Typo.

[openssl.git] / crypto / rsa / rsa_pmeth.c

diff --git a/crypto/rsa/rsa_pmeth.c b/crypto/rsa/rsa_pmeth.c
index 98a8ce44c3ea5c0e58704b91ffcddeebfc73fd5a..2b185f0accfeaf1b07f57277dc5dc121194e8a60 100644 (file)
--- a/crypto/rsa/rsa_pmeth.c
+++ b/crypto/rsa/rsa_pmeth.c
@@ -1,5 +1,5 @@
 /* crypto/rsa/rsa_pmeth.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
 /* ====================================================================
@@ -61,7 +61,11 @@
 #include <openssl/asn1t.h>
 #include <openssl/x509.h>
 #include <openssl/rsa.h>
+#include <openssl/bn.h>
 #include <openssl/evp.h>
+#ifndef OPENSSL_NO_CMS
+#include <openssl/cms.h>
+#endif
 #include "evp_locl.h"
 #include "rsa_locl.h"
 
@@ -78,6 +82,8 @@ typedef struct
        int pad_mode;
        /* message digest */
        const EVP_MD *md;
+       /* message digest for MGF1 */
+       const EVP_MD *mgf1md;
        /* PSS/OAEP salt length */
        int saltlen;
        /* Temp buffer */
@@ -94,6 +100,7 @@ static int pkey_rsa_init(EVP_PKEY_CTX *ctx)
        rctx->pub_exp = NULL;
        rctx->pad_mode = RSA_PKCS1_PADDING;
        rctx->md = NULL;
+       rctx->mgf1md = NULL;
        rctx->tbuf = NULL;
 
        rctx->saltlen = -2;
@@ -162,7 +169,20 @@ static int pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
                                        RSA_R_INVALID_DIGEST_LENGTH);
                        return -1;
                        }
-               if (rctx->pad_mode == RSA_X931_PADDING)
+
+               if (EVP_MD_type(rctx->md) == NID_mdc2)
+                       {
+                       unsigned int sltmp;
+                       if (rctx->pad_mode != RSA_PKCS1_PADDING)
+                               return -1;
+                       ret = RSA_sign_ASN1_OCTET_STRING(NID_mdc2,
+                                               tbs, tbslen, sig, &sltmp, rsa);
+
+                       if (ret <= 0)
+                               return ret;
+                       ret = sltmp;
+                       }
+               else if (rctx->pad_mode == RSA_X931_PADDING)
                        {
                        if (!setup_tbuf(rctx, ctx))
                                return -1;
@@ -185,8 +205,10 @@ static int pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
                        {
                        if (!setup_tbuf(rctx, ctx))
                                return -1;
-                       if (!RSA_padding_add_PKCS1_PSS(rsa, rctx->tbuf, tbs,
-                                               rctx->md, rctx->saltlen))
+                       if (!RSA_padding_add_PKCS1_PSS_mgf1(rsa,
+                                               rctx->tbuf, tbs,
+                                               rctx->md, rctx->mgf1md,
+                                               rctx->saltlen))
                                return -1;
                        ret = RSA_private_encrypt(RSA_size(rsa), rctx->tbuf,
                                                sig, rsa, RSA_NO_PADDING);
@@ -245,6 +267,8 @@ static int pkey_rsa_verifyrecover(EVP_PKEY_CTX *ctx,
                        ret = int_rsa_verify(EVP_MD_type(rctx->md),
                                                NULL, 0, rout, &sltmp,
                                        sig, siglen, ctx->pkey->pkey.rsa);
+                       if (ret <= 0)
+                               return 0;
                        ret = sltmp;
                        }
                else
@@ -286,7 +310,8 @@ static int pkey_rsa_verify(EVP_PKEY_CTX *ctx,
                                                        rsa, RSA_NO_PADDING);
                        if (ret <= 0)
                                return 0;
-                       ret = RSA_verify_PKCS1_PSS(rsa, tbs, rctx->md,
+                       ret = RSA_verify_PKCS1_PSS_mgf1(rsa, tbs,
+                                               rctx->md, rctx->mgf1md,
                                                rctx->tbuf, rctx->saltlen);
                        if (ret <= 0)
                                return 0;
@@ -400,15 +425,25 @@ static int pkey_rsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
                                RSA_R_ILLEGAL_OR_UNSUPPORTED_PADDING_MODE);
                return -2;
 
