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Pbes2KeyUnwrapper

cdx_core::security

Struct Pbes2KeyUnwrapper 

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pub struct Pbes2KeyUnwrapper { /* private fields */ }
Available on crate features signatures and key-wrapping-pbes2 only.
Expand description

PBES2-HS256+A256KW key unwrapper (password-based).

Derives the same KEK from the password and salt/iterations stored in the wrapped data, then unwraps the content encryption key.

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impl Pbes2KeyUnwrapper

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pub fn new(password: impl AsRef<[u8]>) -> Self

Create a key unwrapper with the given password.

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pub fn unwrap(&self, data: &Pbes2WrappedKeyData) -> Result<Vec<u8>>

Unwrap a content encryption key.

Uses the salt and iteration count from the wrapped data to derive the KEK, then unwraps the content key.

§Errors

Returns an error if the password is wrong or the wrapped data is tampered.

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