diff options
Diffstat (limited to 'crypto/evp/evp_locl.h')
| -rw-r--r-- | crypto/evp/evp_locl.h | 171 |
1 files changed, 152 insertions, 19 deletions
diff --git a/crypto/evp/evp_locl.h b/crypto/evp/evp_locl.h index ef6c432538aa..08c0a66d39c7 100644 --- a/crypto/evp/evp_locl.h +++ b/crypto/evp/evp_locl.h @@ -61,38 +61,66 @@ /* 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) #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 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, unsigned int inl) \ +static int cname##_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ {\ - cprefix##_ofb##cbits##_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, cbits, kstruct, ksched) \ -static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl) \ +static int cname##_cfb##cbits##_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) \ {\ - 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);\ + 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;\ } @@ -226,27 +254,132 @@ const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } #define EVP_C_DATA(kstruct, ctx) ((kstruct *)(ctx)->cipher_data) -#define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len,fl) \ +#define IMPLEMENT_CFBR(cipher,cprefix,kstruct,ksched,keysize,cbits,iv_len) \ 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) + 0, cipher##_init_key, NULL, \ + EVP_CIPHER_set_asn1_iv, \ + EVP_CIPHER_get_asn1_iv, \ + 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); #ifdef OPENSSL_FIPS -#define RC2_set_key private_RC2_set_key -#define RC4_set_key private_RC4_set_key -#define CAST_set_key private_CAST_set_key -#define RC5_32_set_key private_RC5_32_set_key -#define BF_set_key private_BF_set_key -#define Camellia_set_key private_Camellia_set_key -#define idea_set_encrypt_key private_idea_set_encrypt_key +#ifdef OPENSSL_DOING_MAKEDEPEND +#undef SHA1_Init +#undef SHA1_Update +#undef SHA224_Init +#undef SHA256_Init +#undef SHA384_Init +#undef SHA512_Init +#undef DES_set_key_unchecked +#endif + +#define RIPEMD160_Init private_RIPEMD160_Init +#define WHIRLPOOL_Init private_WHIRLPOOL_Init #define MD5_Init private_MD5_Init #define MD4_Init private_MD4_Init #define MD2_Init private_MD2_Init #define MDC2_Init private_MDC2_Init #define SHA_Init private_SHA_Init +#define SHA1_Init private_SHA1_Init +#define SHA224_Init private_SHA224_Init +#define SHA256_Init private_SHA256_Init +#define SHA384_Init private_SHA384_Init +#define SHA512_Init private_SHA512_Init -#endif +#define BF_set_key private_BF_set_key +#define CAST_set_key private_CAST_set_key +#define idea_set_encrypt_key private_idea_set_encrypt_key +#define SEED_set_key private_SEED_set_key +#define RC2_set_key private_RC2_set_key +#define RC4_set_key private_RC4_set_key +#define DES_set_key_unchecked private_DES_set_key_unchecked +#define Camellia_set_key private_Camellia_set_key +#endif |