diff options
Diffstat (limited to 'crypto/evp/evp_locl.h')
| -rw-r--r-- | crypto/evp/evp_locl.h | 133 |
1 files changed, 123 insertions, 10 deletions
diff --git a/crypto/evp/evp_locl.h b/crypto/evp/evp_locl.h index 2204e345ad..4cb80fbde0 100644 --- a/crypto/evp/evp_locl.h +++ b/crypto/evp/evp_locl.h @@ -1,5 +1,5 @@ /* 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. */ /* ==================================================================== @@ -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) \ + 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)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?chunk*8:chunk), &((kstruct *)ctx->cipher_data)->ksched, ctx->iv, &ctx->num, ctx->encrypt);\ + inl-=chunk;\ + in +=chunk;\ + out+=chunk;\ + if(inl<chunk) chunk=inl;\ + }\ return 1;\ } @@ -234,3 +262,88 @@ const EVP_CIPHER *EVP_##cname##_ecb(void) { return &cname##_ecb; } 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); |