77ed\u3001\u901f\u5ea6\u66f4\u5feb\u3002<\/p>\n

RSA vs ECDSA \u5bc6\u94a5\u957f\u5ea6\u5bf9\u7167：<\/p>\n\n\u5b89\u5168\u7b49\u7ea7RSA \u5bc6\u94a5\u957f\u5ea6ECDSA \u5bc6\u94a5\u957f\u5ea6JWT \u7b97\u6cd5<\/tr>\n\n\n\n\n
128 \u4f4d<\/td>\n2048<\/td>\n256<\/td>\nRS256 \/ ES256<\/td>\n<\/tr>\n
192 \u4f4d<\/td>\n3072<\/td>\n384<\/td>\nRS384 \/ ES384<\/td>\n<\/tr>\n
256 \u4f4d<\/td>\n15360<\/td>\n521<\/td>\nRS512 \/ ES512<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u540c\u6837\u7684\u5b89\u5168\u7b49\u7ea7，ECDSA \u7684\u5bc6\u94a5\u77ed\u4e00\u4e2a\u6570\u91cf\u7ea7\u3002<\/p>\n

\u751f\u6210 ECDSA \u5bc6\u94a5\u5bf9：<\/p>\n

# \u751f\u6210 ECDSA \u79c1\u94a5（prime256v1 = ES256 \u66f2\u7ebf）<\/span>
\nopenssl ecparam -genkey<\/span> -name<\/span> prime256v1 -noout<\/span> -out<\/span> ec-private.pem<\/p>\n

# \u5bfc\u51fa\u516c\u94a5<\/span>
\nopenssl ec -in<\/span> ec-private.pem -pubout<\/span> -out<\/span> ec-public.pem<\/p>\n

Node.js \u4ee3\u7801：<\/p>\n

const<\/span> privateKey =<\/span> require<\/span>(<\/span>'fs'<\/span>)<\/span>.<\/span>readFileSync<\/span>(<\/span>'ec-private.pem'<\/span>)<\/span>
\nconst<\/span> publicKey =<\/span> require<\/span>(<\/span>'fs'<\/span>)<\/span>.<\/span>readFileSync<\/span>(<\/span>'ec-public.pem'<\/span>)<\/span><\/p>\n

\/\/ \u7b7e\u53d1<\/span>
\nconst<\/span> token =<\/span> jwt.<\/span>sign<\/span>(<\/span>{<\/span> sub<\/span>:<\/span> 'user-123'<\/span> }<\/span>,<\/span> privateKey,<\/span> {<\/span>
\n algorithm<\/span>:<\/span> 'ES256'<\/span>,<\/span>
\n expiresIn<\/span>:<\/span> '1h'<\/span>
\n}<\/span>)<\/span><\/p>\n

\/\/ \u9a8c\u8bc1<\/span>
\nconst<\/span> decoded =<\/span> jwt.<\/span>verify<\/span>(<\/span>token,<\/span> publicKey,<\/span> {<\/span> algorithms<\/span>:<\/span> [<\/span>'ES256'<\/span>]<\/span> }<\/span>)<\/span><\/p>\n

\u4f18\u70b9：\u5bc6\u94a5\u77ed\u3001\u7b7e\u540d\u77ed\u3001\u7b7e\u540d\u901f\u5ea6\u6bd4 RSA \u5feb 3-5 \u500d\u3002\u9002\u5408\u5e26\u5bbd\u53d7\u9650\u573a\u666f\u3002<\/p>\n

\u7f3a\u70b9：\u5b9e\u73b0\u6bd4 RSA \u590d\u6742，\u5e93\u7684\u517c\u5bb9\u6027\u4e0d\u5982 RSA\u3002\u5982\u679c ECDSA \u7684\u968f\u673a\u6570\u6e90\u6709\u95ee\u9898（\u5982\u91cd\u590d\u968f\u673a\u6570），\u4f1a\u5bfc\u81f4\u79c1\u94a5\u6cc4\u9732\u3002<\/p>\n

\u9002\u7528\u573a\u666f：\u79fb\u52a8\u7aef\u8ba4\u8bc1\u3001\u7269\u8054\u7f51\u8bbe\u5907\u3001\u5bf9 Token \u4f53\u79ef\u654f\u611f\u7684 API\u3002<\/p>\n

alg: none \u2014\u2014 \u7edd\u5bf9\u4e0d\u8981\u7528<\/h3>\n

JWT \u89c4\u8303\u5141\u8bb8 alg: none，\u8868\u793a\u4e0d\u7b7e\u540d\u3002Token \u53ea\u6709 Header \u548c Payload \u4e24\u6bb5，\u6ca1\u6709 Signature\u3002<\/p>\n

