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Results tagged with oaep
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user 12642
Optimal Asymmetric Encryption Padding is a padding scheme for RSA, codifying how short plaintext is enciphered and deciphered. It has a security reduction to the RSA problem.
1
vote
RSA different ciphertext for the same plaintext
Normally you don't specify anything and it uses defaults, but you can optionally make separate calls to configure/tailor it before doing an operation that uses it, such as RSA encryption either OAEP or … of init which correspond to different use-cases, some including an RNG and some not; if you use one without, e.g. init(int,Key,AlgorithmParameterSpec) for an instance that needs randomness (like RSA-OAEP …
- 6,474
2
votes
Is Bouncycastle RSA+OAEP implementation vulnerable to Manger’s attack?
The RSAES-OAEP scheme in PKCS1 v2.0, v2.1 and v2.2 (rfc2437, rfc3447, rfc8017 respectively) is the same scheme, although the notation changed between 2.0 and 2.1; see why did oaep change from pkcs1 v2.0 … and https://stackoverflow.com/questions/42709020/is-there-a-default-label-for-the-built-in-rsa-oaep-encryption-in-java . …
- 6,474
2
votes
Accepted
RSA Optimal Asymmetric Encryption Padding Beginner
Yes, (Optimal) "Asymmetric Encryption Padding" means padding for asymmetric encryption which in practice means RSA encryption. The padded block is then RSA-encrypted, and on decryption the RSA-decrypt …
- 6,474