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crypto.c
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crypto.c
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/* CRYPTO.C (c) Copyright Jan Jaeger, 2000-2010 */
/* Cryptographic instructions */
#include "hstdinc.h"
#define _CRYPTO_C_
#define _HENGINE_DLL_
#include "hercules.h"
#if defined(FEATURE_MESSAGE_SECURITY_ASSIST)
#include "opcode.h"
#define CRYPTO_EXTERN
#include "crypto.h"
/*----------------------------------------------------------------------------*/
/* B93E KIMD - Compute Intermediate Message Digest [RRE] */
/*----------------------------------------------------------------------------*/
DEF_INST(compute_intermediate_message_digest_r)
{
if( ARCH_DEP(compute_intermediate_message_digest) )
ARCH_DEP(compute_intermediate_message_digest) (inst, regs);
else
{
int r1, r2; /* register values */
RRE(inst, regs, r1, r2);
ARCH_DEP(program_interrupt) (regs, PGM_OPERATION_EXCEPTION);
}
}
/*----------------------------------------------------------------------------*/
/* B93F KLMD - Compute Last Message Digest [RRE] */
/*----------------------------------------------------------------------------*/
DEF_INST(compute_last_message_digest_r)
{
if( ARCH_DEP(compute_last_message_digest) )
ARCH_DEP(compute_last_message_digest) (inst, regs);
else
{
int r1, r2; /* register values */
RRE(inst, regs, r1, r2);
ARCH_DEP(program_interrupt) (regs, PGM_OPERATION_EXCEPTION);
}
}
/*----------------------------------------------------------------------------*/
/* B92E KM - Cipher Message [RRE] */
/*----------------------------------------------------------------------------*/
DEF_INST(cipher_message_r)
{
if( ARCH_DEP(cipher_message) )
ARCH_DEP(cipher_message) (inst, regs);
else
{
int r1, r2; /* register values */
RRE(inst, regs, r1, r2);
ARCH_DEP(program_interrupt) (regs, PGM_OPERATION_EXCEPTION);
}
}
/*----------------------------------------------------------------------------*/
/* B91E KMAC - Compute Message Authentication Code [RRE] */
/*----------------------------------------------------------------------------*/
DEF_INST(compute_message_authentication_code_r)
{
if( ARCH_DEP(compute_message_authentication_code) )
ARCH_DEP(compute_message_authentication_code) (inst, regs);
else
{
int r1, r2; /* register values */
RRE(inst, regs, r1, r2);
ARCH_DEP(program_interrupt) (regs, PGM_OPERATION_EXCEPTION);
}
}
/*----------------------------------------------------------------------------*/
/* B92F KMC - Cipher Message with Chaining [RRE] */
/*----------------------------------------------------------------------------*/
DEF_INST(cipher_message_with_chaining_r)
{
if( ARCH_DEP(cipher_message_with_chaining) )
ARCH_DEP(cipher_message_with_chaining) (inst, regs);
else
{
int r1, r2; /* register values */
RRE(inst, regs, r1, r2);
ARCH_DEP(program_interrupt) (regs, PGM_OPERATION_EXCEPTION);
}
}
#endif /*defined(FEATURE_MESSAGE_SECURITY_ASSIST)*/
#ifdef FEATURE_MESSAGE_SECURITY_ASSIST_EXTENSION_4
/*----------------------------------------------------------------------------*/
/* B92D KMCTR - Cipher message with counter [RRF] */
/*----------------------------------------------------------------------------*/
DEF_INST(cipher_message_with_counter_r)
{
if( ARCH_DEP(cipher_message_with_counter) )
ARCH_DEP(cipher_message_with_counter) (inst, regs);
else
{
int r1, r2, r3; /* register values */
RRF_M(inst, regs, r1, r2, r3);
ARCH_DEP(program_interrupt) (regs, PGM_OPERATION_EXCEPTION);
}
}
/*----------------------------------------------------------------------------*/
/* B92A KMF - Cipher message with cipher feedback [RRE] */
/*----------------------------------------------------------------------------*/
DEF_INST(cipher_message_with_cipher_feedback_r)
{
if( ARCH_DEP(cipher_message_with_cipher_feedback) )
ARCH_DEP(cipher_message_with_cipher_feedback) (inst, regs);
else
{
int r1, r2; /* register values */
RRE(inst, regs, r1, r2);
ARCH_DEP(program_interrupt) (regs, PGM_OPERATION_EXCEPTION);