\/\/ \u7b7e\u53d1\u65e0\u7b7e\u540d Token（\u5371\u9669！）<\/span>
\nconst<\/span> token =<\/span> jwt.<\/span>sign<\/span>(<\/span>{<\/span> sub<\/span>:<\/span> 'user-123'<\/span> }<\/span>,<\/span> ''<\/span>,<\/span> {<\/span> algorithm<\/span>:<\/span> 'none'<\/span> }<\/span>)<\/span>
\n\/\/ eyJhbGciOiJub25lIiwidHlwIjoiSldUIn0.eyJzdWIiOiJ1c2VyLTEyMyJ9.<\/span><\/p>\n

\u8fd9\u4e2a\u7b97\u6cd5\u5b58\u5728\u4e8e\u89c4\u8303\u4e2d\u662f\u4e3a\u4e86\u5f00\u53d1\u8c03\u8bd5\u65b9\u4fbf，\u4f46\u751f\u4ea7\u73af\u5883\u7edd\u5bf9\u4e0d\u80fd\u7528\u3002\u5f88\u591a JWT \u5b89\u5168\u6f0f\u6d1e\u90fd\u548c alg: none \u6709\u5173\u2014\u2014\u653b\u51fb\u8005\u628a alg \u6539\u6210 none，\u670d\u52a1\u7aef\u4e0d\u6821\u9a8c\u7b97\u6cd5\u5c31\u76f4\u63a5\u4fe1\u4efb Payload\u3002<\/p>\n

\u9632\u5fa1\u65b9\u6cd5：\u9a8c\u8bc1 Token \u65f6\u663e\u5f0f\u6307\u5b9a\u5141\u8bb8\u7684\u7b97\u6cd5：<\/p>\n

\/\/ \u9519\u8bef：\u4e0d\u6307\u5b9a\u7b97\u6cd5，\u53ef\u80fd\u88ab alg: none \u7ed5\u8fc7<\/span>
\nconst<\/span> decoded =<\/span> jwt.<\/span>verify<\/span>(<\/span>token,<\/span> publicKey)<\/span><\/p>\n

\/\/ \u6b63\u786e：\u767d\u540d\u5355\u6307\u5b9a\u7b97\u6cd5<\/span>
\nconst<\/span> decoded =<\/span> jwt.<\/span>verify<\/span>(<\/span>token,<\/span> publicKey,<\/span> {<\/span>
\n algorithms<\/span>:<\/span> [<\/span>'RS256'<\/span>,<\/span> 'ES256'<\/span>]<\/span> \/\/ \u4e0d\u5305\u542b none<\/span>
\n}<\/span>)<\/span><\/p>\n

\u9009\u578b\u51b3\u7b56\u6811<\/h3>\n

\u662f\u5426\u9700\u8981\u591a\u4e2a\u670d\u52a1\u9a8c\u8bc1 Token？
\n\u251c\u2500\u2500 \u5426 \u2192 HS256（\u5bf9\u79f0\u5bc6\u94a5，\u7b80\u5355\u5feb\u901f）
\n\u2514\u2500\u2500 \u662f \u2192 \u662f\u5426\u5bf9 Token \u4f53\u79ef\/\u6027\u80fd\u654f\u611f？
\n \u251c\u2500\u2500 \u5426 \u2192 RS256（RSA \u975e\u5bf9\u79f0，\u751f\u6001\u6700\u6210\u719f）
\n \u2514\u2500\u2500 \u662f \u2192 ES256（ECDSA \u975e\u5bf9\u79f0，\u5bc6\u94a5\u77ed\u901f\u5ea6\u5feb）<\/p>\n

\u5b9e\u9645\u9879\u76ee\u4e2d 90% \u7684\u56e2\u961f\u9009 HS256，\u56e0\u4e3a\u5355\u4f53\u5e94\u7528\u6216\u5185\u90e8\u670d\u52a1\u95f4\u4e0d\u533a\u5206\u7b7e\u53d1\u65b9\u548c\u9a8c\u8bc1\u65b9\u3002\u4e00\u65e6\u8981\u505a\u7b2c\u4e09\u65b9\u6388\u6743\u6216\u5f00\u653e API，\u5c31\u5e94\u8be5\u5207 RS256\u3002ES256 \u5728\u56fd\u5185\u7528\u5f97\u5c11，\u4f46\u5728 Google\u3001Cloudflare \u7b49\u516c\u53f8\u7684\u4f53\u7cfb\u4e2d\u5f88\u5e38\u89c1\u3002<\/p>\n

