Constify d2i, s2i, c2i and r2i functions and other associated

[openssl.git] / crypto / evp / evp.h

diff --git a/crypto/evp/evp.h b/crypto/evp/evp.h
index 8bb0782472486a8519dc7da1f9a64773f71ede37..ce5c210f61bfa9308fd2e4238ba38c11cbda74a8 100644 (file)
--- a/crypto/evp/evp.h
+++ b/crypto/evp/evp.h
@@ -96,13 +96,13 @@
 #define EVP_PK_RSA     0x0001
 #define EVP_PK_DSA     0x0002
 #define EVP_PK_DH      0x0004
-#define EVP_PK_ECDSA   0x0008
+#define EVP_PK_EC      0x0008
 #define EVP_PKT_SIGN   0x0010
 #define EVP_PKT_ENC    0x0020
 #define EVP_PKT_EXCH   0x0040
 #define EVP_PKS_RSA    0x0100
 #define EVP_PKS_DSA    0x0200
-#define EVP_PKS_ECDSA  0x0400
+#define EVP_PKS_EC     0x0400
 #define EVP_PKT_EXP    0x1000 /* <= 512 bit key */
 
 #define EVP_PKEY_NONE  NID_undef
@@ -114,7 +114,7 @@
 #define EVP_PKEY_DSA3  NID_dsaWithSHA1
 #define EVP_PKEY_DSA4  NID_dsaWithSHA1_2
 #define EVP_PKEY_DH    NID_dhKeyAgreement
-#define EVP_PKEY_ECDSA NID_X9_62_id_ecPublicKey
+#define EVP_PKEY_EC    NID_X9_62_id_ecPublicKey
 
 #ifdef __cplusplus
 extern "C" {
@@ -139,8 +139,8 @@ struct evp_pkey_st
 #ifndef OPENSSL_NO_DH
                struct dh_st *dh;       /* DH */
 #endif
-#ifndef OPENSSL_NO_ECDSA
-               struct ecdsa_st *ecdsa; /* ECDSA */
+#ifndef OPENSSL_NO_EC
+               struct ec_key_st *eckey;/* ECC */
 #endif
                } pkey;
        int save_parameters;
@@ -255,7 +255,7 @@ struct env_md_st
 
 #ifndef OPENSSL_NO_ECDSA
 #define EVP_PKEY_ECDSA_method   ECDSA_sign,ECDSA_verify, \
-                                 {EVP_PKEY_ECDSA,0,0,0}
+                                 {EVP_PKEY_EC,0,0,0}
 #else   
 #define EVP_PKEY_ECDSA_method   EVP_PKEY_NULL_method
 #endif
@@ -288,6 +288,8 @@ struct env_md_ctx_st
                                                * once only */
 #define EVP_MD_CTX_FLAG_CLEANED                0x0002 /* context has already been
                                                * cleaned */
+#define EVP_MD_CTX_FLAG_REUSE          0x0004 /* Don't free up ctx->md_data
+                                               * in EVP_MD_CTX_cleanup */
 
 struct evp_cipher_st
        {
@@ -400,9 +402,9 @@ typedef int (EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
                                        (char *)(dh))
 #endif
 
-#ifndef OPENSSL_NO_ECDSA
-#define EVP_PKEY_assign_ECDSA(pkey,ecdsa) EVP_PKEY_assign((pkey),EVP_PKEY_ECDSA,\
-                                        (char *)(ecdsa))
+#ifndef OPENSSL_NO_EC
+#define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
+                                        (char *)(eckey))
 #endif
 
 /* Add some extra combinations */
@@ -487,7 +489,7 @@ int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
 int    EVP_DigestUpdate(EVP_MD_CTX *ctx,const void *d,
                         unsigned int cnt);
 int    EVP_DigestFinal_ex(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
-int    EVP_Digest(void *data, unsigned int count,
+int    EVP_Digest(const void *data, unsigned int count,
                unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl);
 
 int     EVP_MD_CTX_copy(EVP_MD_CTX *out,const EVP_MD_CTX *in);  
@@ -495,7 +497,7 @@ int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
 int    EVP_DigestFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s);
 
 int    EVP_read_pw_string(char *buf,int length,const char *prompt,int verify);
-void   EVP_set_pw_prompt(char *prompt);
+void   EVP_set_pw_prompt(const char *prompt);
 char * EVP_get_pw_prompt(void);
 
 int    EVP_BytesToKey(const EVP_CIPHER *type,const EVP_MD *md,
@@ -534,26 +536,28 @@ int       EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
 int    EVP_SignFinal(EVP_MD_CTX *ctx,unsigned char *md,unsigned int *s,
                EVP_PKEY *pkey);
 
