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#include "openssl.h"
int boot_cipher()
{
SSLeay_add_all_ciphers();
return(1);
}
MODULE = OpenSSL::Cipher PACKAGE = OpenSSL::Cipher PREFIX = p5_EVP_C_
PROTOTYPES: ENABLE
VERSIONCHECK: DISABLE
void
p5_EVP_C_new(...)
PREINIT:
EVP_CIPHER_CTX *ctx;
const EVP_CIPHER *c;
char *name;
PPCODE:
if ((items == 1) && SvPOK(ST(0)))
name=SvPV_nolen(ST(0));
else if ((items == 2) && SvPOK(ST(1)))
name=SvPV_nolen(ST(1));
else
croak("Usage: OpenSSL::Cipher::new(type)");
PUSHs(sv_newmortal());
c=EVP_get_cipherbyname(name);
if (c != NULL)
{
ctx=malloc(sizeof(EVP_CIPHER_CTX));
EVP_EncryptInit(ctx,c,NULL,NULL);
sv_setref_pv(ST(0), "OpenSSL::Cipher", (void*)ctx);
}
datum
p5_EVP_C_name(ctx)
EVP_CIPHER_CTX *ctx
CODE:
RETVAL.dptr=OBJ_nid2ln(EVP_CIPHER_CTX_nid(ctx));
RETVAL.dsize=strlen(RETVAL.dptr);
OUTPUT:
RETVAL
int
p5_EVP_C_key_length(ctx)
EVP_CIPHER_CTX *ctx
CODE:
RETVAL=EVP_CIPHER_CTX_key_length(ctx);
OUTPUT:
RETVAL
int
p5_EVP_C_iv_length(ctx)
EVP_CIPHER_CTX *ctx
CODE:
RETVAL=EVP_CIPHER_CTX_iv_length(ctx);
OUTPUT:
RETVAL
int
p5_EVP_C_block_size(ctx)
EVP_CIPHER_CTX *ctx
CODE:
RETVAL=EVP_CIPHER_CTX_block_size(ctx);
OUTPUT:
RETVAL
void
p5_EVP_C_init(ctx,key,iv,enc)
EVP_CIPHER_CTX *ctx
datum key
datum iv
int enc
PREINIT:
char loc_iv[EVP_MAX_IV_LENGTH];
char loc_key[EVP_MAX_KEY_LENGTH];
char *ip=loc_iv,*kp=loc_key;
int i;
memset(loc_iv,0,EVP_MAX_IV_LENGTH);
memset(loc_key,0,EVP_MAX_KEY_LENGTH);
CODE:
i=key.dsize;
if (key.dsize > EVP_CIPHER_CTX_key_length(ctx))
i=EVP_CIPHER_CTX_key_length(ctx);
if (i > 0)
{
memset(kp,0,EVP_MAX_KEY_LENGTH);
memcpy(kp,key.dptr,i);
}
else
kp=NULL;
i=iv.dsize;
if (iv.dsize > EVP_CIPHER_CTX_iv_length(ctx))
i=EVP_CIPHER_CTX_iv_length(ctx);
if (i > 0)
{
memcpy(ip,iv.dptr,i);
memset(ip,0,EVP_MAX_IV_LENGTH);
}
else
ip=NULL;
EVP_CipherInit(ctx,EVP_CIPHER_CTX_cipher(ctx),kp,ip,enc);
memset(loc_key,0,sizeof(loc_key));
memset(loc_iv,0,sizeof(loc_iv));
SV *
p5_EVP_C_cipher(ctx,in)
EVP_CIPHER_CTX *ctx;
datum in;
CODE:
RETVAL=newSVpv("",0);
SvGROW(RETVAL,in.dsize+EVP_CIPHER_CTX_block_size(ctx)+1);
EVP_Cipher(ctx,SvPV_nolen(RETVAL),in.dptr,in.dsize);
SvCUR_set(RETVAL,in.dsize);
OUTPUT:
RETVAL
SV *
p5_EVP_C_update(ctx, in)
EVP_CIPHER_CTX *ctx
datum in
PREINIT:
int i;
CODE:
RETVAL=newSVpv("",0);
SvGROW(RETVAL,in.dsize+EVP_CIPHER_CTX_block_size(ctx)+1);
EVP_CipherUpdate(ctx,SvPV_nolen(RETVAL),&i,in.dptr,in.dsize);
SvCUR_set(RETVAL,i);
OUTPUT:
RETVAL
SV *
p5_EVP_C_final(ctx)
EVP_CIPHER_CTX *ctx
PREINIT:
int i;
CODE:
RETVAL=newSVpv("",0);
SvGROW(RETVAL,EVP_CIPHER_CTX_block_size(ctx)+1);
if (!EVP_CipherFinal(ctx,SvPV_nolen(RETVAL),&i))
sv_setpv(RETVAL,"BAD DECODE");
else
SvCUR_set(RETVAL,i);
OUTPUT:
RETVAL
void
p5_EVP_C_DESTROY(ctx)
EVP_CIPHER_CTX *ctx
CODE:
free((char *)ctx);
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