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Asymmetric key decryption
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Last updated: 2024-01-11 16:28:54
Asymmetric key decryption
Last updated: 2024-01-11 16:28:54
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Overview

KMS provides the following SM2 and RSA asymmetric key-based decryption APIs:
API Name
Description
Remarks
AsymmetricSm2Decrypt
SM2 decryption
For more information, please see AsymmetricSm2Decrypt
AsymmetricRsaDecrypt
RSA decryption
For more information, please see AsymmetricRsaDecrypt
The samples below are called with TCCLI, and you can also use any supported programming languages.

Asymmetric Decryption

RSA decryption

Input

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******=="

Output

{
    "Response": {
        "RequestId": "6758cbf5-5e21-4c37-a2cf-8d47f5******",
        "KeyId": "22d79428-61d9-11ea-a3c8-525400******",
        "Plaintext": "dGVzdAo="
    }
}

SM2 decryption

Input

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******=="

Output

{
    "Response": {
        "RequestId": "6758cbf5-5e21-4c37-a2cf-8d47f5******",
        "KeyId": "22d79428-61d9-11ea-a3c8-525400******",
        "Plaintext": "dGVzdAo="
    }
}

Viewing Public Key

Overview

This API is used to get the information of the public key with the specified KeyId. For the API documentation, please see GetPublicKey.
The sample below is called with TCCLI, and you can also use any supported programming languages.

Sample

Input

tccli kms GetPublicKey  --KeyId 22d79428-61d9-11ea-a3c8-525400******

Output

{
    "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"
    }
}

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