tencent cloud

Key Management Service

Product Introduction
Product Overview
Product Strengths
Use Cases
Concepts
Purchase Guide
Billing Overview
Purchase Method
Renewal Instructions
Payment Overdue
Console Guide
Getting Started
Key Management
Access Control
Audit
TCCLI Management Guide
Operation Overview
Creating Key
Viewing Key
Editing Key
Enabling/Disabling Key
Key Rotation
Encryption and Decryption
Asymmetric key decryption
Deleting Key
Practical Tutorial
Symmetrical Encryption and Decryption
Asymmetric Encryption and Decryption
Post-Quantum Cryptography Practice In KMS
Importing External Key
Implementing Exponential Backoff to Deal with Service Frequency
Cloud Product Integration with KMS for Transparent Encryption
API documentation
History
Introduction
API Category
Key APIs
Making API Requests
Asymmetric Key APIs
Data Types
Error Codes
Service Level Agreement
FAQS
FAQs
General
KMS Policy
Privacy Policy
Data Processing And Security Agreement
Contact Us
Glossary

Asymmetric key decryption

PDF
Focus Mode
Font Size
Last updated: 2024-01-11 16:28:54

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"
}
}


Help and Support

Was this page helpful?

Help us improve! Rate your documentation experience in 5 mins.

Feedback