49b8142262
Still doesn't work (the destructor on BIO and SSL is called immediately after creating the object. Why that??)
155 lines
2.9 KiB
Plaintext
155 lines
2.9 KiB
Plaintext
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#include "openssl.h"
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int boot_cipher()
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{
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SSLeay_add_all_ciphers();
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return(1);
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}
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MODULE = OpenSSL::Cipher PACKAGE = OpenSSL::Cipher PREFIX = p5_EVP_C_
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PROTOTYPES: ENABLE
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VERSIONCHECK: DISABLE
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void
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p5_EVP_C_new(...)
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PREINIT:
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EVP_CIPHER_CTX *ctx;
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const EVP_CIPHER *c;
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char *name;
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PPCODE:
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if ((items == 1) && SvPOK(ST(0)))
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name=SvPV(ST(0),na);
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else if ((items == 2) && SvPOK(ST(1)))
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name=SvPV(ST(1),na);
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else
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croak("Usage: OpenSSL::Cipher::new(type)");
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PUSHs(sv_newmortal());
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c=EVP_get_cipherbyname(name);
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if (c != NULL)
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{
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ctx=malloc(sizeof(EVP_CIPHER_CTX));
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EVP_EncryptInit(ctx,c,NULL,NULL);
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sv_setref_pv(ST(0), "OpenSSL::Cipher", (void*)ctx);
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}
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datum
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p5_EVP_C_name(ctx)
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EVP_CIPHER_CTX *ctx
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CODE:
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RETVAL.dptr=OBJ_nid2ln(EVP_CIPHER_CTX_nid(ctx));
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RETVAL.dsize=strlen(RETVAL.dptr);
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OUTPUT:
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RETVAL
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int
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p5_EVP_C_key_length(ctx)
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EVP_CIPHER_CTX *ctx
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CODE:
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RETVAL=EVP_CIPHER_CTX_key_length(ctx);
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OUTPUT:
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RETVAL
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int
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p5_EVP_C_iv_length(ctx)
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EVP_CIPHER_CTX *ctx
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CODE:
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RETVAL=EVP_CIPHER_CTX_iv_length(ctx);
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OUTPUT:
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RETVAL
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int
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p5_EVP_C_block_size(ctx)
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EVP_CIPHER_CTX *ctx
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CODE:
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RETVAL=EVP_CIPHER_CTX_block_size(ctx);
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OUTPUT:
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RETVAL
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void
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p5_EVP_C_init(ctx,key,iv,enc)
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EVP_CIPHER_CTX *ctx
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datum key
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datum iv
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int enc
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PREINIT:
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char loc_iv[EVP_MAX_IV_LENGTH];
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char loc_key[EVP_MAX_KEY_LENGTH];
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char *ip=loc_iv,*kp=loc_key;
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int i;
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memset(loc_iv,0,EVP_MAX_IV_LENGTH);
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memset(loc_key,0,EVP_MAX_KEY_LENGTH);
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CODE:
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i=key.dsize;
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if (key.dsize > EVP_CIPHER_CTX_key_length(ctx))
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i=EVP_CIPHER_CTX_key_length(ctx);
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if (i > 0)
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{
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memset(kp,0,EVP_MAX_KEY_LENGTH);
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memcpy(kp,key.dptr,i);
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}
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else
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kp=NULL;
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i=iv.dsize;
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if (iv.dsize > EVP_CIPHER_CTX_iv_length(ctx))
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i=EVP_CIPHER_CTX_iv_length(ctx);
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if (i > 0)
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{
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memcpy(ip,iv.dptr,i);
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memset(ip,0,EVP_MAX_IV_LENGTH);
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}
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else
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ip=NULL;
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EVP_CipherInit(ctx,EVP_CIPHER_CTX_cipher(ctx),kp,ip,enc);
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memset(loc_key,0,sizeof(loc_key));
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memset(loc_iv,0,sizeof(loc_iv));
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SV *
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p5_EVP_C_cipher(ctx,in)
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EVP_CIPHER_CTX *ctx;
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datum in;
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CODE:
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RETVAL=newSVpv("",0);
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SvGROW(RETVAL,in.dsize+EVP_CIPHER_CTX_block_size(ctx)+1);
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EVP_Cipher(ctx,SvPV(RETVAL,na),in.dptr,in.dsize);
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SvCUR_set(RETVAL,in.dsize);
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OUTPUT:
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RETVAL
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SV *
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p5_EVP_C_update(ctx, in)
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EVP_CIPHER_CTX *ctx
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datum in
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PREINIT:
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int i;
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CODE:
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RETVAL=newSVpv("",0);
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SvGROW(RETVAL,in.dsize+EVP_CIPHER_CTX_block_size(ctx)+1);
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EVP_CipherUpdate(ctx,SvPV(RETVAL,na),&i,in.dptr,in.dsize);
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SvCUR_set(RETVAL,i);
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OUTPUT:
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RETVAL
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SV *
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p5_EVP_C_final(ctx)
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EVP_CIPHER_CTX *ctx
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PREINIT:
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int i;
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CODE:
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RETVAL=newSVpv("",0);
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SvGROW(RETVAL,EVP_CIPHER_CTX_block_size(ctx)+1);
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if (!EVP_CipherFinal(ctx,SvPV(RETVAL,na),&i))
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sv_setpv(RETVAL,"BAD DECODE");
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else
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SvCUR_set(RETVAL,i);
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OUTPUT:
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RETVAL
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void
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p5_EVP_C_DESTROY(ctx)
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EVP_CIPHER_CTX *ctx
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CODE:
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free((char *)ctx);
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