diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2000-05-30 18:26:22 +0000 |
---|---|---|
committer | Dr. Stephen Henson <steve@openssl.org> | 2000-05-30 18:26:22 +0000 |
commit | 49528751b878a8198f628dff6651e4547818a2cf (patch) | |
tree | a73b437572c1052cc8337746602b501bebdbbaee /crypto | |
parent | 547bf7f9838285a111c50959a2363221971ab863 (diff) |
More EVP cipher revision.
Change EVP_SealInit() and EVP_OpenInit() to
handle cipher parameters.
Make it possible to set RC2 and RC5 params.
Make RC2 ASN1 code use the effective key bits
and not the key length.
TODO: document how new API works.
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/evp/e_rc2.c | 88 | ||||
-rw-r--r-- | crypto/evp/e_rc5.c | 72 | ||||
-rw-r--r-- | crypto/evp/evp.h | 7 | ||||
-rw-r--r-- | crypto/evp/evp_enc.c | 33 | ||||
-rw-r--r-- | crypto/evp/evp_err.c | 6 | ||||
-rw-r--r-- | crypto/evp/p_open.c | 10 | ||||
-rw-r--r-- | crypto/evp/p_seal.c | 13 |
7 files changed, 151 insertions, 78 deletions
diff --git a/crypto/evp/e_rc2.c b/crypto/evp/e_rc2.c index 4c3bf1e649..bf1ebbf2c9 100644 --- a/crypto/evp/e_rc2.c +++ b/crypto/evp/e_rc2.c @@ -66,16 +66,19 @@ static int rc2_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key, unsigned char *iv,int enc); -static int rc2_meth_to_magic(const EVP_CIPHER *e); -static EVP_CIPHER *rc2_magic_to_meth(int i); +static int rc2_meth_to_magic(EVP_CIPHER_CTX *ctx); +static int rc2_magic_to_meth(int i); static int rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type); static int rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type); +static int rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr); IMPLEMENT_BLOCK_CIPHER(rc2, rc2.ks, RC2, rc2, NID_rc2, 8, EVP_RC2_KEY_SIZE, 8, - EVP_CIPH_VARIABLE_LENGTH, rc2_init_key, NULL, - rc2_set_asn1_type_and_iv, rc2_get_asn1_type_and_iv, NULL) + EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT, + rc2_init_key, NULL, + rc2_set_asn1_type_and_iv, rc2_get_asn1_type_and_iv, + rc2_ctrl) #define RC2_40_MAGIC 0xa0 #define RC2_64_MAGIC 0x78 @@ -85,7 +88,7 @@ static EVP_CIPHER r2_64_cbc_cipher= { NID_rc2_64_cbc, 8,8 /* 64 bit */,8, - EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH, + EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT, rc2_init_key, rc2_cbc_cipher, NULL, @@ -93,7 +96,7 @@ static EVP_CIPHER r2_64_cbc_cipher= sizeof((((EVP_CIPHER_CTX *)NULL)->c.rc2)), rc2_set_asn1_type_and_iv, rc2_get_asn1_type_and_iv, - NULL, + rc2_ctrl, NULL }; @@ -101,7 +104,7 @@ static EVP_CIPHER r2_40_cbc_cipher= { NID_rc2_40_cbc, 8,5 /* 40 bit */,8, - EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH, + EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT, rc2_init_key, rc2_cbc_cipher, NULL, @@ -109,7 +112,7 @@ static EVP_CIPHER r2_40_cbc_cipher= sizeof((((EVP_CIPHER_CTX *)NULL)->c.rc2)), rc2_set_asn1_type_and_iv, rc2_get_asn1_type_and_iv, - NULL, + rc2_ctrl, NULL }; @@ -127,30 +130,30 @@ static int rc2_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key, unsigned char *iv, int enc) { RC2_set_key(&(ctx->c.rc2.ks),EVP_CIPHER_CTX_key_length(ctx), - key,EVP_CIPHER_key_length(ctx->cipher)*8); + key,ctx->c.rc2.key_bits); return 1; } -static int rc2_meth_to_magic(const EVP_CIPHER *e) +static