一、概述
KMS 提供 SM2 和 RSA 的非对称密钥解密接口，分别如下：
| API 名称 | API 描述 | 说明 |
| AsymmetricSm2Decrypt | SM2 解密 | 请参见 AsymmetricSm2Decrypt |
| AsymmetricRsaDecrypt | RSA 解密 | 请参见 AsymmetricRsaDecrypt |
这篇示例使用腾讯云 命令行工具 TCCLI，后续你可以使用任何受支持的编程语言调用。
二、输入
tccli kms AsymmetricRsaDecrypt –KeyId 22d79428-61d9-11ea-a3c8-525400****** –Algorithm RSAES_OAEP_SHA_256 –Ciphertext "DEb/JBmuhVkYS34r0pR7Gv1WTc4khkxqf7S1WIr7/GXsAs/tfP/v/2+1SwsIG7BqW7kUZqr38/FGkaIEqYeewot37t3+Jx0t5w7/yXkUnyUfyfPpXlHXf94g3wFOjijEWWsjWWzaXTkTr8uWOfRBenq+bcaY783FIy03XjJW/Y0wKWjD3tULvKndCJO/3bkb65kn1Fbsfm20xrUUwqV/p2DVLXBdG1ymr0DjsbG7R0tb3ytc2LmH33YPAQE32eP27ciKzSml+w2tdUM3dw3nEZcTGMs1wFDGk0O1WB052jZ7TitUD9zCftFv2dKlZD3LRx1+vHqpNVgPhLmL******=="
三、输出
{ "Response": { "RequestId": "6758cbf5-5e21-4c37-a2cf-8d47f5******", "KeyId": "22d79428-61d9-11ea-a3c8-525400******", "Plaintext": "dGVzdAo=" }}
四、输入
tccli kms AsymmetricSm2Decrypt –KeyId 22d79428-61d9-11ea-a3c8-525400****** –Ciphertext "DEb/JBmuhVkYS34r0pR7Gv1WTc4khkxqf7S1WIr7/GXsAs/tfP/v/2+1SwsIG7BqW7kUZqr38/FGkaIEqYeewot37t3+Jx0t5w7/yXkUnyUfyfPpXlHXf94g3wFOjijEWWsjWWzaXTkTr8uWOfRBenq+bcaY783FIy03XjJW/Y0wKWjD3tULvKndCJO/3bkb65kn1Fbsfm20xrUUwqV/p2DVLXBdG1ymr0DjsbG7R0tb3ytc2LmH33YPAQE32eP27ciKzSml+w2tdUM3dw3nEZcTGMs1wFDGk0O1WB052jZ7TitUD9zCftFv2dKlZD3LRx1+vHqpNVgPhLmL******=="
五、输出
{ "Response": { "RequestId": "6758cbf5-5e21-4c37-a2cf-8d47f5******", "KeyId": "22d79428-61d9-11ea-a3c8-525400******", "Plaintext": "dGVzdAo=" }}
六、概述
获取指定 KeyId 的公钥信息，API 文档请参见 GetPublicKey。
这篇示例使用腾讯云 命令行工具 TCCLI，后续你可以使用任何受支持的编程语言调用。
七、输入
tccli kms GetPublicKey –KeyId 22d79428-61d9-11ea-a3c8-525400******
八、输出：
{ "Response": { "RequestId": "408fa858-cd6d-4011-b8a0-653805******", "KeyId": "22d79428-61d9-11ea-a3c8-525400******", "PublicKey": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzQk7x7ladgVFEEGYDbeUc5aO9TfiDplIO4WovBOVpIFoDS31n46YiCGiqj67qmYslZ2KMGCd3Nt+a+jdzwFiTx3O87wdKWcF2vHL9Ja+95VuCmKYeK1uhPyqqj4t9Ch/cyvxb0xaLBzztTQ9dXCxDhwj08b24T+/FYB9a4icuqQypCvjY1X9j8ivAsPEdHZoc9Di7JXBTZdVeZC1igCVgl6mwzdHTJCRydE2976zyjC7l6QsRT6pRsMF3696N07WnaKgGv3K/Zr/6RbxebLqtmNypNERIR7jTCt9L+fgYOX7anmuF5v7z0GfFsen9Tqb1LsZuQR0vgqCauOjL2CL1Q******", "PublicKeyPem": "—–BEGIN PUBLIC KEY—–\\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzQk7x7ladgVFEEGYDbeU\\nc5aO9TfiDplIO4WovBOVpIFoDS31n46YiCGiqj67qmYslZ2KMGCd3Nt+a+jdzwFi\\nTx3O87wdKWcF2vHL9Ja+95VuCmKYeK1uhPyqqj4t9Ch/cyvxb0xaLBzztTQ9dXCx\\nDhwj08b24T+/FYB9a4icuqQypCvjY1X9j8ivAsPEdHZoc9Di7JXBTZdVeZC1igCV\\ngl6mwzdHTJCRydE2976zyjC7l6QsRT6pRsMF3696N07WnaKgGv3K/Zr/6RbxebLq\\ntmNypNERIR7jTCt9L+fgYOX7anmuF5v7z0GfFsen9Tqb1LsZuQR0vgqCau******\\n1QIDAQAB\\n—–END PUBLIC KEY—–\\n" }}