}
}
/*----------------------------------------------------------------------------*/
/* B92B KMO - Cipher message with output feedback [RRE] */
/*----------------------------------------------------------------------------*/
DEF_INST(cipher_message_with_output_feedback_r)
{
if( ARCH_DEP(cipher_message_with_output_feedback) )
ARCH_DEP(cipher_message_with_output_feedback) (inst, regs);
else
{
int r1, r2; /* register values */
RRE(inst, regs, r1, r2);
ARCH_DEP(program_interrupt) (regs, PGM_OPERATION_EXCEPTION);
}
}
/*----------------------------------------------------------------------------*/
/* B92C PCC - Perform cryptographic computation [RRE] */
/*----------------------------------------------------------------------------*/
DEF_INST(perform_cryptographic_computation_r)
{
if( ARCH_DEP(perform_cryptographic_computation) )
ARCH_DEP(perform_cryptographic_computation) (inst, regs);
else
{
int r1, r2; /* register values */
RRE(inst, regs, r1, r2);
ARCH_DEP(program_interrupt) (regs, PGM_OPERATION_EXCEPTION);
}
}
#endif /* FEATURE_MESSAGE_SECURITY_ASSIST_EXTENSION_4 */
#ifdef FEATURE_MESSAGE_SECURITY_ASSIST_EXTENSION_3
/*----------------------------------------------------------------------------*/
/* B928 PCKMO - Perform cryptographic key management operation [RRE] */
/*----------------------------------------------------------------------------*/
DEF_INST(perform_cryptographic_key_management_operation_r)
{
if( ARCH_DEP(perform_cryptographic_key_management_operation) )
ARCH_DEP(perform_cryptographic_key_management_operation) (inst, regs);
else
{
int r1, r2; /* register values */
RRE(inst, regs, r1, r2);
ARCH_DEP(program_interrupt) (regs, PGM_OPERATION_EXCEPTION);
}
}
#ifndef __WK__
#define __WK__
/*----------------------------------------------------------------------------*/
/* Function: renew_wrapping_keys */
/* */
/* Each time a clear reset is performed, a new set of wrapping keys and their */
/* associated verification patterns are generated. The contents of the two */
/* wrapping-key registers are kept internal to the model so that no program, */
/* including the operating system, can directly observe their clear value. */
/*----------------------------------------------------------------------------*/
void renew_wrapping_keys(void)
{
int i;
BYTE lparname[8];
U64 cpuid;
BYTE byte;
obtain_lock(&sysblk.wklock);
for(i = 0; i < 0x100; i++)
srandom(random() * host_tod()); /* Randomize related to time */
for(i = 0; i < 32; i++)
sysblk.wkaes_reg[i] = random();
for(i = 0; i < 24; i++)
sysblk.wkdea_reg[i] = random();
/* We set the verification pattern to */
/* cpuid (8 bytes) */
/* lpar name (8 bytes) */
/* lparnum (1 byte) */
/* random number 8 bytes at the end) */
memset(sysblk.wkvpaes_reg, 0, 32);
memset(sysblk.wkvpdea_reg, 0, 24);
cpuid = sysblk.cpuid;
for(i = 0; i < 8; i++)
{
sysblk.wkvpaes_reg[7 - i] = cpuid;
sysblk.wkvpdea_reg[7 - i] = cpuid;
cpuid >>= 8;
}
get_lparname(lparname);
memcpy(&sysblk.wkvpaes_reg[8], lparname, 8);
memcpy(&sysblk.wkvpdea_reg[8], lparname, 8);
sysblk.wkvpaes_reg[16] = sysblk.lparnum;
sysblk.wkvpdea_reg[16] = sysblk.lparnum;
for(i = 0; i < 8; i++)
{
byte = random();
sysblk.wkvpaes_reg[31 - i] = byte;
sysblk.wkvpdea_reg[23 - i] = byte;
}
release_lock(&sysblk.wklock);
#if 0
logmsg("AES wrapping key: ");
for(i = 0; i < 32; i++)
logmsg("%02X", sysblk.wkaes_reg[i]);
logmsg("\nAES wrapping key verification pattern: ");
for(i = 0; i < 32; i++)
logmsg("%02X", sysblk.wkvpaes_reg[i]);
logmsg("\nDEA wrapping key: ");
for(i = 0; i < 24; i++)
logmsg("%02X", sysblk.wkdea_reg[i]);
logmsg("\nDEA wrapping key verification pattern: ");
for(i = 0; i < 24; i++)
logmsg("%02X", sysblk.wkvpdea_reg[i]);
logmsg("\n");
#endif
}
#endif
#endif /* FEATURE_MESSAGE_SECURITY_ASSIST_EXTENSION_3 */
#if !defined(_GEN_ARCH)
#if defined(_ARCHMODE2)
#define _GEN_ARCH _ARCHMODE2
#include "crypto.c"
#endif
#if defined(_ARCHMODE3)
#undef _GEN_ARCH
#define _GEN_ARCH _ARCHMODE3
#include "crypto.c"
#endif
#endif /*!defined(_GEN_ARCH)*/