From d792dfa34e5afa989f00be1515b1ca3ef247887f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niels=20M=C3=B6ller?= <nisse@lysator.liu.se>
Date: Tue, 30 Oct 2001 20:46:38 +0100
Subject: [PATCH] * rsa-compat.h: Added real prototypes and declarations.
* Makefile.am (libnettle_a_SOURCES): Added rsa-compat.h and
rsa-compat.c.
Rev: src/nettle/rsa-compat.h:1.2
---
rsa-compat.h | 91 ++++++++++++++++++++++++++++++++++++++++++++++++----
1 file changed, 85 insertions(+), 6 deletions(-)
diff --git a/rsa-compat.h b/rsa-compat.h
index 6d3897f3..ad5c2757 100644
--- a/rsa-compat.h
+++ b/rsa-compat.h
@@ -26,13 +26,92 @@
#ifndef NETTLE_RSA_COMPAT_H_INCLUDED
#define NETTLE_RSA_COMPAT_H_INCLUDED
- R_SignInit, computes a digital signature on data of
- R_SignUpdate, arbitrary length, processing in parts
- and R_SignFinal
+#include "rsa.h"
+
+/* 256 octets or 2048 bits */
+#define MAX_RSA_MODULUS_LEN 256
+
+typedef struct
+{
+ unsigned bits;
+ uint8_t modulus[MAX_RSA_MODULUS_LEN];
+ uint8_t exponent[MAX_RSA_MODULUS_LEN];
+} R_RSA_PUBLIC_KEY;
+
+typedef struct
+{
+ unsigned bits;
+ uint8_t modulus[MAX_RSA_MODULUS_LEN];
+ uint8_t publicExponent[MAX_RSA_MODULUS_LEN];
+ uint8_t exponent[MAX_RSA_MODULUS_LEN];
+ uint8_t prime[2][MAX_RSA_MODULUS_LEN];
+ uint8_t primeExponent[2][MAX_RSA_MODULUS_LEN];
+ uint8_t coefficient[MAX_RSA_MODULUS_LEN];
+} R_RSA_PRIVATE_KEY;
+
+/* Only MD5 is supported for now */
+typedef struct
+{
+ struct md5_ctx hash;
+} R_SIGNATURE_CTX;
+
+/* Digest algorithms */
+/* DA_MD2 not implemented */
+enum { DA_MD5 = 1 };
+
+/* Return values */
+enum {
+ RE_SUCCESS = 0,
+ RE_CONTENT_ENCODING, /* encryptedContent has RFC 1421 encoding error */
+ RE_DATA, /* other party's private value out of range */
+ RE_DIGEST_ALGORITHM, /* message-digest algorithm is invalid */
+ RE_ENCODING, /* encoded block has RFC 1421 encoding error */
+ RE_ENCRYPTION_ALGORITHM, /* encryption algorithm is invalid */
+ RE_KEY, /* recovered data encryption key cannot decrypt */
+ RE_KEY_ENCODING, /* encrypted key has RFC 1421 encoding error */
+ RE_LEN, /* signatureLen out of range */
+ RE_MODULUS_LEN, /* modulus length invalid */
+ RE_NEED_RANDOM, /* random structure is not seeded */
+ RE_PRIVATE_KEY, /* private key cannot encrypt message digest, */
+ RE_PUBLIC_KEY, /* publicKey cannot decrypt signature */
+ RE_SIGNATURE, /* signature is incorrect */
+ RE_SIGNATURE_ENCODING, /* encodedSignature has RFC 1421 encoding error */
+};
+
+int
+R_SignInit(R_SIGNATURE_CTX *ctx,
+ int digestAlgorithm);
+
+int
+R_SignUpdate(R_SIGNATURE_CTX *ctx,
+ const uint8_t *data,
+ /* Length is an unsigned char according to rsaref.txt,
+ * but that must be a typo. */
+ unsigned length);
+
+int
+R_SignFinal(R_SIGNATURE_CTX *ctx,
+ uint8_t *signature,
+ unsigned *length,
+ R_RSA_PRIVATE_KEY *key);
+
+int
+R_VerifyInit(R_SIGNATURE_CTX *ctx,
+ int digestAlgorithm);
+
+int
+R_VerifyUpdate(R_SIGNATURE_CTX *ctx,
+ const uint8_t *data,
+ /* Length is an unsigned char according to rsaref.txt,
+ * but that must be a typo. */
+ unsigned length);
+
+int
+R_VerifyFinal(R_SIGNATURE_CTX *ctx,
+ uint8_t *signature,
+ unsigned length,
+ R_RSA_PUBLIC_KEY *key);
- R_VerifyInit, verifies a digital signature, processing in
- R_VerifyUpdate, parts
- and R_VerifyFinal
#endif /* NETTLE_RSA_COMPAT_H_INCLUDED */
--
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