+               case EVP_PKEY_CTRL_GET_RSA_PADDING:
+               *(int *)p2 = rctx->pad_mode;
+               return 1;
+
                case EVP_PKEY_CTRL_RSA_PSS_SALTLEN:
-               if (p1 < -2)
-                       return -2;
+               case EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN:
                if (rctx->pad_mode != RSA_PKCS1_PSS_PADDING)
                        {
                        RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_PSS_SALTLEN);
                        return -2;
                        }
-               rctx->saltlen = p1;
+               if (type == EVP_PKEY_CTRL_GET_RSA_PSS_SALTLEN)
+                       *(int *)p2 = rctx->saltlen;
+               else
+                       {
+                       if (p1 < -2)
+                               return -2;
+                       rctx->saltlen = p1;
+                       }
                return 1;
 
                case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
@@ -432,10 +467,49 @@ static int pkey_rsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
                rctx->md = p2;
                return 1;
 
+               case EVP_PKEY_CTRL_RSA_MGF1_MD:
+               case EVP_PKEY_CTRL_GET_RSA_MGF1_MD:
+               if (rctx->pad_mode != RSA_PKCS1_PSS_PADDING)
+                       {
+                       RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_MGF1_MD);
+                       return -2;
+                       }
+               if (type == EVP_PKEY_CTRL_GET_RSA_MGF1_MD)
+                       {
+                       if (rctx->mgf1md)
+                               *(const EVP_MD **)p2 = rctx->mgf1md;
+                       else
+                               *(const EVP_MD **)p2 = rctx->md;
+                       }
+               else
+                       rctx->mgf1md = p2;
+               return 1;
+
+               case EVP_PKEY_CTRL_DIGESTINIT:
                case EVP_PKEY_CTRL_PKCS7_ENCRYPT:
                case EVP_PKEY_CTRL_PKCS7_DECRYPT:
                case EVP_PKEY_CTRL_PKCS7_SIGN:
                return 1;
+#ifndef OPENSSL_NO_CMS
+               case EVP_PKEY_CTRL_CMS_DECRYPT:
+               {
+               X509_ALGOR *alg = NULL;
+               ASN1_OBJECT *encalg = NULL;
+               if (p2)
+                       CMS_RecipientInfo_ktri_get0_algs(p2, NULL, NULL, &alg);
+               if (alg)
+                       X509_ALGOR_get0(&encalg, NULL, NULL, alg);
+               if (encalg && OBJ_obj2nid(encalg) == NID_rsaesOaep)
+                       rctx->pad_mode = RSA_PKCS1_OAEP_PADDING;
+               }
+               case EVP_PKEY_CTRL_CMS_ENCRYPT:
+               case EVP_PKEY_CTRL_CMS_SIGN:
+               return 1;
+#endif
+               case EVP_PKEY_CTRL_PEER_KEY:
+                       RSAerr(RSA_F_PKEY_RSA_CTRL,
+                       RSA_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+                       return -2;      
 
                default:
                return -2;
@@ -462,6 +536,8 @@ static int pkey_rsa_ctrl_str(EVP_PKEY_CTX *ctx,
                        pm = RSA_NO_PADDING;
                else if (!strcmp(value, "oeap"))
                        pm = RSA_PKCS1_OAEP_PADDING;
+               else if (!strcmp(value, "oaep"))
+                       pm = RSA_PKCS1_OAEP_PADDING;
                else if (!strcmp(value, "x931"))
                        pm = RSA_X931_PADDING;
                else if (!strcmp(value, "pss"))