Decrypt ciphertext and update the OCB authentication state.

Synopsis

Declared in <openssl/modes.h>

int
CRYPTO_ocb128_decrypt(
    OCB128_CONTEXT* ctx,
    unsigned char const* in,
    unsigned char* out,
    size_t len);

Return Value

1 on success, or 0 on failure.

Parameters

Name

Description

ctx

OCB context ready for decryption.

in

Ciphertext bytes of length len.

out

Plaintext buffer of length len (may equal in).

len

Number of bytes to decrypt.

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