crypto_blkcipher_decrypt

crypto_blkcipher_decrypt_iv
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crypto_blkcipher_decrypt_iv — decrypt ciphertext with dedicated IV

`int crypto_blkcipher_decrypt_iv (`	struct blkcipher_desc * `desc`,
	struct scatterlist * `dst`,
	struct scatterlist * `src`,
	unsigned int `nbytes)`;

desc: reference to the block cipher handle with meta data
dst: scatter/gather list that is filled by the cipher operation with the plaintext
src: scatter/gather list that holds the ciphertext
nbytes: number of bytes of the ciphertext to decrypt.

Decrypt ciphertext data with the use of an IV that is solely used for this cipher operation. Any previously set IV is not used.

The blkcipher_desc data structure must be filled by the caller as documented for the crypto_blkcipher_encrypt_iv call above.

0 if the cipher operation was successful; < 0 if an error occurred