/* evp_locl.h */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 2000.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2000.
*/
/* ====================================================================
* Copyright (c) 1999 The OpenSSL Project. All rights reserved.
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
*
*/
-/* Macros to code block cipher wrappers */
+/* EVP_MD_CTX related stuff */
-/* Wrapper functions for each cipher mode */
+struct evp_md_ctx_st {
+ const EVP_MD *digest;
+ ENGINE *engine; /* functional reference if 'digest' is
+ * ENGINE-provided */
+ unsigned long flags;
+ void *md_data;
+ /* Public key context for sign/verify */
+ EVP_PKEY_CTX *pctx;
+ /* Update function: usually copied from EVP_MD */
+ int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
+} /* EVP_MD_CTX */ ;
-#define BLOCK_CIPHER_ecb_loop() \
- unsigned int i; \
- if(inl < 8) return 1;\
- inl -= 8; \
- for(i=0; i <= inl; i+=8) \
+struct evp_cipher_ctx_st {
+ const EVP_CIPHER *cipher;
+ ENGINE *engine; /* functional reference if 'cipher' is
+ * ENGINE-provided */
+ int encrypt; /* encrypt or decrypt */
+ int buf_len; /* number we have left */
+ unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
+ unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
+ unsigned char buf[EVP_MAX_BLOCK_LENGTH]; /* saved partial block */
+ int num; /* used by cfb/ofb/ctr mode */
+ /* FIXME: Should this even exist? It appears unused */
+ void *app_data; /* application stuff */
+ int key_len; /* May change for variable length cipher */
+ unsigned long flags; /* Various flags */
+ void *cipher_data; /* per EVP data */
+ int final_used;
+ int block_mask;
+ unsigned char final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */
+} /* EVP_CIPHER_CTX */ ;
-#define BLOCK_CIPHER_func_ecb(cname, cprefix, kname) \
-static int cname##_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
-{\
- BLOCK_CIPHER_ecb_loop() \
- cprefix##_ecb_encrypt(in + i, out + i, &ctx->c.##kname, ctx->encrypt);\
- return 1;\
-}
+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);
-#define BLOCK_CIPHER_func_ofb(cname, cprefix, kname) \
-static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
-{\
- cprefix##_ofb64_encrypt(in, out, (long)inl, &ctx->c.##kname, ctx->iv, &ctx->num);\
- return 1;\
-}
-
-#define BLOCK_CIPHER_func_cbc(cname, cprefix, kname) \
-static int cname##_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
-{\
- cprefix##_cbc_encrypt(in, out, (long)inl, &ctx->c.##kname, ctx->iv, ctx->encrypt);\
- return 1;\
-}
-
-#define BLOCK_CIPHER_func_cfb(cname, cprefix, kname) \
-static int cname##_cfb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \
-{\
- cprefix##_cfb64_encrypt(in, out, (long)inl, &ctx->c.##kname, ctx->iv, &ctx->num, ctx->encrypt);\
- return 1;\
-}
-
-#define BLOCK_CIPHER_all_funcs(cname, cprefix, kname) \
- BLOCK_CIPHER_func_cbc(cname, cprefix, kname) \
- BLOCK_CIPHER_func_cfb(cname, cprefix, kname) \
- BLOCK_CIPHER_func_ecb(cname, cprefix, kname) \
- BLOCK_CIPHER_func_ofb(cname, cprefix, kname)
-
-#define BLOCK_CIPHER_defs(cname, kstruct, \
- nid, block_size, key_len, iv_len, flags,\
- init_key, cleanup, set_asn1, get_asn1, ctrl)\
-static EVP_CIPHER cname##_cbc = {\
- nid##_cbc, block_size, key_len, iv_len, \
- flags | EVP_CIPH_CBC_MODE,\
- init_key,\
- cname##_cbc_cipher,\
- cleanup,\
- sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
- sizeof((((EVP_CIPHER_CTX *)NULL)->c.##kstruct)),\
- set_asn1, get_asn1,\
- ctrl, \
- NULL \
-};\
-EVP_CIPHER *EVP_##cname##_cbc(void) { return &cname##_cbc; }\
-static EVP_CIPHER cname##_cfb = {\
- nid##_cfb64, 1, key_len, iv_len, \
- flags | EVP_CIPH_CFB_MODE,\
- init_key,\
- cname##_cfb_cipher,\
- cleanup,\
- sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
- sizeof((((EVP_CIPHER_CTX *)NULL)->c.##kstruct)),\
- set_asn1, get_asn1,\
- ctrl,\
- NULL \
-};\
-EVP_CIPHER *EVP_##cname##_cfb(void) { return &cname##_cfb; }\
-static EVP_CIPHER cname##_ofb = {\
- nid##_ofb64, 1, key_len, iv_len, \
- flags | EVP_CIPH_OFB_MODE,\
- init_key,\
- cname##_ofb_cipher,\
- cleanup,\
- sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
- sizeof((((EVP_CIPHER_CTX *)NULL)->c.##kstruct)),\
- set_asn1, get_asn1,\
- ctrl,\
- NULL \
-};\
-EVP_CIPHER *EVP_##cname##_ofb(void) { return &cname##_ofb; }\
-static EVP_CIPHER cname##_ecb = {\
- nid##_ecb, block_size, key_len, iv_len, \
- flags | EVP_CIPH_ECB_MODE,\
- init_key,\
- cname##_ecb_cipher,\
- cleanup,\
- sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+\
- sizeof((((EVP_CIPHER_CTX *)NULL)->c.##kstruct)),\
- set_asn1, get_asn1,\
- ctrl,\
- NULL \
-};\
-EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; }
-
-
-
-#define IMPLEMENT_BLOCK_CIPHER(cname, kname, cprefix, kstruct, \
- nid, block_size, key_len, iv_len, flags, \
- init_key, cleanup, set_asn1, get_asn1, ctrl) \
- BLOCK_CIPHER_all_funcs(cname, cprefix, kname) \
- BLOCK_CIPHER_defs(cname, kstruct, nid, block_size, key_len, iv_len, flags,\
- init_key, cleanup, set_asn1, get_asn1, ctrl)
+struct evp_Encode_Ctx_st {
+ /* number saved in a partial encode/decode */
+ int num;
+ /*
+ * The length is either the output line length (in input bytes) or the
+ * shortest input line length that is ok. Once decoding begins, the
+ * length is adjusted up each time a longer line is decoded
+ */
+ int length;
+ /* data to encode */
+ unsigned char enc_data[80];
+ /* number read on current line */
+ int line_num;
+ int expect_nl;
+};
+typedef struct evp_pbe_st EVP_PBE_CTL;
+DEFINE_STACK_OF(EVP_PBE_CTL)
projects / openssl.git / blobdiff