Month: December 2024

Enhancements were made to wolfCLU for using PEM formatted keys with sign and verify operations. Previously, the sign and verify commands only expected DER formatted keys. This addition was made for all supported algorithms: RSA, ECC, and ED25519. It can be used with the flag -inform. An example would be `wolfssl rsa -inkey priv.key -inform PEM -sigfile signature.bin -in sign-this.txt -out result`. This new enhancement helps make it easier to quickly generate a signature of a file. No longer have the restriction on the format of keys used and the hassle of converting between the two.

For more information or questions about any of the above, please contact us at facts@wolfssl.com or call us at +1 425 245 8247.

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The `rsa` command with wolfCLU just got better! Now there is support for `-pubin` and `-pubout` options. This facilitates loading in a RSA public key only and printing out just the public version of the key. Very useful for cases such as signature verification where you may only have the public part of the key, or for printing out the public version of an RSA key to distribute to others. The expanded support follows the same naming as the OpenSSL command line utility, making it easy to interchange the command line utility being used.

For more information or questions about the above, contact us at facts@wolfSSL.com or call +1 425 245 8247.

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