RSA Test Keys

Provides test RSA keys of lengths between 1,024 and 2,048 bits. It also offers choice of modules between 3 and 65,537. Keys are randomly selected from a pre-computed set.

This tool generates an RSA key and returns it as a BASE64 encoded PKCS8 keyfile.
Please not that the key is selected from a small set of pre-computed RSA keys.

Key size, in bits (must be a multiple of 8):

Public Exponent (e)

3
0x10001
Generated key:

Click to download this key and save to disk


Cryptomathic is one of the world's leading providers of security solutions to businesses across a wide range of industry sectors including finance, smart card, digital rights management and government. Cryptomathic provides cryptographic solutions for Authentication & Signing, EMV, CA-Compliance, Key Management, Public Key Infrastructure and ID Issuing.



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