\u7b97\u6cd5\u901f\u67e5\u8868<\/h3>\n\n\u7b97\u6cd5\u7c7b\u578b\u5bc6\u94a5\u7b7e\u540d\u901f\u5ea6\u9a8c\u8bc1\u901f\u5ea6\u5b89\u5168\u6027<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n
HS256<\/td>\nHMAC<\/td>\n\u5171\u4eab\u5bc6\u94a5<\/td>\n\u5feb<\/td>\n\u5feb<\/td>\n\u63a8\u8350<\/td>\n<\/tr>\n
HS384<\/td>\nHMAC<\/td>\n\u5171\u4eab\u5bc6\u94a5<\/td>\n\u5feb<\/td>\n\u5feb<\/td>\n\u63a8\u8350<\/td>\n<\/tr>\n
HS512<\/td>\nHMAC<\/td>\n\u5171\u4eab\u5bc6\u94a5<\/td>\n\u5feb<\/td>\n\u5feb<\/td>\n\u63a8\u8350<\/td>\n<\/tr>\n
RS256<\/td>\nRSA<\/td>\n\u516c\u94a5+\u79c1\u94a5<\/td>\n\u6162<\/td>\n\u4e2d<\/td>\n\u63a8\u8350<\/td>\n<\/tr>\n
RS384<\/td>\nRSA<\/td>\n\u516c\u94a5+\u79c1\u94a5<\/td>\n\u6162<\/td>\n\u4e2d<\/td>\n\u63a8\u8350<\/td>\n<\/tr>\n
RS512<\/td>\nRSA<\/td>\n\u516c\u94a5+\u79c1\u94a5<\/td>\n\u6162<\/td>\n\u4e2d<\/td>\n\u63a8\u8350<\/td>\n<\/tr>\n
ES256<\/td>\nECDSA<\/td>\n\u516c\u94a5+\u79c1\u94a5<\/td>\n\u4e2d<\/td>\n\u5feb<\/td>\n\u63a8\u8350<\/td>\n<\/tr>\n
ES384<\/td>\nECDSA<\/td>\n\u516c\u94a5+\u79c1\u94a5<\/td>\n\u4e2d<\/td>\n\u5feb<\/td>\n\u63a8\u8350<\/td>\n<\/tr>\n
ES512<\/td>\nECDSA<\/td>\n\u516c\u94a5+\u79c1\u94a5<\/td>\n\u4e2d<\/td>\n\u5feb<\/td>\n\u63a8\u8350<\/td>\n<\/tr>\n
none<\/td>\nNone<\/td>\n\u65e0<\/td>\n–<\/td>\n–<\/td>\n\u4e0d\u5b89\u5168<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5728\u7ebf\u9a8c\u8bc1<\/h3>\n

\u7406\u89e3\u7b97\u6cd5\u6700\u597d\u7684\u65b9\u5f0f\u662f\u770b\u771f\u5b9e Token \u7684 Header \u5dee\u5f02\u3002\u53ef\u4ee5\u5728 \u76d8\u5b50\u5de5\u5177\u7ad9 JWT \u89e3\u6790\u5de5\u5177 \u4e0a\u505a\u8fd9\u79cd\u5bf9\u6bd4\u2014\u2014\u7c98\u8d34\u4e0d\u540c\u7b97\u6cd5\u7b7e\u53d1\u7684 Token，\u89c2\u5bdf Header \u5361\u7247\u4e2d alg \u5b57\u6bb5\u7684\u53d8\u5316\u3002\u7528 HS256 \u7b7e\u53d1\u7684 Token，Header \u663e\u793a "alg": "HS256"；\u7528 RS256 \u7b7e\u53d1\u7684，\u663e\u793a "alg": "RS256"\u3002 \"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \u5de5\u5177\u7684\u7b97\u6cd5\u53c2\u8003\u8868\u76f4\u63a5\u5217\u51fa\u4e86 10 \u79cd JWT \u7b97\u6cd5\u7684\u7c7b\u578b\u3001\u8bf4\u660e\u548c\u5b89\u5168\u6027\u6807\u6ce8\u3002\u5982\u679c Token \u7528\u7684\u662f alg: none，\u5de5\u5177\u4f1a\u663e\u793a\u9192\u76ee\u7684\u6a59\u8272"\u65e0\u7b7e\u540d\u7b97\u6cd5(alg=none)"\u8b66\u544a\u2014\u2014\u4f60\u53ef\u4ee5\u6784\u9020\u4e00\u4e2a alg: none \u7684 Token \u7c98\u8d34\u8fdb\u53bb\u770b\u770b\u6548\u679c，\u7406\u89e3\u4e3a\u4ec0\u4e48\u751f\u4ea7\u73af\u5883\u4e0d\u80fd\u7528\u3002<\/p>\n