-int    EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf,
+int    EVP_VerifyFinal(EVP_MD_CTX *ctx,const unsigned char *sigbuf,
                unsigned int siglen,EVP_PKEY *pkey);
 
-int    EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,unsigned char *ek,
-               int ekl,unsigned char *iv,EVP_PKEY *priv);
+int    EVP_OpenInit(EVP_CIPHER_CTX *ctx,const EVP_CIPHER *type,
+               const unsigned char *ek, int ekl, const unsigned char *iv,
+               EVP_PKEY *priv);
 int    EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
 
-int    EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, unsigned char **ek,
-               int *ekl, unsigned char *iv,EVP_PKEY **pubk, int npubk);
+int    EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
+                unsigned char **ek, int *ekl, unsigned char *iv,
+               EVP_PKEY **pubk, int npubk);
 int    EVP_SealFinal(EVP_CIPHER_CTX *ctx,unsigned char *out,int *outl);
 
 void   EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
-void   EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,
-               int *outl,unsigned char *in,int inl);
+void   EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
+               const unsigned char *in,int inl);
 void   EVP_EncodeFinal(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl);
 int    EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
 
 void   EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
 int    EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx,unsigned char *out,int *outl,
-               unsigned char *in, int inl);
+               const unsigned char *in, int inl);
 int    EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
                char *out, int *outl);
 int    EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
@@ -569,8 +573,8 @@ BIO_METHOD *BIO_f_md(void);
 BIO_METHOD *BIO_f_base64(void);
 BIO_METHOD *BIO_f_cipher(void);
 BIO_METHOD *BIO_f_reliable(void);
-void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,unsigned char *k,
-       unsigned char *i, int enc);
+void BIO_set_cipher(BIO *b,const EVP_CIPHER *c,const unsigned char *k,
+               const unsigned char *i, int enc);
 #endif
 
