1 files changed, 88 insertions, 0 deletions
diff --git a/src/include/s390_drbg_sha512.h b/src/include/s390_drbg_sha512.h
new file mode 100644
index 0000000..d4458f8
--- /dev/null
+++ b/src/include/s390_drbg_sha512.h
@@ -0,0 +1,88 @@
+/*
+ * This program is released under the Common Public License V1.0
+ *
+ * You should have received a copy of Common Public License V1.0 along with
+ * with this program.
+ *
+ * DRBG conforming to NIST SP800-90A
+ *
+ * Author(s): Patrick Steuer <patrick.steuer@de.ibm.com>
+ *
+ * Copyright IBM Corp. 2015
+ */
+
+#ifndef S390_DRBG_SHA512_H
+#define S390_DRBG_SHA512_H
+
+#include <stdint.h>
+
+#include "ica_api.h"
+
+#define DRBG_SHA512_SEED_LEN (888 / 8)
+
+/*
+ * SHA-512 DRBG mechanism working state type (see POP)
+ */
+struct drbg_sha512_ws{
+	uint32_t rsvd0;				/* padding */
+	uint32_t reseed_ctr;			/* reseed counter */
+	uint64_t stream_bytes;			/* no. of generated bytes */
+	unsigned char rsvd1;			/* padding */
+	unsigned char v[DRBG_SHA512_SEED_LEN];	/* V */
+	unsigned char rsvd2;			/* padding */
+	unsigned char c[DRBG_SHA512_SEED_LEN];	/* C */
+};
+
+/*
+ * SHA-512 DRBG mechanism functions
+ */
+int drbg_sha512_instantiate(void **ws,
+			    int sec_strength,
+			    const unsigned char *pers,
+			    size_t pers_len,
+			    const unsigned char *entropy,
+			    size_t entropy_len,
+			    const unsigned char *nonce,
+			    size_t nonce_len);
+
+int drbg_sha512_instantiate_ppno(void **ws,
+				 int sec_strength,
+				 const unsigned char *pers,
+				 size_t pers_len,
+				 const unsigned char *entropy,
+				 size_t entropy_len,
+				 const unsigned char *nonce,
+				 size_t nonce_len);
+
+int drbg_sha512_reseed(void *ws,
+		       const unsigned char *add,
+		       size_t add_len,
+		       const unsigned char *entropy,
+		       size_t entropy_len);
+
+int drbg_sha512_reseed_ppno(void *ws,
+			    const unsigned char *add,
+			    size_t add_len,
+			    const unsigned char *entropy,
+			    size_t entropy_len);
+
+int drbg_sha512_generate(void *ws,
+			 const unsigned char *add,
+			 size_t add_len,
+			 unsigned char *prnd,
+			 size_t prnd_len);
+
+int drbg_sha512_generate_ppno(void *ws,
+			      const unsigned char *add,
+			      size_t add_len,
+			      unsigned char *prnd,
+			      size_t prnd_len);
+
+int drbg_sha512_uninstantiate(void **ws,
+			      bool test_mode);
+
+int drbg_sha512_health_test(void *func,
+			    int sec,
+			    bool pr);
+
+#endif