KEYS: Use common tpm_buf for trusted and asymmetric keys

Switch to utilize common heap based tpm_buf code for TPM based trusted
and asymmetric keys rather than using stack based tpm1_buf code. Also,
remove tpm1_buf code.

Suggested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Jerry Snitselaar <jsnitsel@redhat.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

1 files changed, 1 insertions, 36 deletions

diff --git a/include/keys/trusted.h b/include/keys/trusted.h
index 841ae111c976..29e3e9ba8e1a 100644
--- a/include/keys/trusted.h
+++ b/include/keys/trusted.h
@@ -5,10 +5,6 @@
 /* implementation specific TPM constants */
 #define MAX_BUF_SIZE			1024
 #define TPM_GETRANDOM_SIZE		14
-#define TPM_OSAP_SIZE			36
-#define TPM_OIAP_SIZE			10
-#define TPM_SEAL_SIZE			87
-#define TPM_UNSEAL_SIZE			104
 #define TPM_SIZE_OFFSET			2
 #define TPM_RETURN_OFFSET		6
 #define TPM_DATA_OFFSET			10
@@ -17,13 +13,6 @@
 #define LOAD32N(buffer, offset)	(*(uint32_t *)&buffer[offset])
 #define LOAD16(buffer, offset)	(ntohs(*(uint16_t *)&buffer[offset]))
 
-struct tpm1_buf {
-	int len;
-	unsigned char data[MAX_BUF_SIZE];
-};
-
-#define INIT_BUF(tb) (tb->len = 0)
-
 struct osapsess {
 	uint32_t handle;
 	unsigned char secret[SHA1_DIGEST_SIZE];
@@ -46,7 +35,7 @@ int TSS_checkhmac1(unsigned char *buffer,
 			  unsigned int keylen, ...);
 
 int trusted_tpm_send(unsigned char *cmd, size_t buflen);
-int oiap(struct tpm1_buf *tb, uint32_t *handle, unsigned char *nonce);
+int oiap(struct tpm_buf *tb, uint32_t *handle, unsigned char *nonce);
 
 #define TPM_DEBUG 0
 
@@ -109,28 +98,4 @@ static inline void dump_tpm_buf(unsigned char *buf)
 {
 }
 #endif
-
-static inline void store8(struct tpm1_buf *buf, const unsigned char value)
-{
-	buf->data[buf->len++] = value;
-}
-
-static inline void store16(struct tpm1_buf *buf, const uint16_t value)
-{
-	*(uint16_t *) & buf->data[buf->len] = htons(value);
-	buf->len += sizeof value;
-}
-
-static inline void store32(struct tpm1_buf *buf, const uint32_t value)
-{
-	*(uint32_t *) & buf->data[buf->len] = htonl(value);
-	buf->len += sizeof value;
-}
-
-static inline void storebytes(struct tpm1_buf *buf, const unsigned char *in,
-			      const int len)
-{
-	memcpy(buf->data + buf->len, in, len);
-	buf->len += len;
-}
 #endif