 const EVP_MD *EVP_md_null(void);
@@ -603,9 +607,20 @@ const EVP_CIPHER *EVP_des_ede(void);
 const EVP_CIPHER *EVP_des_ede3(void);
 const EVP_CIPHER *EVP_des_ede_ecb(void);
 const EVP_CIPHER *EVP_des_ede3_ecb(void);
-const EVP_CIPHER *EVP_des_cfb(void);
-const EVP_CIPHER *EVP_des_ede_cfb(void);
-const EVP_CIPHER *EVP_des_ede3_cfb(void);
+const EVP_CIPHER *EVP_des_cfb64(void);
+# define EVP_des_cfb EVP_des_cfb64
+const EVP_CIPHER *EVP_des_cfb1(void);
+const EVP_CIPHER *EVP_des_cfb8(void);
+const EVP_CIPHER *EVP_des_ede_cfb64(void);
+# define EVP_des_ede_cfb EVP_des_ede_cfb64
+#if 0
+const EVP_CIPHER *EVP_des_ede_cfb1(void);
+const EVP_CIPHER *EVP_des_ede_cfb8(void);
+#endif
+const EVP_CIPHER *EVP_des_ede3_cfb64(void);
+# define EVP_des_ede3_cfb EVP_des_ede3_cfb64
+const EVP_CIPHER *EVP_des_ede3_cfb1(void);
+const EVP_CIPHER *EVP_des_ede3_cfb8(void);
 const EVP_CIPHER *EVP_des_ofb(void);
 const EVP_CIPHER *EVP_des_ede_ofb(void);
 const EVP_CIPHER *EVP_des_ede3_ofb(void);
@@ -629,7 +644,8 @@ const EVP_CIPHER *EVP_rc4_40(void);
 #endif
 #ifndef OPENSSL_NO_IDEA
 const EVP_CIPHER *EVP_idea_ecb(void);
-const EVP_CIPHER *EVP_idea_cfb(void);
+const EVP_CIPHER *EVP_idea_cfb64(void);
+# define EVP_idea_cfb EVP_idea_cfb64
 const EVP_CIPHER *EVP_idea_ofb(void);
 const EVP_CIPHER *EVP_idea_cbc(void);
 #endif
@@ -638,45 +654,58 @@ const EVP_CIPHER *EVP_rc2_ecb(void);
 const EVP_CIPHER *EVP_rc2_cbc(void);
 const EVP_CIPHER *EVP_rc2_40_cbc(void);
 const EVP_CIPHER *EVP_rc2_64_cbc(void);
-const EVP_CIPHER *EVP_rc2_cfb(void);
+const EVP_CIPHER *EVP_rc2_cfb64(void);
+# define EVP_rc2_cfb EVP_rc2_cfb64
 const EVP_CIPHER *EVP_rc2_ofb(void);
 #endif
 #ifndef OPENSSL_NO_BF
 const EVP_CIPHER *EVP_bf_ecb(void);
 const EVP_CIPHER *EVP_bf_cbc(void);
-const EVP_CIPHER *EVP_bf_cfb(void);
+const EVP_CIPHER *EVP_bf_cfb64(void);
+# define EVP_bf_cfb EVP_bf_cfb64
 const EVP_CIPHER *EVP_bf_ofb(void);
 #endif
 #ifndef OPENSSL_NO_CAST
 const EVP_CIPHER *EVP_cast5_ecb(void);
 const EVP_CIPHER *EVP_cast5_cbc(void);
-const EVP_CIPHER *EVP_cast5_cfb(void);
+const EVP_CIPHER *EVP_cast5_cfb64(void);
+# define EVP_cast5_cfb EVP_cast5_cfb64
 const EVP_CIPHER *EVP_cast5_ofb(void);
 #endif
 #ifndef OPENSSL_NO_RC5
 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
-const EVP_CIPHER *EVP_rc5_32_12_16_cfb(void);
+const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
+# define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
 #endif
 #ifndef OPENSSL_NO_AES
 const EVP_CIPHER *EVP_aes_128_ecb(void);
 const EVP_CIPHER *EVP_aes_128_cbc(void);
-const EVP_CIPHER *EVP_aes_128_cfb(void);
+const EVP_CIPHER *EVP_aes_128_cfb1(void);
+const EVP_CIPHER *EVP_aes_128_cfb8(void);
+const EVP_CIPHER *EVP_aes_128_cfb128(void);
+# define EVP_aes_128_cfb EVP_aes_128_cfb128
 const EVP_CIPHER *EVP_aes_128_ofb(void);
 #if 0
 const EVP_CIPHER *EVP_aes_128_ctr(void);
 #endif
 const EVP_CIPHER *EVP_aes_192_ecb(void);
 const EVP_CIPHER *EVP_aes_192_cbc(void);
-const EVP_CIPHER *EVP_aes_192_cfb(void);
+const EVP_CIPHER *EVP_aes_192_cfb1(void);
+const EVP_CIPHER *EVP_aes_192_cfb8(void);
+const EVP_CIPHER *EVP_aes_192_cfb128(void);
+# define EVP_aes_192_cfb EVP_aes_192_cfb128
 const EVP_CIPHER *EVP_aes_192_ofb(void);
 #if 0
 const EVP_CIPHER *EVP_aes_192_ctr(void);
 #endif
 const EVP_CIPHER *EVP_aes_256_ecb(void);
 const EVP_CIPHER *EVP_aes_256_cbc(void);
-const EVP_CIPHER *EVP_aes_256_cfb(void);
+const EVP_CIPHER *EVP_aes_256_cfb1(void);
+const EVP_CIPHER *EVP_aes_256_cfb8(void);
+const EVP_CIPHER *EVP_aes_256_cfb128(void);
+# define EVP_aes_256_cfb EVP_aes_256_cfb128
 const EVP_CIPHER *EVP_aes_256_ofb(void);
 #if 0
 const EVP_CIPHER *EVP_aes_256_ctr(void);
@@ -707,10 +736,12 @@ const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
 const EVP_MD *EVP_get_digestbyname(const char *name);
 void EVP_cleanup(void);
 