int rc2_meth_to_magic(EVP_CIPHER_CTX *e) { int i; - i=EVP_CIPHER_key_length(e); - if (i == 16) return(RC2_128_MAGIC); - else if (i == 8) return(RC2_64_MAGIC); - else if (i == 5) return(RC2_40_MAGIC); + EVP_CIPHER_CTX_ctrl(e, EVP_CTRL_GET_RC2_KEY_BITS, 0, &i); + if (i == 128) return(RC2_128_MAGIC); + else if (i == 64) return(RC2_64_MAGIC); + else if (i == 40) return(RC2_40_MAGIC); else return(0); } -static EVP_CIPHER *rc2_magic_to_meth(int i) +static int rc2_magic_to_meth(int i) { - if (i == RC2_128_MAGIC) return(EVP_rc2_cbc()); - else if (i == RC2_64_MAGIC) return(EVP_rc2_64_cbc()); - else if (i == RC2_40_MAGIC) return(EVP_rc2_40_cbc()); + if (i == RC2_128_MAGIC) return 128; + else if (i == RC2_64_MAGIC) return 64; + else if (i == RC2_40_MAGIC) return 40; else { EVPerr(EVP_F_RC2_MAGIC_TO_METH,EVP_R_UNSUPPORTED_KEY_SIZE); - return(NULL); + return(0); } } @@ -158,25 +161,21 @@ static int rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type) { long num=0; int i=0,l; - EVP_CIPHER *e; + int key_bits; + unsigned char iv[EVP_MAX_IV_LENGTH]; if (type != NULL) { l=EVP_CIPHER_CTX_iv_length(c); - i=ASN1_TYPE_get_int_octetstring(type,&num,c->oiv,l); + i=ASN1_TYPE_get_int_octetstring(type,&num,iv,l); if (i != l) return(-1); - else if (i > 0) - memcpy(c->iv,c->oiv,l); - e=rc2_magic_to_meth((int)num); - if (e == NULL) + key_bits =rc2_magic_to_meth((int)num); + if (!key_bits) return(-1); - if (e != EVP_CIPHER_CTX_cipher(c)) - { - EVP_CIPHER_CTX_cipher(c)=e; - EVP_CIPHER_CTX_set_key_length(c, EVP_CIPHER_key_length(c)); - rc2_init_key(c,NULL,NULL,1); - } + if(i > 0) EVP_CipherInit(c, NULL, NULL, iv, -1); + EVP_CIPHER_CTX_ctrl(c, EVP_CTRL_SET_RC2_KEY_BITS, key_bits, NULL); + EVP_CIPHER_CTX_set_key_length(c, key_bits / 8); } return(i); } @@ -188,11 +187,36 @@ static int rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type) if (type != NULL) { - num=rc2_meth_to_magic(EVP_CIPHER_CTX_cipher(c)); + num=rc2_meth_to_magic(c); j=EVP_CIPHER_CTX_iv_length(c); i=ASN1_TYPE_set_int_octetstring(type,num,c->oiv,j); } return(i); } +static int rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) + { + switch(type) { + + case EVP_CTRL_INIT: + c->c.rc2.key_bits = EVP_CIPHER_CTX_key_length(c) * 8; + return 1; + + case EVP_CTRL_GET_RC2_KEY_BITS: + *(int *)ptr = c->c.rc2.key_bits; + return 1; + + + case EVP_CTRL_SET_RC2_KEY_BITS: + if(arg > 0) { + c->c.rc2.key_bits = arg; + return 1; + } + return 0; + + default: + return -1; + } + } + #endif diff --git a/crypto/evp/e_rc5.c b/crypto/evp/e_rc5.c index 3998e0c6c8..668b21756a 100644 --- a/crypto/evp/e_rc5.c +++ b/crypto/evp/e_rc5.c @@ -66,53 +66,53 @@ static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key, unsigned char *iv,int enc); +static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr); IMPLEMENT_BLOCK_CIPHER(rc5_32_12_16, rc5.ks, RC5_32, rc5, NID_rc5, 8, EVP_RC5_32_12_16_KEY_SIZE, 8, - 0, r_32_12_16_init_key, NULL, - NULL, NULL, NULL) + EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT, + r_32_12_16_init_key, NULL, + NULL, NULL, rc5_ctrl) + -#if 0 -static int r_32_12_16_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - unsigned char *in, unsigned int inl); -static EVP_CIPHER rc5_32_12_16_cbc_cipher= - { - NID_rc5_cbc, - 