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The STSAFE-A100 is a highly secure solution that acts as a secure element providing authentication and data management services to a local or remote host. It consists of a full turnkey solution with a secure operating system running on the latest generation of secure microcontrollers.
The STSAFE-A100 can be integrated in IoT (Internet of things) devices, smart-home, smart-city and industrial applications, consumer electronics devices, consumables and accessories.
Key Features
- Authentication (of peripherals, IoT and USB Type-C devices)
- Secure channel establishment with remote host including transport layer security (TLS) handshake
- Signature verification service (secure boot and firmware upgrade)
- Usage monitoring with secure counters
- Pairing and secure channel with host application processor
- Wrapping and unwrapping of local or remote host envelopes
- On-chip key pair generation
- Security features
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Latest generation of highly secure MCUs
- CC EAL5+ AVA_VAN5 Common Criteria certified
- Active shield
- Monitoring of environmental parameters
- Protection mechanism against faults
- Unique serial number on each die
- Protection against side-channel attacks
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Advanced asymmetric cryptography
- Elliptic curve cryptography (ECC) with NIST or Brainpool 256-bit and 384-bit curves
- Elliptic curve digital signature algorithm (ECDSA) with SHA-256 and SHA-384 for digital signature generation and verification
- Elliptic curve Diffie-Hellman (ECDH) for key establishment
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Advanced symmetric cryptography
- Key wrapping and unwrapping using AES-128/AES-256
- Secure channel protocols using AES-128
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Secure operating system
- Secure STSAFE-A100 kernel for authentication and data management
- Protection against logical and physical attacks
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Latest generation of highly secure MCUs
- Hardware features
- Highly secure MCU platform
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6 Kbytes of configurable non-volatile memory
- Highly reliable CMOS EEPROM technology
- 30 years’ data retention at 25 °C
- 500 000 erase / program cycles endurance at 25 °C
- 1.62 V to 5.5 V continuous supply voltage
- Operating temperature: −40 to 105 °C
- Protocol
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I²C-bus slave interface
- Up to 400 kbps transmission speed (Fast mode) and true open-drain pads
- 7-bit addressing
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I²C-bus slave interface
- Packages
- ECOPACK®-compliant SO8N 8-lead plastic small outline and UFDFPN 8-lead ultra thin profile fine pitch dual flat packages
Sample & Buy
| Part Number | Marketing Status | Quantity | Budgetary Price (US$)* | Package | Packing Type | ECCN (EU) | Country of Origin | Order from Distributors | Order from ST |
|---|---|---|---|---|---|---|---|---|---|
| STSAFE-A100 |
Active
|
- | - | DICE | Not Applicable | NEC | - | No availability of distributors reported, please contact our sales office | |
| STSAFE-A100SO8 |
Active
|
- | - | SO-8 | Tape And Reel | NEC | - | No availability of distributors reported, please contact our sales office | |
| STSAFE-A100DFN |
Active
|
- | - | UFDFPN 8 2x3x0.6 | Tape And Reel | NEC | - | No availability of distributors reported, please contact our sales office |
STSAFE-A100
Marketing Status
ActiveQuantity
-Unit Price (US$)
*STSAFE-A100SO8
Marketing Status
ActiveQuantity
-Unit Price (US$)
*STSAFE-A100DFN
Marketing Status
ActiveQuantity
-Unit Price (US$)
*(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors
Featured Videos
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Embedded Software
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Picture Part number Manufacturer Description 
X-CUBE-SBSFU ST Secure boot & secure firmware update software expansion for STM32Cube wolfCrypt wolfSSL wolfCrypt is open source, commercial grade, FIPS-validated embedded security software. wolfSSL wolfSSL wolfSSL is open source, commercial grade, embedded security software. Part NumberSecure boot & secure firmware update software expansion for STM32Cube
wolfCrypt is open source, commercial grade, FIPS-validated embedded security software.
wolfSSL is open source, commercial grade, embedded security software.
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Picture Part number Manufacturer Description STSW-STSA100 ST STSAFE-A100 software package Part NumberSTSAFE-A100 software package
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Evaluation Tools
| Part Number | Marketing Status | Package | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|
| STSAFE-A100 |
Active
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DICE | N/A |
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| STSAFE-A100DFN |
Active
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UFDFPN 8 2x3x0.6 | N/A |
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| STSAFE-A100SO8 |
Active
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SO-8 | N/A |
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STSAFE-A100
Package:
DICEMaterial Declaration**:
STSAFE-A100DFN
Package:
UFDFPN 8 2x3x0.6Material Declaration**:
STSAFE-A100SO8
Package:
SO-8Material Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
