crypto_blkcipher_decrypt(9) - phpMan
CRYPTO_BLKCIPHER_DEC(9) Programming Interface CRYPTO_BLKCIPHER_DEC(9)
NAME
crypto_blkcipher_decrypt - decrypt ciphertext
SYNOPSIS
int crypto_blkcipher_decrypt(struct blkcipher_desc * desc, struct scatterlist * dst,
struct scatterlist * src, unsigned int nbytes);
ARGUMENTS
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.
DESCRIPTION
Decrypt ciphertext data using the IV set by the caller with a preceding call of
crypto_blkcipher_set_iv.
The blkcipher_desc data structure must be filled by the caller as documented for the
crypto_blkcipher_encrypt call above.
RETURN
0 if the cipher operation was successful; < 0 if an error occurred
AUTHORS
Stephan Mueller <smueller AT chronox.de>
Author.
Marek Vasut <marek AT denx.de>
Author.
COPYRIGHT
Kernel Hackers Manual 4.8. January 2017 CRYPTO_BLKCIPHER_DEC(9)
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