\u5de5\u5177\u7684\u6240\u6709\u89e3\u7801\u5728\u6d4f\u89c8\u5668\u672c\u5730\u5b8c\u6210，\u4e0d\u4e0a\u4f20\u670d\u52a1\u5668\u3002\u5728\u9009\u578b\u9636\u6bb5，\u53ef\u4ee5\u628a\u4e0d\u540c\u7b97\u6cd5\u7b7e\u53d1\u7684 Token \u90fd\u7c98\u8d34\u8fdb\u53bb，\u5bf9\u6bd4\u5404\u6bb5\u7684\u957f\u5ea6\u5dee\u5f02\u2014\u2014RSA \u7b7e\u540d\u7684 Token \u6bd4 HMAC \u7684\u957f\u4e0d\u5c11，ECDSA \u5c45\u4e2d\u3002\u8fd9\u5bf9 Token \u5728 URL \u6216 Header \u4e2d\u4f20\u8f93\u7684\u4f53\u79ef\u8bc4\u4f30\u5f88\u6709\u53c2\u8003\u4ef7\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

JWT \u7684 Header \u91cc\u6709\u4e2a alg \u5b57\u6bb5，\u586b HS256 \u8fd8\u662f RS256？\u5f88\u591a\u4eba\u76f4\u63a5\u7528\u5e93\u7684\u9ed8\u8ba4\u503c，\u4ece\u6ca1\u60f3\u8fc7\u8fd9\u4e2a\u95ee\u9898\u3002\u9009\u9519\u4e86，\u8f7b\u5219\u6027\u80fd\u6d6a\u8d39，\u91cd\u5219\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u6587\u628a\u4e09\u7c7b\u7b7e\u540d\u7b97\u6cd5\u7684\u539f\u7406\u3001\u9002\u7528\u573a\u666f\u548c\u9009\u578b\u51b3\u7b56\u8bb2\u6e05\u695a\u3002 JWT \u7b7e\u540d\u7b97\u6cd5\u5206\u7c7b
\nJWT \u89c4\u8303\u5b9a\u4e49\u4e86\u4e09\u7c7b\u7b7e\u540d\u7b97\u6cd5：
\n\u7c7b\u522b\u7b97\u6cd5\u5bc6\u94a5\u6a21\u5f0f\u5178\u578b\u573a\u666fHMACHS256 \/ HS384 \/ HS512\u5bf9\u79f0\u5bc6\u94a5\u5355\u4f53\u5e94\u7528\u3001\u5185\u90e8\u670d\u52a1RSARS256 \/ <\/p>\n","protected":false},"author":2,"featured_media":100098,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[99,2201,427],"topic":[],"class_list":["post-100099","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-java","tag-struts","tag-427"],"yoast_head":"\nJWT\u7b7e\u540d\u7b97\u6cd5\u5168\u89e3\u6790\uff1aHS256 vs RS256 vs ES256 \u600e\u4e48\u9009 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/100099.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JWT\u7b7e\u540d\u7b97\u6cd5\u5168\u89e3\u6790\uff1aHS256 vs RS256 vs ES256 \u600e\u4e48\u9009 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"JWT \u7684 Header \u91cc\u6709\u4e2a alg \u5b57\u6bb5，\u586b HS256 \u8fd8\u662f RS256？\u5f88\u591a\u4eba\u76f4\u63a5\u7528\u5e93\u7684\u9ed8\u8ba4\u503c，\u4ece\u6ca1\u60f3\u8fc7\u8fd9\u4e2a\u95ee\u9898\u3002\u9009\u9519\u4e86，\u8f7b\u5219\u6027\u80fd\u6d6a\u8d39，\u91cd\u5219\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u6587\u628a\u4e09\u7c7b\u7b7e\u540d\u7b97\u6cd5\u7684\u539f\u7406\u3001\u9002\u7528\u573a\u666f\u548c\u9009\u578b\u51b3\u7b56\u8bb2\u6e05\u695a\u3002 JWT \u7b7e\u540d\u7b97\u6cd5\u5206\u7c7b JWT \u89c4\u8303\u5b9a\u4e49\u4e86\u4e09\u7c7b\u7b7e\u540d\u7b97\u6cd5： \u7c7b\u522b\u7b97\u6cd5\u5bc6\u94a5\u6a21\u5f0f\u5178\u578b\u573a\u666fHMACHS256 \/ HS384 \/ HS512\u5bf9\u79f0\u5bc6\u94a5\u5355\u4f53\u5e94\u7528\u3001\u5185\u90e8\u670d\u52a1RSARS256 \/\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/100099.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-03T14:48:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260903144848-6a9988d02f2f6.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/100099.