Security Processor for Secure Memory Systems

Product Specifications

Technical details and manufacturing context for Security Processor

Definition

A security processor is a dedicated hardware component integrated into secure memory modules. It performs encryption, decryption, authentication, and key management functions to protect data at rest and in transit. Serving as the cryptographic engine, it ensures data confidentiality, integrity, and access control within secure memory architectures. The processor receives data from the secure memory controller, applies cryptographic algorithms such as AES, RSA, or SHA using embedded keys, and returns processed data. It typically includes hardware acceleration for cryptographic operations, secure key storage, and tamper detection mechanisms to prevent physical attacks. This component is essential in applications requiring high assurance data protection, such as financial systems, government communications, and enterprise storage. The security processor is available in various configurations, with core clock frequencies ranging from 200 to 800 MHz, cryptographic throughput from 1 to 10 Gbps for AES-256, and power consumption from 0.5 to 5 W. Supply voltage ranges from 1.8 to 3.3 V, operating temperature from -40 to 85 °C, and storage temperature from -55 to 125 °C. Package sizes vary from 7×7 mm to 17×17 mm, with I/O counts from 48 to 256 pins. It may be certified to Common Criteria EAL5+ (ISO/IEC 15408) and includes a true random number generator (TRNG) compliant with AIS-31. Side-channel resistance includes differential power analysis (DPA) countermeasures, and active fault injection protection detects and responds to glitch attacks. These specifications are reference ranges and must be verified for the specific model and application. Always confirm model-specific values and standards with the legal manufacturer or supplier.

Working Principle

The security processor operates by receiving data from the secure memory controller, applying cryptographic algorithms (such as AES, RSA, or SHA) using embedded cryptographic keys, and returning processed data. It includes hardware acceleration for cryptographic operations, secure key storage, and tamper detection mechanisms to prevent physical attacks. The processor manages key lifecycle, including generation, storage, and usage, and provides side-channel resistance to mitigate power analysis and fault injection attacks. It interfaces with the memory controller via standard buses and may include dedicated I/O for secure communication. The processor's operation is controlled by firmware that handles command parsing, key management, and algorithm execution. It also monitors environmental conditions and triggers alarms or self-destruction if tampering is detected. The working principle ensures that data remains protected throughout the processing cycle, from ingestion to output, and that cryptographic keys are never exposed to untrusted components.

Common Materials

Silicon

Technical Parameters

Parameter	Typical range	Notes & selection driver
Core Clock Frequency	200–800 MHz	Higher frequency improves cryptographic throughput.
Crypto Throughput	1–10 Gbps	AES-256 performance for bulk encryption.
Power Consumption	0.5–5 W	Depends on clock and active crypto engines.
Supply Voltage	1.8–3.3 V	Core and I/O domains.
Operating Temperature	-40–85 °C	Industrial grade.
Storage Temperature	-55–125 °C	Non-operating.
Package Size	7×7–17×17 mm	QFN or BGA footprint.
I/O Count	48–256 pins	Depends on package and interfaces.
Security Certification	CC EAL5+	Common Criteria evaluation assurance level.ISO/IEC 15408
Random Number Generator	TRNG	True random number generator for key generation.AIS-31
Side-Channel Resistance	DPA	Differential power analysis countermeasures.
Fault Injection Protection	Active	Detects and responds to glitch attacks.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Cryptographic Engine
Performs symmetric and asymmetric cryptographic operations

Material: Silicon
Key Storage
Secure storage for cryptographic keys with tamper protection

Material: Silicon with specialized memory cells
Random Number Generator
Generates cryptographically secure random numbers for key generation

Material: Silicon
Tamper Detection
Spots physical attack attempts and triggers the response before keys can be read out.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Secure Memory

View system integration details

Manufacturers of Security Processor

Manufacturer profiles associated with Security Processor.

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Frequently Asked Questions

What is the primary function of a security processor?

The primary function is to handle cryptographic operations such as encryption, decryption, authentication, and key management within secure memory systems, ensuring data confidentiality, integrity, and access control.

What are the typical performance parameters?

Typical parameters include core clock frequency from 200 to 800 MHz, cryptographic throughput from 1 to 10 Gbps for AES-256, power consumption from 0.5 to 5 W, supply voltage from 1.8 to 3.3 V, and operating temperature from -40 to 85 °C. These are reference ranges and must be confirmed for the specific model.

What security certifications might it have?

It may be certified to Common Criteria EAL5+ (ISO/IEC 15408) and include a true random number generator (TRNG) compliant with AIS-31. However, certification status must be verified with the manufacturer for the specific product.

How does it protect against physical attacks?

It includes tamper detection mechanisms, side-channel resistance (e.g., DPA countermeasures), and active fault injection protection to detect and respond to glitch attacks, thereby preventing physical attacks.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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voltage:	0.8V to 1.2V core, 1.8V to 3.3V I/O
temperature:	-40°C to 125°C (operating), -55°C to 150°C (storage)
clock frequency:	Up to 2.5 GHz
power consumption:	1W to 15W typical
package temperature:	Junction temperature up to 105°C

Security Processor

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards