/* evp_locl.h */
-/* 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 2000.
*/
/* ====================================================================
/* Wrapper functions for each cipher mode */
#define BLOCK_CIPHER_ecb_loop() \
- unsigned int i, bl; \
+ size_t i, bl; \
bl = ctx->cipher->block_size;\
if(inl < bl) return 1;\
inl -= bl; \
- for(i=0; i <= inl; i+=bl) \
+ for(i=0; i <= inl; i+=bl)
#define BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
-static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
+static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
{\
BLOCK_CIPHER_ecb_loop() \
cprefix##_ecb_encrypt(in + i, out + i, &((kstruct *)ctx->cipher_data)->ksched, ctx->encrypt);\
return 1;\
}
-#define BLOCK_CIPHER_func_ofb(cname, cprefix, kstruct, ksched) \
-static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
+#define EVP_MAXCHUNK ((size_t)1<<(sizeof(long)*8-2))
+
+#define BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched) \
+static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
{\
- cprefix##_ofb64_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num);\
+ while(inl>=EVP_MAXCHUNK)\
+ {\
+ cprefix##_ofb##cbits##_encrypt(in, out, (long)EVP_MAXCHUNK, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num);\
+ inl-=EVP_MAXCHUNK;\
+ in +=EVP_MAXCHUNK;\
+ out+=EVP_MAXCHUNK;\
+ }\
+ if (inl)\
+ cprefix##_ofb##cbits##_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num);\
return 1;\
}
#define BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
-static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
+static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
{\
- cprefix##_cbc_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, ctx->encrypt);\
+ while(inl>=EVP_MAXCHUNK) \
+ {\
+ cprefix##_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, ctx->encrypt);\
+ inl-=EVP_MAXCHUNK;\
+ in +=EVP_MAXCHUNK;\
+ out+=EVP_MAXCHUNK;\
+ }\
+ if (inl)\
+ cprefix##_cbc_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, ctx->encrypt);\
return 1;\
}
-#define BLOCK_CIPHER_func_cfb(cname, cprefix, kstruct, ksched) \
-static int cname##_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
+#define BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
+static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \
{\
- cprefix##_cfb64_encrypt(in, out, (long)inl, &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num, ctx->encrypt);\
+ size_t chunk=EVP_MAXCHUNK;\
+ if (cbits==1) chunk>>=3;\
+ if (inl<chunk) chunk=inl;\
+ while(inl && inl>=chunk)\
+ {\
+ cprefix##_cfb##cbits##_encrypt(in, out, (long)((cbits==1) && !(ctx->flags & EVP_CIPH_FLAG_LENGTH_BITS) ?inl*8:inl), &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num, ctx->encrypt);\
+ inl-=chunk;\
+ in +=chunk;\
+ out+=chunk;\
+ if(inl<chunk) chunk=inl;\
+ }\
return 1;\
}
-#define BLOCK_CIPHER_all_funcs(cname, cprefix, kstruct, ksched) \
+#define BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
BLOCK_CIPHER_func_cbc(cname, cprefix, kstruct, ksched) \
- BLOCK_CIPHER_func_cfb(cname, cprefix, kstruct, ksched) \
+ BLOCK_CIPHER_func_cfb(cname, cprefix, cbits, kstruct, ksched) \
BLOCK_CIPHER_func_ecb(cname, cprefix, kstruct, ksched) \
- BLOCK_CIPHER_func_ofb(cname, cprefix, kstruct, ksched)
+ BLOCK_CIPHER_func_ofb(cname, cprefix, cbits, kstruct, ksched)
#define BLOCK_CIPHER_def1(cname, nmode, mode, MODE, kstruct, nid, block_size, \
key_len, iv_len, flags, init_key, cleanup, \
BLOCK_CIPHER_def1(cname, cbc, cbc, CBC, kstruct, nid, block_size, key_len, \
iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
-#define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, block_size, key_len, \
- iv_len, flags, init_key, cleanup, set_asn1, \
- get_asn1, ctrl) \
-BLOCK_CIPHER_def1(cname, cfb64, cfb, CFB, kstruct, nid, block_size, key_len, \
- iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
+#define BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, \
+ iv_len, cbits, flags, init_key, cleanup, \
+ set_asn1, get_asn1, ctrl) \
+BLOCK_CIPHER_def1(cname, cfb##cbits, cfb##cbits, CFB, kstruct, nid, 1, \
+ key_len, iv_len, flags, init_key, cleanup, set_asn1, \
+ get_asn1, ctrl)
-#define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, block_size, key_len, \
- iv_len, flags, init_key, cleanup, set_asn1, \
- get_asn1, ctrl) \
-BLOCK_CIPHER_def1(cname, ofb64, ofb, OFB, kstruct, nid, block_size, key_len, \
- iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
+#define BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, \
+ iv_len, cbits, flags, init_key, cleanup, \
+ set_asn1, get_asn1, ctrl) \
+BLOCK_CIPHER_def1(cname, ofb##cbits, ofb, OFB, kstruct, nid, 1, \
+ key_len, iv_len, flags, init_key, cleanup, set_asn1, \
+ get_asn1, ctrl)
#define BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, \
- iv_len, flags, init_key, cleanup, set_asn1, \
+ flags, init_key, cleanup, set_asn1, \
get_asn1, ctrl) \
BLOCK_CIPHER_def1(cname, ecb, ecb, ECB, kstruct, nid, block_size, key_len, \
- iv_len, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
+ 0, flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
#define BLOCK_CIPHER_defs(cname, kstruct, \
- nid, block_size, key_len, iv_len, flags, \
+ nid, block_size, key_len, iv_len, cbits, flags, \
init_key, cleanup, set_asn1, get_asn1, ctrl) \
BLOCK_CIPHER_def_cbc(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
init_key, cleanup, set_asn1, get_asn1, ctrl) \
-BLOCK_CIPHER_def_cfb(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
- init_key, cleanup, set_asn1, get_asn1, ctrl) \
-BLOCK_CIPHER_def_ofb(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
- init_key, cleanup, set_asn1, get_asn1, ctrl) \
-BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, iv_len, flags, \
+BLOCK_CIPHER_def_cfb(cname, kstruct, nid, key_len, iv_len, cbits, \
+ flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
+BLOCK_CIPHER_def_ofb(cname, kstruct, nid, key_len, iv_len, cbits, \
+ flags, init_key, cleanup, set_asn1, get_asn1, ctrl) \
+BLOCK_CIPHER_def_ecb(cname, kstruct, nid, block_size, key_len, flags, \
init_key, cleanup, set_asn1, get_asn1, ctrl)
*/
#define IMPLEMENT_BLOCK_CIPHER(cname, ksched, cprefix, kstruct, nid, \
- block_size, key_len, iv_len, flags, init_key, \
+ block_size, key_len, iv_len, cbits, \
+ flags, init_key, \
cleanup, set_asn1, get_asn1, ctrl) \
- BLOCK_CIPHER_all_funcs(cname, cprefix, kstruct, ksched) \
+ BLOCK_CIPHER_all_funcs(cname, cprefix, cbits, kstruct, ksched) \
BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, \
- flags, init_key, cleanup, set_asn1, get_asn1, ctrl)
+ cbits, flags, init_key, cleanup, set_asn1, \
+ get_asn1, ctrl)
#define EVP_C_DATA(kstruct, ctx) ((kstruct *)(ctx)->cipher_data)
+
+#define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \
+ BLOCK_CIPHER_func_cfb(cipher##_##keysize,cprefix,cbits,kstruct,ksched) \
+ BLOCK_CIPHER_def_cfb(cipher##_##keysize,kstruct, \
+ NID_##cipher##_##keysize, keysize/8, iv_len, cbits, \
+ (fl)|EVP_CIPH_FLAG_DEFAULT_ASN1, \
+ cipher##_init_key, NULL, NULL, NULL, NULL)
+
+struct evp_pkey_ctx_st
+ {
+ /* Method associated with this operation */
+ const EVP_PKEY_METHOD *pmeth;
+ /* Engine that implements this method or NULL if builtin */
+ ENGINE *engine;
+ /* Key: may be NULL */
+ EVP_PKEY *pkey;
+ /* Peer key for key agreement, may be NULL */
+ EVP_PKEY *peerkey;
+ /* Actual operation */
+ int operation;
+ /* Algorithm specific data */
+ void *data;
+ /* Application specific data */
+ void *app_data;
+ /* Keygen callback */
+ EVP_PKEY_gen_cb *pkey_gencb;
+ /* implementation specific keygen data */
+ int *keygen_info;
+ int keygen_info_count;
+ } /* EVP_PKEY_CTX */;
+
+#define EVP_PKEY_FLAG_DYNAMIC 1
+
+struct evp_pkey_method_st
+ {
+ int pkey_id;
+ int flags;
+
+ int (*init)(EVP_PKEY_CTX *ctx);
+ int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src);
+ void (*cleanup)(EVP_PKEY_CTX *ctx);
+
+ int (*paramgen_init)(EVP_PKEY_CTX *ctx);
+ int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
+
+ int (*keygen_init)(EVP_PKEY_CTX *ctx);
+ int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey);
+
+ int (*sign_init)(EVP_PKEY_CTX *ctx);
+ int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+ const unsigned char *tbs, size_t tbslen);
+
+ int (*verify_init)(EVP_PKEY_CTX *ctx);
+ int (*verify)(EVP_PKEY_CTX *ctx,
+ const unsigned char *sig, size_t siglen,
+ const unsigned char *tbs, size_t tbslen);
+
+ int (*verify_recover_init)(EVP_PKEY_CTX *ctx);
+ int (*verify_recover)(EVP_PKEY_CTX *ctx,
+ unsigned char *rout, size_t *routlen,
+ const unsigned char *sig, size_t siglen);
+
+ int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
+ int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
+ EVP_MD_CTX *mctx);
+
+ int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx);
+ int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig,int siglen,
+ EVP_MD_CTX *mctx);
+
+ int (*encrypt_init)(EVP_PKEY_CTX *ctx);
+ int (*encrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
+ const unsigned char *in, size_t inlen);
+
+ int (*decrypt_init)(EVP_PKEY_CTX *ctx);
+ int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
+ const unsigned char *in, size_t inlen);
+
+ int (*derive_init)(EVP_PKEY_CTX *ctx);
+ int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
+
+ int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2);
+ int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value);
+
+
+ } /* EVP_PKEY_METHOD */;
+
+void evp_pkey_set_cb_translate(BN_GENCB *cb, EVP_PKEY_CTX *ctx);
+
+int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
+ ASN1_TYPE *param,
+ const EVP_CIPHER *c, const EVP_MD *md, int en_de);
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