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/100099.html\",\"name\":\"JWT\u7b7e\u540d\u7b97\u6cd5\u5168\u89e3\u6790\uff1aHS256 vs RS256 vs ES256 \u600e\u4e48\u9009 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-09-03T14:48:49+00:00\",\"dateModified\":\"2026-09-03T14:48:49+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/100099.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/100099.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/100099.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"JWT\u7b7e\u540d\u7b97\u6cd5\u5168\u89e3\u6790\uff1aHS256 vs RS256 vs ES256 \u600e\u4e48\u9009\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"JWT\u7b7e\u540d\u7b97\u6cd5\u5168\u89e3\u6790\uff1aHS256 vs RS256 vs ES256 \u600e\u4e48\u9009 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/100099.html","og_locale":"zh_CN","og_type":"article","og_title":"JWT\u7b7e\u540d\u7b97\u6cd5\u5168\u89e3\u6790\uff1aHS256 vs RS256 vs ES256 \u600e\u4e48\u9009 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"JWT \u7684 Header \u91cc\u6709\u4e2a alg \u5b57\u6bb5，\u586b HS256 \u8fd8\u662f RS256？\u5f88\u591a\u4eba\u76f4\u63a5\u7528\u5e93\u7684\u9ed8\u8ba4\u503c，\u4ece\u6ca1\u60f3\u8fc7\u8fd9\u4e2a\u95ee\u9898\u3002\u9009\u9519\u4e86，\u8f7b\u5219\u6027\u80fd\u6d6a\u8d39，\u91cd\u5219\u5b89\u5168\u6f0f\u6d1e\u3002\u672c\u6587\u628a\u4e09\u7c7b\u7b7e\u540d\u7b97\u6cd5\u7684\u539f\u7406\u3001\u9002\u7528\u573a\u666f\u548c\u9009\u578b\u51b3\u7b56\u8bb2\u6e05\u695a\u3002 JWT \u7b7e\u540d\u7b97\u6cd5\u5206\u7c7b JWT \u89c4\u8303\u5b9a\u4e49\u4e86\u4e09\u7c7b\u7b7e\u540d\u7b97\u6cd5： \u7c7b\u522b\u7b97\u6cd5\u5bc6\u94a5\u6a21\u5f0f\u5178\u578b\u573a\u666fHMACHS256 \/ HS384 \/ HS512\u5bf9\u79f0\u5bc6\u94a5\u5355\u4f53\u5e94\u7528\u3001\u5185\u90e8\u670d\u52a1RSARS256 \/","og_url":"https:\/\/www.wsisp.com\/helps\/100099.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-09-03T14:48:49+00:00","og_image":[{"url":"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260903144848-6a9988d02f2f6.png"}],"author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/100099.html","url":"https:\/\/www.wsisp.com\/helps\/100099.html","name":"JWT\u7b7e\u540d\u7b97\u6cd5\u5168\u89e3\u6790\uff1aHS256 vs RS256 vs ES256 \u600e\u4e48\u9009 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-09-03T14:48:49+00:00","dateModified":"2026-09-03T14:48:49+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/100099.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/100099.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/100099.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"JWT\u7b7e\u540d\u7b97\u6cd5\u5168\u89e3\u6790\uff1aHS256 vs RS256 vs ES256 \u600e\u4e48\u9009"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/100099","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=100099"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/100099\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media\/100098"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=100099"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=100099"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=100099"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=100099"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}