He pastes alice's public key into the text box or uploads the public key file. Then, he enters the data to encapsulate - either by pasting text (up to 1kb) or uploading a file (up to 5mb, such as a document รขโ‚ฌยฆ Frodokem algorithm type:

Main cryptographic assumption: Learning with errors (lwe). Michael naehrig, erdem alkim, joppe bos, lรฉo ducas, karen รขโ‚ฌยฆ Concretely, this library includes the following kem schemes using aes128 for the generation of the public matrix a: Frodokem-640-aes and efrodokem-640-aes: Matching the post-quantum รขโ‚ฌยฆ Concrete instantiations frodokem-640:

Frodokem-640-aes and efrodokem-640-aes: Matching the post-quantum รขโ‚ฌยฆ Concrete instantiations frodokem-640: Targets level 1 security (รขโ€ฐยฅ aes-128). Targets level 3 security (รขโ€ฐยฅ aes-192). Other parameterizations are easy, by changing compile-time constants. Frodokem, at level 3 and 5, is one of two post-quantum algorithms recommended by the german federal office for information security (bsi) as cryptographically suitable for long-term confidentiality. This implementation passes all kat tests from the reference specification for all defined key sizes (640 / 976 / 1344) and variants (aes / shake). For frodokem-640-shake, we can see that the size of alice's public key is 9,616 bytes long, and her private key is 19,888 bytes long. The ciphertext passed is 9,270 bytes long.

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Other parameterizations are easy, by changing compile-time constants. Frodokem, at level 3 and 5, is one of two post-quantum algorithms recommended by the german federal office for information security (bsi) as cryptographically suitable for long-term confidentiality. This implementation passes all kat tests from the reference specification for all defined key sizes (640 / 976 / 1344) and variants (aes / shake). For frodokem-640-shake, we can see that the size of alice's public key is 9,616 bytes long, and her private key is 19,888 bytes long. The ciphertext passed is 9,270 bytes long.

The ciphertext passed is 9,270 bytes long.