8,EVP_RC5_32_12_16_KEY_SIZE,8, - EVP_CIPH_CBC_MODE, - r_32_12_16_cbc_init_key, - r_32_12_16_cbc_cipher, - NULL, - sizeof(EVP_CIPHER_CTX)-sizeof((((EVP_CIPHER_CTX *)NULL)->c))+ - sizeof((((EVP_CIPHER_CTX *)NULL)->c.rc5)), - NULL, - NULL, - NULL - }; -EVP_CIPHER *EVP_rc5_32_12_16_cbc(void) +static int rc5_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) { - return(&rc5_32_12_16_cbc_cipher); + switch(type) { + + case EVP_CTRL_INIT: + c->c.rc5.rounds = RC5_12_ROUNDS; + return 1; + + case EVP_CTRL_GET_RC5_ROUNDS: + *(int *)ptr = c->c.rc5.rounds; + return 1; + + + case EVP_CTRL_SET_RC5_ROUNDS: + switch(arg) { + case RC5_8_ROUNDS: + case RC5_12_ROUNDS: + case RC5_16_ROUNDS: + c->c.rc5.rounds = arg; + return 1; + + default: + EVPerr(EVP_F_RC5_CTRL, EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS); + return 0; + } + + default: + return -1; + } } -#endif - + static int r_32_12_16_init_key(EVP_CIPHER_CTX *ctx, unsigned char *key, unsigned char *iv, int enc) { - RC5_32_set_key(&(ctx->c.rc5.ks),EVP_RC5_32_12_16_KEY_SIZE, - key,RC5_12_ROUNDS); - return 1; - } -#if 0 -static int r_32_12_16_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - unsigned char *in, unsigned int inl) - { - RC5_32_cbc_encrypt( - in,out,(long)inl, - &(ctx->c.rc5.ks),&(ctx->iv[0]), - ctx->encrypt); + RC5_32_set_key(&(ctx->c.rc5.ks),EVP_CIPHER_CTX_key_length(ctx), + key,ctx->c.rc5.rounds); return 1; } -#endif #endif diff --git a/crypto/evp/evp.h b/crypto/evp/evp.h index abb1490b81..7db80c3d52 100644 --- a/crypto/evp/evp.h +++ b/crypto/evp/evp.h @@ -589,6 +589,7 @@ void ERR_load_EVP_strings(void ); void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a); int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a); int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen); +int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr); #ifdef HEADER_BIO_H BIO_METHOD *BIO_f_md(void); @@ -738,6 +739,7 @@ void EVP_PBE_cleanup(void); /* Function codes. */ #define EVP_F_D2I_PKEY 100 #define EVP_F_EVP_CIPHERINIT 123 +#define EVP_F_EVP_CIPHER_CTX_CTRL 124 #define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH 122 #define EVP_F_EVP_DECRYPTFINAL 101 #define EVP_F_EVP_MD_CTX_COPY 110 @@ -759,12 +761,15 @@ void EVP_PBE_cleanup(void); #define EVP_F_PKCS5_PBE_KEYIVGEN 117 #define EVP_F_PKCS5_V2_PBE_KEYIVGEN 118 #define EVP_F_RC2_MAGIC_TO_METH 109 +#define EVP_F_RC5_CTRL 125 /* Reason codes. */ #define EVP_R_BAD_DECRYPT 100 #define EVP_R_BN_DECODE_ERROR 112 #define EVP_R_BN_PUBKEY_ERROR 113 #define EVP_R_CIPHER_PARAMETER_ERROR 122 +#define EVP_R_CTRL_NOT_IMPLEMENTED 132 +#define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED 133 #define EVP_R_DECODE_ERROR 114 #define EVP_R_DIFFERENT_KEY_TYPES 101 #define EVP_R_ENCODE_ERROR 115 @@ -772,6 +777,7 @@ void EVP_PBE_cleanup(void); #define EVP_R_EXPECTING_AN_RSA_KEY 127 #define EVP_R_EXPECTING_A_DH_KEY 128 #define EVP_R_EXPECTING_A_DSA_KEY 129 +#define EVP_R_INITIALIZATION_ERROR 134 #define EVP_R_INPUT_NOT_INITIALIZED 111 #define EVP_R_INVALID_KEY_LENGTH 130 #define EVP_R_IV_TOO_LARGE 102 @@ -784,6 +790,7 @@ void EVP_PBE_cleanup(void); #define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE 117 #define EVP_R_PUBLIC_KEY_NOT_RSA 