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author | David S. Miller <davem@davemloft.net> | 2016-01-13 08:21:27 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2016-01-13 08:21:27 +0300 |
commit | ddb5388ffd0ad75d07e7b78181a0b579824ba6f0 (patch) | |
tree | be1e2bd103c69d7bbace3fffd97bc3d714bbc3d7 /drivers/crypto/ccp/ccp-ops.c | |
parent | ccdf6ce6a8dba374668ae9b4d763e19903611c38 (diff) | |
parent | 67990608c8b95d2b8ccc29932376ae73d5818727 (diff) | |
download | linux-ddb5388ffd0ad75d07e7b78181a0b579824ba6f0.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Diffstat (limited to 'drivers/crypto/ccp/ccp-ops.c')
-rw-r--r-- | drivers/crypto/ccp/ccp-ops.c | 39 |
1 files changed, 8 insertions, 31 deletions
diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c index c6e883b296a9..6613aee79b87 100644 --- a/drivers/crypto/ccp/ccp-ops.c +++ b/drivers/crypto/ccp/ccp-ops.c @@ -152,32 +152,6 @@ static const __be32 ccp_sha256_init[CCP_SHA_CTXSIZE / sizeof(__be32)] = { cpu_to_be32(SHA256_H6), cpu_to_be32(SHA256_H7), }; -/* The CCP cannot perform zero-length sha operations so the caller - * is required to buffer data for the final operation. However, a - * sha operation for a message with a total length of zero is valid - * so known values are required to supply the result. - */ -static const u8 ccp_sha1_zero[CCP_SHA_CTXSIZE] = { - 0xda, 0x39, 0xa3, 0xee, 0x5e, 0x6b, 0x4b, 0x0d, - 0x32, 0x55, 0xbf, 0xef, 0x95, 0x60, 0x18, 0x90, - 0xaf, 0xd8, 0x07, 0x09, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -}; - -static const u8 ccp_sha224_zero[CCP_SHA_CTXSIZE] = { - 0xd1, 0x4a, 0x02, 0x8c, 0x2a, 0x3a, 0x2b, 0xc9, - 0x47, 0x61, 0x02, 0xbb, 0x28, 0x82, 0x34, 0xc4, - 0x15, 0xa2, 0xb0, 0x1f, 0x82, 0x8e, 0xa6, 0x2a, - 0xc5, 0xb3, 0xe4, 0x2f, 0x00, 0x00, 0x00, 0x00, -}; - -static const u8 ccp_sha256_zero[CCP_SHA_CTXSIZE] = { - 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, - 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24, - 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c, - 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55, -}; - static u32 ccp_addr_lo(struct ccp_dma_info *info) { return lower_32_bits(info->address + info->offset); @@ -1391,18 +1365,21 @@ static int ccp_run_sha_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd) if (sha->msg_bits) return -EINVAL; - /* A sha operation for a message with a total length of zero, - * return known result. + /* The CCP cannot perform zero-length sha operations so the + * caller is required to buffer data for the final operation. + * However, a sha operation for a message with a total length + * of zero is valid so known values are required to supply + * the result. */ switch (sha->type) { case CCP_SHA_TYPE_1: - sha_zero = ccp_sha1_zero; + sha_zero = sha1_zero_message_hash; break; case CCP_SHA_TYPE_224: - sha_zero = ccp_sha224_zero; + sha_zero = sha224_zero_message_hash; break; case CCP_SHA_TYPE_256: - sha_zero = ccp_sha256_zero; + sha_zero = sha256_zero_message_hash; break; default: return -EINVAL; |