-int            EVP_PKEY_decrypt(unsigned char *dec_key,unsigned char *enc_key,
-                       int enc_key_len,EVP_PKEY *private_key);
+int            EVP_PKEY_decrypt(unsigned char *dec_key,
+                       const unsigned char *enc_key,int enc_key_len,
+                       EVP_PKEY *private_key);
 int            EVP_PKEY_encrypt(unsigned char *enc_key,
-                       unsigned char *key,int key_len,EVP_PKEY *pub_key);
+                       const unsigned char *key,int key_len,
+                       EVP_PKEY *pub_key);
 int            EVP_PKEY_type(int type);
 int            EVP_PKEY_bits(EVP_PKEY *pkey);
 int            EVP_PKEY_size(EVP_PKEY *pkey);
@@ -731,28 +762,30 @@ struct dh_st;
 int EVP_PKEY_set1_DH(EVP_PKEY *pkey,struct dh_st *key);
 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
 #endif
-#ifndef OPENSSL_NO_ECDSA
-struct ecdsa_st;
-int EVP_PKEY_set1_ECDSA(EVP_PKEY *pkey,struct ecdsa_st *key);
-struct ecdsa_st *EVP_PKEY_get1_ECDSA(EVP_PKEY *pkey);
+#ifndef OPENSSL_NO_EC
+struct ec_key_st;
+int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey,struct ec_key_st *key);
+struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
 #endif
 
 EVP_PKEY *     EVP_PKEY_new(void);
 void           EVP_PKEY_free(EVP_PKEY *pkey);
-EVP_PKEY *     d2i_PublicKey(int type,EVP_PKEY **a, unsigned char **pp,
+EVP_PKEY *     d2i_PublicKey(int type,EVP_PKEY **a, const unsigned char **pp,
                        long length);
 int            i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
 
-EVP_PKEY *     d2i_PrivateKey(int type,EVP_PKEY **a, unsigned char **pp,
+EVP_PKEY *     d2i_PrivateKey(int type,EVP_PKEY **a, const unsigned char **pp,
                        long length);
-EVP_PKEY *     d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
+EVP_PKEY *     d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
                        long length);
 int            i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
 
-int EVP_PKEY_copy_parameters(EVP_PKEY *to,EVP_PKEY *from);
-int EVP_PKEY_missing_parameters(EVP_PKEY *pkey);
+int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
+int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
 int EVP_PKEY_save_parameters(EVP_PKEY *pkey,int mode);
-int EVP_PKEY_cmp_parameters(EVP_PKEY *a,EVP_PKEY *b);
+int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
+
+int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
 
 int EVP_CIPHER_type(const EVP_CIPHER *ctx);
 
@@ -769,7 +802,7 @@ int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
                         ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
                         int en_de);
 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
-                          unsigned char *salt, int saltlen, int iter,
+                          const unsigned char *salt, int saltlen, int iter,
                           int keylen, unsigned char *out);
 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
                         ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md,
@@ -792,8 +825,10 @@ void ERR_load_EVP_strings(void);
 /* Error codes for the EVP functions. */
 
 /* Function codes. */
+#define EVP_F_AES_INIT_KEY                              133
 #define EVP_F_D2I_PKEY                                  100
 #define EVP_F_ECDSA_PKEY2PKCS8                          129
+#define EVP_F_EC_KEY_PKEY2PKCS8                                 132
 #define EVP_F_EVP_CIPHERINIT                            123
 #define EVP_F_EVP_CIPHER_CTX_CTRL                       124
 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH             122
@@ -813,6 +848,7 @@ void ERR_load_EVP_strings(void);
 #define EVP_F_EVP_PKEY_GET1_DH                          119
 #define EVP_F_EVP_PKEY_GET1_DSA                                 120
 #define EVP_F_EVP_PKEY_GET1_ECDSA                       130
+#define EVP_F_EVP_PKEY_GET1_EC_KEY                      131
 #define EVP_F_EVP_PKEY_GET1_RSA                                 121
 #define EVP_F_EVP_PKEY_NEW                              106
 #define EVP_F_EVP_RIJNDAEL                              126
@@ -824,6 +860,7 @@ void ERR_load_EVP_strings(void);
 #define EVP_F_RC5_CTRL                                  125
 
 /* Reason codes. */
+#define EVP_R_AES_KEY_SETUP_FAILED                      143
 #define EVP_R_ASN1_LIB                                  140
 #define EVP_R_BAD_BLOCK_LENGTH                          136
 #define EVP_R_BAD_DECRYPT                               100
@@ -842,6 +879,7 @@ void ERR_load_EVP_strings(void);
 #define EVP_R_EXPECTING_A_DH_KEY                        128
 #define EVP_R_EXPECTING_A_DSA_KEY                       129
 #define EVP_R_EXPECTING_A_ECDSA_KEY                     141
+#define EVP_R_EXPECTING_A_EC_KEY                        142
 #define EVP_R_INITIALIZATION_ERROR                      134
 #define EVP_R_INPUT_NOT_INITIALIZED                     111
 #define EVP_R_INVALID_KEY_LENGTH                        130