These changes are the raw update to qemu-2.6.

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / sha512.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/sha512.h b/qemu/roms/ipxe/src/include/ipxe/sha512.h
new file mode 100644 (file)
index 0000000..8e22d83
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/sha512.h
@@ -0,0 +1,98 @@
+#ifndef _IPXE_SHA512_H
+#define _IPXE_SHA512_H
+
+/** @file
+ *
+ * SHA-512 algorithm
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <stdint.h>
+#include <ipxe/crypto.h>
+
+/** SHA-512 number of rounds */
+#define SHA512_ROUNDS 80
+
+/** An SHA-512 digest */
+struct sha512_digest {
+       /** Hash output */
+       uint64_t h[8];
+};
+
+/** An SHA-512 data block */
+union sha512_block {
+       /** Raw bytes */
+       uint8_t byte[128];
+       /** Raw qwords */
+       uint64_t qword[16];
+       /** Final block structure */
+       struct {
+               /** Padding */
+               uint8_t pad[112];
+               /** High 64 bits of length in bits */
+               uint64_t len_hi;
+               /** Low 64 bits of length in bits */
+               uint64_t len_lo;
+       } final;
+};
+
+/** SHA-512 digest and data block
+ *
+ * The order of fields within this structure is designed to minimise
+ * code size.
+ */
+struct sha512_digest_data {
+       /** Digest of data already processed */
+       struct sha512_digest digest;
+       /** Accumulated data */
+       union sha512_block data;
+} __attribute__ (( packed ));
+
+/** SHA-512 digest and data block */
+union sha512_digest_data_qwords {
+       /** Digest and data block */
+       struct sha512_digest_data dd;
+       /** Raw qwords */
+       uint64_t qword[ sizeof ( struct sha512_digest_data ) /
+                       sizeof ( uint64_t ) ];
+};
+
+/** An SHA-512 context */
+struct sha512_context {
+       /** Amount of accumulated data */
+       size_t len;
+       /** Digest size */
+       size_t digestsize;
+       /** Digest and accumulated data */
+       union sha512_digest_data_qwords ddq;
+} __attribute__ (( packed ));
+
+/** SHA-512 context size */
+#define SHA512_CTX_SIZE sizeof ( struct sha512_context )
+
+/** SHA-512 digest size */
+#define SHA512_DIGEST_SIZE sizeof ( struct sha512_digest )
+
+/** SHA-384 digest size */
+#define SHA384_DIGEST_SIZE ( SHA512_DIGEST_SIZE * 384 / 512 )
+
+/** SHA-512/256 digest size */
+#define SHA512_256_DIGEST_SIZE ( SHA512_DIGEST_SIZE * 256 / 512 )
+
+/** SHA-512/224 digest size */
+#define SHA512_224_DIGEST_SIZE ( SHA512_DIGEST_SIZE * 224 / 512 )
+
+extern void sha512_family_init ( struct sha512_context *context,
+                                const struct sha512_digest *init,
+                                size_t digestsize );
+extern void sha512_update ( void *ctx, const void *data, size_t len );
+extern void sha512_final ( void *ctx, void *out );
+
+extern struct digest_algorithm sha512_algorithm;
+extern struct digest_algorithm sha384_algorithm;
+extern struct digest_algorithm sha512_256_algorithm;
+extern struct digest_algorithm sha512_224_algorithm;
+
+#endif /* IPXE_SHA512_H */