106 #define EVP_R_UNKNOWN_PBE_ALGORITHM 121 +#define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS 135 #define EVP_R_UNSUPPORTED_CIPHER 107 #define EVP_R_UNSUPPORTED_KEYLENGTH 123 #define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION 124 diff --git a/crypto/evp/evp_enc.c b/crypto/evp/evp_enc.c index 4bf3a565a7..e2687f9879 100644 --- a/crypto/evp/evp_enc.c +++ b/crypto/evp/evp_enc.c @@ -73,10 +73,16 @@ void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *ctx) int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, unsigned char *key, unsigned char *iv, int enc) { - if(enc) enc = 1; + if(enc && (enc != -1)) enc = 1; if (cipher) { ctx->cipher=cipher; ctx->key_len = cipher->key_len; + if(ctx->cipher->flags & EVP_CIPH_CTRL_INIT) { + if(!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_INIT, 0, NULL)) { + EVPerr(EVP_F_EVP_CIPHERINIT, EVP_R_INITIALIZATION_ERROR); + return 0; + } + } } else if(!ctx->cipher) { EVPerr(EVP_F_EVP_CIPHERINIT, EVP_R_NO_CIPHER_SET); return 0; @@ -108,7 +114,7 @@ int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, if(key || (ctx->cipher->flags & EVP_CIPH_ALWAYS_CALL_INIT)) { if(!ctx->cipher->init(ctx,key,iv,enc)) return 0; } - ctx->encrypt=enc; + if(enc != -1) ctx->encrypt=enc; ctx->buf_len=0; return 1; } @@ -301,6 +307,8 @@ int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *c) int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *c, int keylen) { + if(c->cipher->flags & EVP_CIPH_CUSTOM_KEY_LENGTH) + return EVP_CIPHER_CTX_ctrl(c, EVP_CTRL_SET_KEY_LENGTH, keylen, NULL); if(c->key_len == keylen) return 1; if((keylen > 0) && (c->cipher->flags & EVP_CIPH_VARIABLE_LENGTH)) { @@ -310,3 +318,24 @@ int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *c, int keylen) EVPerr(EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH,EVP_R_INVALID_KEY_LENGTH); return 0; } + +int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr) +{ + int ret; + if(!ctx->cipher) { + EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_NO_CIPHER_SET); + return 0; + } + + if(!ctx->cipher->ctrl) { + EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_CTRL_NOT_IMPLEMENTED); + return 0; + } + + ret = ctx->cipher->ctrl(ctx, type, arg, ptr); + if(ret == -1) { + EVPerr(EVP_F_EVP_CIPHER_CTX_CTRL, EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED); + return 0; + } + return ret; +} diff --git a/crypto/evp/evp_err.c b/crypto/evp/evp_err.c index d48d9442b2..a01412a07c 100644 --- a/crypto/evp/evp_err.c +++ b/crypto/evp/evp_err.c @@ -68,6 +68,7 @@ static ERR_STRING_DATA EVP_str_functs[]= { {ERR_PACK(0,EVP_F_D2I_PKEY,0), "D2I_PKEY"}, {ERR_PACK(0,EVP_F_EVP_CIPHERINIT,0), "EVP_CipherInit"}, +{ERR_PACK(0,EVP_F_EVP_CIPHER_CTX_CTRL,0), "EVP_CIPHER_CTX_ctrl"}, {ERR_PACK(0,EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH,0), "EVP_CIPHER_CTX_set_key_length"}, {ERR_PACK(0,EVP_F_EVP_DECRYPTFINAL,0), "EVP_DecryptFinal"}, {ERR_PACK(0,EVP_F_EVP_MD_CTX_COPY,0), "EVP_MD_CTX_copy"}, @@ -89,6 +90,7 @@ static ERR_STRING_DATA EVP_str_functs[]= {ERR_PACK(0,EVP_F_PKCS5_PBE_KEYIVGEN,0), "PKCS5_PBE_keyivgen"}, {ERR_PACK(0,EVP_F_PKCS5_V2_PBE_KEYIVGEN,0), "PKCS5_v2_PBE_keyivgen"}, {ERR_PACK(0,EVP_F_RC2_MAGIC_TO_METH,0), "RC2_MAGIC_TO_METH"}, +{ERR_PACK(0,EVP_F_RC5_CTRL,0), "RC5_CTRL"}, {0,NULL} }; @@ -98,6 +100,8 @@ static ERR_STRING_DATA EVP_str_reasons[]= {EVP_R_BN_DECODE_ERROR ,"bn decode error"}, {EVP_R_BN_PUBKEY_ERROR ,"bn pubkey error"}, {EVP_R_CIPHER_PARAMETER_ERROR ,"cipher parameter error"}, +{EVP_R_CTRL_NOT_IMPLEMENTED ,"ctrl not implemented"}, +{EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED ,"ctrl operation not implemented"}, {EVP_R_DECODE_ERROR ,"decode error"}, {EVP_R_DIFFERENT_KEY_TYPES ,"different key types"}, {EVP_R_ENCODE_ERROR ,"encode error"}, @@ -105,6 +109,7 @@ static ERR_STRING_DATA EVP_str_reasons[]= {EVP_R_EXPECTING_AN_RSA_KEY ,"expecting an rsa key"}, {EVP_R_EXPECTING_A_DH_KEY ,"expecting a dh key"}, {EVP_R_EXPECTING_A_DSA_KEY ,"expecting a dsa key"}, +{EVP_R_INITIALIZATION_ERROR ,"initialization error"}, {EVP_R_INPUT_NOT_INITIALIZED ,"input not initialized"}, {EVP_R_INVALID_KEY_LENGTH ,"invalid key length"}, {EVP_R_IV_TOO_LARGE ,"iv too large"}, @@ -117,6 +122,7 @@ static ERR_STRING_DATA EVP_str_reasons[]= {EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE ,"pkcs8 unknown broken type"}, {EVP_R_PUBLIC_KEY_NOT_RSA ,"public key not rsa"}, {EVP_R_UNKNOWN_PBE_ALGORITHM ,"unknown pbe algorithm"}, +{EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS ,"unsuported number of rounds"}, {EVP_R_UNSUPPORTED_CIPHER ,"unsupported cipher"}, {EVP_R_UNSUPPORTED_KEYLENGTH ,"unsupported keylength"}, {EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION,"unsupported key derivation function"}, diff --git a/crypto/evp/p_open.c b/crypto/evp/p_open.c index b9ca7892c2..6dbccceafa 100644 --- a/crypto/evp/p_open.c +++ b/crypto/evp/p_open.c @@ -76,6 +76,11 @@ int EVP_OpenInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char *ek, goto err; } + if(type) { + EVP_CIPHER_CTX_init(ctx); + EVP_DecryptInit(ctx,type,NULL,NULL); + } + size=RSA_size(priv->pkey.rsa); key=(unsigned char *)Malloc(size+2); if (key == NULL) @@ -87,14 +92,13 @@ int EVP_OpenInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char *ek, } i=EVP_PKEY_decrypt(key,ek,ekl,priv); - if (i != type->key_len) + if ((i <= 0) || !EVP_CIPHER_CTX_set_key_length(ctx, i)) { /* ERROR */ goto err; } + if(!EVP_DecryptInit(ctx,NULL,key,iv)) goto err; - EVP_CIPHER_CTX_init(ctx); - EVP_DecryptInit(ctx,type,key,iv); ret=1; err: if (key != NULL) memset(key,0,size); diff --git a/crypto/evp/p_seal.c b/crypto/evp/p_seal.c index d449e892bf..47efc0d3d8 100644 --- a/crypto/evp/p_seal.c +++ b/crypto/evp/p_seal.c @@ -73,17 +73,20 @@ int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek, int i; if (npubk <= 0) return(0); + if(type) { + EVP_CIPHER_CTX_init(ctx); + EVP_EncryptInit(ctx,type,NULL,NULL); + } if (RAND_bytes(key,EVP_MAX_KEY_LENGTH) <= 0) return(0); - if (type->iv_len > 0) - RAND_pseudo_bytes(iv,type->iv_len); + if (EVP_CIPHER_CTX_iv_length(ctx)) + RAND_pseudo_bytes(iv,EVP_CIPHER_CTX_iv_length(ctx)); - EVP_CIPHER_CTX_init(ctx); - EVP_EncryptInit(ctx,type,key,iv); + if(!EVP_EncryptInit(ctx,NULL,key,iv)) return 0; for (i=0; i<npubk; i++) { - ekl[i]=EVP_PKEY_encrypt(ek[i],key,EVP_CIPHER_key_length(type), + ekl[i]=EVP_PKEY_encrypt(ek[i],key,EVP_CIPHER_CTX_key_length(ctx), pubk[i]); if (ekl[i] <= 0) return(-1); } |