* @cipher_mode: Algo type
* @data_size: Length of plaintext (bytes)
*
- * @Return: Length of padding, in bytes
+ * Return: Length of padding, in bytes
*/
u32 spum_gcm_ccm_pad_len(enum spu_cipher_mode cipher_mode,
unsigned int data_size)
}
/**
- * spu_aead_ivlen() - Calculate the length of the AEAD IV to be included
+ * spum_aead_ivlen() - Calculate the length of the AEAD IV to be included
* in a SPU request after the AAD and before the payload.
* @cipher_mode: cipher mode
- * @iv_ctr_len: initialization vector length in bytes
+ * @iv_len: initialization vector length in bytes
*
* In Linux ~4.2 and later, the assoc_data sg includes the IV. So no need
* to include the IV as a separate field in the SPU request msg.
/**
* spum_digest_size() - Determine the size of a hash digest to expect the SPU to
* return.
- * alg_digest_size: Number of bytes in the final digest for the given algo
- * alg: The hash algorithm
- * htype: Type of hash operation (init, update, full, etc)
+ * @alg_digest_size: Number of bytes in the final digest for the given algo
+ * @alg: The hash algorithm
+ * @htype: Type of hash operation (init, update, full, etc)
*
* When doing incremental hashing for an algorithm with a truncated hash
* (e.g., SHA224), the SPU returns the full digest so that it can be fed back as
* @aead_parms: Parameters related to AEAD operation
* @data_size: Length of data to be encrypted or authenticated. If AEAD, does
* not include length of AAD.
-
+ *
* Return: the length of the SPU header in bytes. 0 if an error occurs.
*/
u32 spum_create_request(u8 *spu_hdr,
* setkey() time in spu_cipher_req_init().
* @spu_hdr: Start of the request message header (MH field)
* @spu_req_hdr_len: Length in bytes of the SPU request header
- * @isInbound: 0 encrypt, 1 decrypt
+ * @is_inbound: 0 encrypt, 1 decrypt
* @cipher_parms: Parameters describing cipher operation to be performed
* @data_size: Length of the data in the BD field
*
/**
* spu2_fmd_init() - At setkey time, initialize the fixed meta data for
* subsequent skcipher requests for this context.
- * @spu2_cipher_type: Cipher algorithm
+ * @fmd: Start of FMD field to be written
+ * @spu2_type: Cipher algorithm
* @spu2_mode: Cipher mode
* @cipher_key_len: Length of cipher key, in bytes
* @cipher_iv_len: Length of cipher initialization vector, in bytes
* SPU request packet.
* @fmd: Start of FMD field to be written
* @is_inbound: true if decrypting. false if encrypting.
- * @authFirst: true if alg authenticates before encrypting
+ * @auth_first: true if alg authenticates before encrypting
* @protocol: protocol selector
* @cipher_type: cipher algorithm
* @cipher_mode: cipher mode
* spu2_fmd_ctrl1_write() - Write ctrl1 field in fixed metadata (FMD) field of
* SPU request packet.
* @fmd: Start of FMD field to be written
+ * @is_inbound: true if decrypting. false if encrypting.
* @assoc_size: Length of additional associated data, in bytes
* @auth_key_len: Length of authentication key, in bytes
* @cipher_key_len: Length of cipher key, in bytes
}
/**
- * spu_payload_length() - Given a SPU2 message header, extract the payload
+ * spu2_payload_length() - Given a SPU2 message header, extract the payload
* length.
* @spu_hdr: Start of SPU message header (FMD)
*
}
/**
- * spu_response_hdr_len() - Determine the expected length of a SPU response
+ * spu2_response_hdr_len() - Determine the expected length of a SPU response
* header.
* @auth_key_len: Length of authentication key, in bytes
* @enc_key_len: Length of encryption key, in bytes
+ * @is_hash: Unused
*
* For SPU2, includes just FMD. OMD is never requested.
*
}
/**
- * spu_hash_pad_len() - Calculate the length of hash padding required to extend
+ * spu2_hash_pad_len() - Calculate the length of hash padding required to extend
* data to a full block size.
* @hash_alg: hash algorithm
* @hash_mode: hash mode
}
/**
- * spu2_gcm_ccm_padlen() - Determine the length of GCM/CCM padding for either
+ * spu2_gcm_ccm_pad_len() - Determine the length of GCM/CCM padding for either
* the AAD field or the data.
+ * @cipher_mode: Unused
+ * @data_size: Unused
*
* Return: 0. Unlike SPU-M, SPU2 hardware does any GCM/CCM padding required.
*/
}
/**
- * spu_assoc_resp_len() - Determine the size of the AAD2 buffer needed to catch
+ * spu2_assoc_resp_len() - Determine the size of the AAD2 buffer needed to catch
* associated data in a SPU2 output packet.
* @cipher_mode: cipher mode
* @assoc_len: length of additional associated data, in bytes
return resp_len;
}
-/*
- * spu_aead_ivlen() - Calculate the length of the AEAD IV to be included
+/**
+ * spu2_aead_ivlen() - Calculate the length of the AEAD IV to be included
* in a SPU request after the AAD and before the payload.
* @cipher_mode: cipher mode
- * @iv_ctr_len: initialization vector length in bytes
+ * @iv_len: initialization vector length in bytes
*
* For SPU2, AEAD IV is included in OMD and does not need to be repeated
* prior to the payload.
/**
* spu2_digest_size() - Determine the size of a hash digest to expect the SPU to
* return.
- * alg_digest_size: Number of bytes in the final digest for the given algo
- * alg: The hash algorithm
- * htype: Type of hash operation (init, update, full, etc)
+ * @alg_digest_size: Number of bytes in the final digest for the given algo
+ * @alg: The hash algorithm
+ * @htype: Type of hash operation (init, update, full, etc)
*
*/
u32 spu2_digest_size(u32 alg_digest_size, enum hash_alg alg,
}
/**
- * spu_create_request() - Build a SPU2 request message header, includint FMD and
+ * spu2_create_request() - Build a SPU2 request message header, includint FMD and
* OMD.
* @spu_hdr: Start of buffer where SPU request header is to be written
* @req_opts: SPU request message options
}
/**
- * spu_cipher_req_init() - Build an skcipher SPU2 request message header,
+ * spu2_cipher_req_init() - Build an skcipher SPU2 request message header,
* including FMD and OMD.
* @spu_hdr: Location of start of SPU request (FMD field)
* @cipher_parms: Parameters describing cipher request
}
/**
- * spu_cipher_req_finish() - Finish building a SPU request message header for a
+ * spu2_cipher_req_finish() - Finish building a SPU request message header for a
* block cipher request.
* @spu_hdr: Start of the request message header (MH field)
* @spu_req_hdr_len: Length in bytes of the SPU request header
- * @isInbound: 0 encrypt, 1 decrypt
+ * @is_inbound: 0 encrypt, 1 decrypt
* @cipher_parms: Parameters describing cipher operation to be performed
* @data_size: Length of the data in the BD field
*
}
/**
- * spu_request_pad() - Create pad bytes at the end of the data.
+ * spu2_request_pad() - Create pad bytes at the end of the data.
* @pad_start: Start of buffer where pad bytes are to be written
* @gcm_padding: Length of GCM padding, in bytes
* @hash_pad_len: Number of bytes of padding extend data to full block
}
/**
- * spu_status_process() - Process the status from a SPU response message.
+ * spu2_status_process() - Process the status from a SPU response message.
* @statp: start of STATUS word
*
* Return: 0 - if status is good and response should be processed