Separated PK operations.

1 files changed, 48 insertions, 0 deletions

diff --git a/ncr-pk.h b/ncr-pk.h
new file mode 100644
index 0000000..1180017
--- /dev/null
+++ b/ncr-pk.h
@@ -0,0 +1,48 @@
+#ifndef NCR_PK_H
+# define NCR_PK_H
+
+#include <tomcrypt.h>
+
+struct ncr_pk_ctx {
+	ncr_algorithm_t algorithm; /* algorithm */
+	
+	ncr_algorithm_t sign_hash; /* for verification */
+	
+	ncr_algorithm_t oaep_hash;
+	int salt_len; /* for RSA-PSS signatures */
+	
+	int type; /* libtomcrypt type */
+	int init; /* non zero if initialized */
+	
+	struct key_item_st * key;
+};
+
+/* PK */
+void ncr_pk_clear(struct key_item_st* key);
+int ncr_pk_generate(ncr_algorithm_t algo,
+	struct ncr_key_generate_params_st * params,
+	struct key_item_st* private, struct key_item_st* public);
+int ncr_pk_pack( const struct key_item_st * key, uint8_t * packed, uint32_t * packed_size);
+int ncr_pk_unpack( struct key_item_st * key, const void * packed, size_t packed_size);
+
+
+int ncr_pk_queue_init(void);
+void ncr_pk_queue_deinit(void);
+
+/* encryption/decryption */
+int ncr_pk_cipher_init(ncr_algorithm_t algo, 
+	struct ncr_pk_ctx* ctx, struct ncr_key_params_st* params,
+	struct key_item_st *key);
+void ncr_pk_cipher_deinit(struct ncr_pk_ctx* ctx);
+int ncr_pk_cipher_encrypt(const struct ncr_pk_ctx* ctx, const void* input, 
+	size_t input_size, void* output, size_t *output_size);
+int ncr_pk_cipher_decrypt(const struct ncr_pk_ctx* ctx, const void* input, 
+	size_t input_size, void* output, size_t *output_size);
+int ncr_pk_cipher_sign(const struct ncr_pk_ctx* ctx, const void* input, 
+	size_t input_size, void* output, size_t *output_size);
+
+int ncr_pk_cipher_verify(const struct ncr_pk_ctx* ctx, 
+	const void* signature, size_t signature_size, 
+	const void* hash, size_t hash_size, ncr_error_t*);
+
+#endif